Abstract:
An active side panel assembly having at least one deployable panel( 22 ) and at least one actuator ( 30 ). The deployable panel deploys and retracts based on vehicle requirements and provides valuable reduction in vehicle drag, thereby reducing emissions and improving fuel economy. Additionally, it allows for the system to retract so the vehicle can still meet ground clearances, ramp angles, off-road requirements, etc. The active side panel provides a fully deployable system with object detection, declutching of the actuator to help prevent damage, and communication with the vehicle to determine proper deployment and function.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application is a PCT International Application and claims benefit of U.S. Provisional Patent Application No. 61/968,482 filed Mar. 21, 2015. The disclosure of the above application is incorporated herein by reference. 
     
    
     FIELD OF THE INVENTION 
       [0002]    The present invention relates to an active side panel assembly integrated into a side panel for automotive applications. 
       BACKGROUND OF THE INVENTION 
       [0003]    There has been increasing desire to manufacture vehicles that meet or exceed environmental improvement requirements. However, there is a considerable loss of aerodynamic efficiency in vehicles, in particular, vehicles with higher ground clearances such as pickup trucks, sport utility vehicles, and other vehicles, due to the airflow into the underside of the vehicle. 
         [0004]    Therefore, having parts with improved aerodynamics has become a well-received option typically effective toward helping to advance standards such as mileage requirements. There are also several other factors that must be considered including aerodynamic load, part weight, cost, ground clearance, complexity and durability. 
         [0005]    Typical systems, such as fixed panels, or motorized deployable panels, do not meet requirements. Known systems do not have a proper sealed and clutchable actuator with communication capability and life cycle durability, capability for object detection, and are not durable and aerodynamically effective. Typical systems also do not have the ability to detect objects in the event there is an object or ground surface in the way during deployment or object/ground contact while deployed. 
         [0006]    Accordingly, there remains a need in the art to provide an automatically deployable structure under predetermined conditions that provides improved aerodynamics. 
       SUMMARY OF THE INVENTION 
       [0007]    The present invention is directed to an active side panel assembly having at least one deployable panel that moves between at least a stowed position and a deployed position driven by at least one actuator, such as a sealed, clutchable actuator that has communication capability with the vehicle. The deployable panel improves aerodynamics and is part of a rocker panel system/module and/or side vehicle panel/framing. The assembly does not require manual deployment and is only utilized when necessary; at predetermined vehicle speeds under predetermined conditions with no ground surface or object interference. 
         [0008]    When the deployable panel is in an extended or deployed position, the deployable panel improves airflow under predetermined conditions, e.g., vehicle speeds in the range of at least 30 miles per hour. When the deployable panel is in a retracted or stowed position, the deployable panel generally folds or otherwise moves out of the way under the vehicle to improve vehicle ground clearance and prevent damage due to ground/terrain/objects in the way during deployment or coming in contact. The active side panel assembly provides a fully deployable system with object detection, declutching to help prevent damage, e.g., to protect the deployable panel under higher predetermined loads, is under the vehicle when stowed for ground clearance and usability, has communication with the vehicle to determine proper deployment and function, and is suitable to meet automotive specifications and functionality. 
         [0009]    Utilization of the side panel system that deploys and retracts based on vehicle requirements provides valuable reduction in vehicle drag, thereby reducing emissions and improving fuel economy. Additionally, it allows for the system to retract up adjacent the rocker system/module/frame so the vehicle can still meet ground clearance requirements and reduce or eliminate potential for damage due to contact with objects or the driven ground surface. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0010]    The present invention will become more fully understood from the detailed description and the accompanying drawings, wherein: 
           [0011]      FIG. 1  is a perspective view of a vehicle with a deployable side panel assembly in a stowed position. 
           [0012]      FIG. 2  is a perspective view of the vehicle with the deployable side panel assembly shown in a deployed position, in accordance with the present invention; 
           [0013]      FIG. 3A  is a broken-away side view schematic of a deployable side panel assembly in an environment of use illustrating a deployable panel rotating between a stowed position and a deployed position, in accordance with the present invention; 
           [0014]      FIG. 3B  is a broken-away perspective view of the deployable panel of  FIG. 3A  in the stowed position; 
           [0015]      FIG. 3C  is a broken-away perspective view of the deployable panel of  FIGS. 3A-3B  in the deployed position; 
           [0016]      FIG. 4A  is a broken-away side view schematic of a deployable side panel assembly illustrating a deployable panel rotating between a stowed position and a deployed position, in accordance with a second embodiment of the present invention; 
           [0017]      FIG. 4B  is a broken-away perspective view of the deployable panel of  FIG. 4A  in the stowed position; 
           [0018]      FIG. 4C  is a broken-away perspective view of the deployable panel of  FIGS. 4A-4B  in the deployed position; 
           [0019]      FIG. 5A  is a broken-away side view schematic of a deployable side panel assembly illustrating a deployable panel rotating between a stowed position and a deployed position, in accordance with a third embodiment of the present invention; 
           [0020]      FIG. 5B  is a broken-away perspective view of the deployable panel of  FIG. 5A  in the stowed position; 
           [0021]      FIG. 5C  is a broken-away perspective view of the deployable panel of  FIGS. 5A-5B  in the deployed position; 
           [0022]      FIG. 6A  is a broken-away side view schematic of a deployable side panel assembly including an integrated slide out deployable panel shown between a stowed position and a deployed position, in accordance with a fourth embodiment of the present invention; 
           [0023]      FIG. 6B  is a broken-away perspective view of the deployable panel of  FIG. 6A  in the stowed position; 
           [0024]      FIG. 6C  is a broken-away perspective view of the deployable panel of  FIGS. 6A-6B  in the deployed position; 
           [0025]      FIG. 7A  is a broken-away side view schematic of a deployable side panel assembly including a slidable deployable panel shown between a stowed position and a deployed position, in accordance with a fifth embodiment of the present invention; 
           [0026]      FIG. 7B  is a broken-away perspective view of the deployable panel of  FIG. 7A  in the stowed position; 
           [0027]      FIG. 7C  is a broken-away perspective view of the deployable panel of  FIGS. 7A-7B  in the deployed position; 
           [0028]      FIG. 8A  is a broken-away side view schematic of a deployable side panel assembly including a hinged deployable panel shown between a stowed position and a deployed position, in accordance with a sixth embodiment of the present invention; 
           [0029]      FIG. 8B  is a broken-away perspective view of the deployable panel of  FIG. 8A  in the stowed position; 
           [0030]      FIG. 8C  is a broken-away perspective view of the deployable panel of  FIGS. 8A-8B  in the deployed position;  FIG. 9A  is a broken-away side view schematic of a deployable side panel assembly including a hinged deployable panel shown between a stowed position and a deployed position, in accordance with a seventh embodiment of the present invention; 
           [0031]      FIG. 9B  is a broken-away perspective view of the deployable panel of  FIG. 9A  in the stowed position;  FIG. 9C  is a broken-away perspective view of the deployable panel of  FIGS. 9A-9B  in the deployed position; 
           [0032]      FIG. 10A  is a broken-away side view schematic of a deployable side panel assembly including a hinged deployable panel shown between a stowed position and a deployed position, in accordance with a eighth embodiment of the present invention; 
           [0033]      FIG. 10B  is a broken-away perspective view of the deployable panel of  FIG. 10A  in the stowed position; 
           [0034]      FIG. 10C  is a broken-away perspective view of the deployable panel of  FIGS. 10A-10B  in the deployed position; 
           [0035]      FIG. 11A  is a broken-away side view schematic of a deployable side panel assembly including a deployable panel with a flexible hinge shown between a stowed position and a deployed position, in accordance with a ninth embodiment of the present invention; 
           [0036]      FIG. 11B  is a broken-away perspective view of the deployable panel of  FIG. 11A  in the stowed position; 
           [0037]      FIG. 11C  is a broken-away perspective view of the deployable panel of  FIGS. 11A-11B  in the deployed position; 
           [0038]      FIG. 12A  is a broken-away side view schematic of a deployable side panel assembly including a scissor hinge panel shown between a stowed position and a deployed position, in accordance with a tenth embodiment of the present invention; 
           [0039]      FIG. 12B  is a broken-away perspective view of the deployable scissor hinge panel of  FIG. 12A  in the stowed position; 
           [0040]      FIG. 12C  is a broken-away perspective view of the deployable scissor hinge panel of  FIGS. 12A-12B  in the deployed position; 
           [0041]      FIG. 13A  is a broken-away side view schematic of a deployable side panel assembly including a deployable panel of stretchable material shown between a stowed position and a deployed position, in accordance with an eleventh embodiment of the present invention; 
           [0042]      FIG. 13B  is a broken-away perspective view of the deployable panel of  FIG. 13A  in the stowed position; 
           [0043]      FIG. 13C  is a broken-away perspective view of the deployable panel of  FIGS. 13A-13B  in the deployed position; 
           [0044]      FIG. 14A  is a broken-away side view schematic of a deployable side panel assembly including a deployable panel of soft material shown between a stowed position and a deployed position, in accordance with an twelfth embodiment of the present invention; 
           [0045]      FIG. 14B  is a broken-away perspective view of the deployable panel of  FIG. 14A  in the stowed position; 
           [0046]      FIG. 14C  is a broken-away perspective view of the deployable panel of  FIGS. 14A-14B  in the deployed position; 
           [0047]      FIG. 15A  is a broken-away side view schematic of a deployable side panel assembly including a rollable panel shown between a stowed position and a deployed position, in accordance with a thirteenth embodiment of the present invention; 
           [0048]      FIG. 15B  is a broken-away perspective view of the deployable panel of  FIG. 15A  in the stowed position; 
           [0049]      FIG. 15C  is a broken-away perspective view of the deployable panel of  FIGS. 15A-15B  in the deployed position; 
           [0050]      FIG. 16A  is a broken-away side view schematic of a deployable side panel assembly including a housing and a deployable panel, the panel shown between a stowed position and a deployed position, in accordance with a fourteenth embodiment of the present invention; 
           [0051]      FIG. 16B  is a broken-away perspective view of the deployable panel of  FIG. 16A  in the stowed position; 
           [0052]      FIG. 16C  is a broken-away perspective view of the deployable panel of  FIGS. 16A-16B  in the deployed position; 
           [0053]      FIG. 17A  is a broken-away side view schematic of a deployable side panel assembly including pivotal linkages connected to a deployable panel, the panel shown between a stowed position and a deployed position, in accordance with a fifteenth embodiment of the present invention; 
           [0054]      FIG. 17B  is a broken-away perspective view of the deployable panel of  FIG. 17A  in the stowed position; 
           [0055]      FIG. 17C  is a broken-away perspective view of the deployable panel of  FIGS. 17A-17B  in the deployed position; 
           [0056]      FIG. 18A  is a broken-away side view schematic of a deployable side panel assembly including rotatable bracket members connected to a deployable panel, the panel shown between a stowed position and a deployed position, in accordance with a sixteenth embodiment of the present invention; 
           [0057]      FIG. 18B  is a broken-away perspective view of the deployable panel of  FIG. 18A  in the stowed position; 
           [0058]      FIG. 18C  is a broken-away perspective view of the deployable panel of  FIGS. 18A-18B  in the deployed position; 
           [0059]      FIG. 19A  is a broken-away side view schematic of a deployable side panel assembly including a deployable panel including an integrated slide out panel, the panel shown between a stowed position and a deployed position, in accordance with a seventeenth embodiment of the present invention; 
           [0060]      FIG. 19B  is a broken-away perspective view of the deployable panel of  FIG. 19A  in the stowed position; 
           [0061]      FIG. 19C  is a broken-away perspective view of the deployable panel of  FIGS. 19A-19B  in the deployed position; 
           [0062]      FIG. 20A  is a broken-away side view schematic of a deployable side panel assembly including a screw threaded member and a deployable panel, the panel shown between a stowed position and a deployed position, in accordance with an eighteenth embodiment of the present invention; 
           [0063]      FIG. 20B  is a broken-away perspective view of the deployable panel of  FIG. 20A  in the stowed position; 
           [0064]      FIG. 20C  is a broken-away perspective view of the deployable panel of  FIGS. 20A-20B  in the deployed position; 
           [0065]      FIG. 21A  is a broken-away side view schematic of a deployable side panel assembly with a deployable panel shown in a deployed position, in accordance with a nineteenth embodiment of the present invention; 
           [0066]      FIG. 21B  is a broken-away perspective view of the deployable panel of  FIG. 21A  in the stowed position; 
           [0067]      FIG. 21C  is a broken-away perspective view of the deployable panel of  FIGS. 21A-21B  in the deployed position; 
           [0068]      FIG. 22A  is a broken-away side view schematic of a deployable side panel assembly a deployable hinged sail panel shown in a deployed position, in accordance with a twentieth embodiment of the present invention; 
           [0069]      FIG. 22B  is a broken-away perspective view of the hinged sail panel of  FIG. 22A  in the stowed position; 
           [0070]      FIG. 22C  is a broken-away perspective view of the hinged sail panel of  FIGS. 22A-22B  in the deployed position; 
           [0071]      FIG. 23A  is a broken-away side view schematic of a deployable side panel assembly with a deployable panel shown in a deployed position, in accordance with a twenty first embodiment of the present invention; 
           [0072]      FIG. 23B  is a broken-away perspective view of the deployable panel of  FIG. 23A  in the stowed position; 
           [0073]      FIG. 23C  is a broken-away perspective view of the deployable panel of  FIGS. 23A-23B  in the deployed position; 
           [0074]      FIG. 24  is an exploded view of an exemplary actuator with internal clutching for deploying/stowing the active side panel assembly, in accordance with the present invention; and 
           [0075]      FIG. 25  is a perspective view of the actuator of  FIG. 24  without the housing for clarity. 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
       [0076]    The following description of the preferred embodiment(s) is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. 
         [0077]    Referring to  FIGS. 1-3C  generally, in accordance with the present invention, there is provided an active side panel assembly generally shown at  10  for a vehicle  12 . The active side panel assembly  10  is movable between a stowed position and a deployed position, and the assembly  10  is operably supported and connected to a rocker panel assembly  14  portion of the vehicle  12  such that the assembly  10  is able to deploy and retract automatically under predetermined conditions. 
         [0078]    Generally, the rocker panel assembly  14  includes at least one outer rocker panel  16  and inner rocker panel  18  with an inner reinforcement panel  20  therebetween. The rocker panel  14  is located along the lower side of the vehicle  12  between wheel wells and/or between the front wheel well and front of cargo bed. The assembly  10  is operably connected to vehicle framing and/or the rocker panel assembly  14  of the vehicle  12  using a nut and bolt combination, however, it is within the scope of the invention that other fasteners, such as rivets, or in combination with a plurality of attachment brackets may be used as well. 
         [0079]    The active side panel assembly  10  includes at least one deployable panel  22  rotatably connected to the vehicle  12 . Typically, the panel  22  is moveable between at least a deployed position and a stowed position. However, depending on the application the deployable panel  22  is slidable, extendable, articulatable, stackable, pivotable, rollable, elevatable, inflatable, foldable, collapsible, stretchable, translatable, combinations thereof or otherwise connected and deployable in the side panel  20  area depending on the application. 
         [0080]    A pair of hinges  24  are connected toward a lower edge  26  of the rocker panel assembly  14 , e.g., inner rocker panel  18 , to the first end  28  of the deployable panel  22 . 
         [0081]    The panel  22  is adapted for attachment to the pair of hinges  24  which can be any hinge arrangement suitable for predetermined cycling and durability requirements. Typically, the lower edge  26  region has a ‘U’ shaped cross-section, cutout or notch and each hinge is fastened in the region, e.g., directly or by way of a fastener or pin going through diverging side walls of the cutout. However, depending on the application hinges are bolted, screwed, welded, riveted, secured with adhesive and/or epoxy, combinations thereof or otherwise connected to the panel  22  and rocker panel assembly  14  and/or other framing or chassis member(s) depending on the application. Alternatively, molded-in panel features which are used to attach to opposing vehicle features and/or in combination with at least one fastener for each hinge or the like may be used to pivotally secure the panel  22  to the vehicle  12  and allow deployment of the panel  22 . 
         [0082]    The first end  28  of the deployable panel  22  has a predetermined length and is angled suitably for providing clearance with the rocker panel assembly  14  and cycling the integrally formed distal end portion  36  of the deployable panel  22  from the deployed, e.g., generally vertical, to stowed, e.g., generally horizontal, positions. 
         [0083]    At least one actuator  30  is connected to a respective drive shaft  32  operably coupled to the deployable panel  22 . Generally, the actuator  30  is sealed within the rocker panel assembly  14  or other vehicle structure to afford further protection from impact and/or the environment. Typically, the actuator  30  is embedded within the rocker panel assembly  14  or other vehicle structure to rotate the panel  22  up/down. Preferably, the actuator  30  and drive shaft  32  are enclosed within the rocker panel assembly  14  between the outer panel  16  and inner panel  18 , generally centrally located toward the lower end of the rocker panel assembly  14  (See  FIG. 2  indicated in phantom). Preferably, one actuator  30  and a single driving rotating shaft is used and rotates the panel  22  up/down. Optionally, access panels may be provided for servicing and maintenance of the actuating arrangement. 
         [0084]    The actuator  30  rotates the drive shaft  32  to drive the panel  22  downward and forward during deployment of the panel  22  to the deployed position (see  FIGS. 2, 3C ). When the active side panel assembly  10  is in the extended/down or deployed position, the deployable panel  22  improves airflow. 
         [0085]    The actuator  30  also rotates the drive shaft  32  in the opposite direction to move the panel  22  upward and rearward out of the way to the stowed position (see  FIGS. 1, 3B, 3A ), e.g., generally horizontal. When the active side panel assembly  10  is in the retracted/up or stowed position, the deployable panel  22  is folded up under the vehicle. 
         [0086]    When the active side panel assembly  10  is the stowed position, the deployable panel  22  generally moves or folds out of the way under the vehicle to increase ground clearance. Optionally, the first extending panels can retract and extend in and out of a hollow portion of the respective frame, more preferably, retract and extend from an open area or gap between underbody components under the vehicle. Optionally, an additional panel or other existing structural member can be provided under the vehicle  12  with a depression or the like having a predetermined depth formed therein and sized to receive at least part of the panel  22  within the depression when in the stowed position to further help prevent contact with the stowed panel  22  by objects and ground surface. 
         [0087]    The actuator  30  is a rotary actuator, e.g., with feedback options, hex-type, screw-type drive, higher speed actuator, electric, mechanical, linear, e.g., with current override circuits, declutching, hydraulic, pneumatic, extending, power lift actuator, or any other actuators and combinations thereof depending on the application and predetermined vehicle needs. 
         [0088]    In a preferred embodiment, the actuator  30  has internal clutching that reacts to certain conditions by de-clutching or disengaging gears allowing the deployable panel  22  to stop deployment to help prevent damage to the active deployable panel  22 . Upon impact to the deployable panel  22 , e.g., by a ground surface or object on the ground, the actuator  30  will clutch to disengage the gearing so that the deployable panel  22  can move freely out of the way. The actuator  30  itself does not move out of the way upon impact to the deployable panel  22 . In the event there is ground/terrain/objects in the way during deployment of the panel  22 , the actuator  30  can clutch to disengage the gearing or the actuator  30  can retract the deployable panel  22  back to the stowed position. Typically, the actuator  30  senses current spikes and causes the actuator  30  to react to certain conditions, e.g., sensing of objects hitting the deployable panel  22  induces the actuator  30  to disengage the gearing. 
         [0089]    The actuator  30  is generally sealed and has communication capability with the vehicle  12 . The actuator  30  and the vehicle  12  also communicate to deploy and retract the deployable panel  22  based upon predetermined conditions such as vehicle speed, wind direction, e.g., average wind direction is unfavorably about 5° yaw, etc. By way of example, the deployable panel  22  is stowed under vehicle  12  and when the vehicle  12  reaches a predetermined speed, e.g., about 30-40 mph, the deployable panel  22  folds downward to the deployed position and stays down until the vehicle drops back down to below the predetermined speed or other predetermined conditions for continued deployment are no longer met. 
         [0090]    When the deployable panel  22  is up in the stowed position it is extended partially under the vehicle  12 . Generally, extending 4 to 12 inches, typically, 5 to 10 inches, preferably, 5 to 8 inches. 
         [0091]    When the deployable panel  22  is down in the deployed position it is extended generally about one quarter to one half of the distance to the traversed ground surface, preferably, about one third of the distance. 
         [0092]    When the deployable panel  22  is down in the deployed position it is generally extending vertically, and prevents air from swirling under the vehicle and reduces drag. Typically, the panel  22  is extended to about 90°, traverse to the underside of the vehicle, such that the panel  22  is along the same vertical plane as the vehicle  12  side panel to help prevent air from ducking under the vehicle  12  where it is turbulent due to all of the components under the vehicle  12 . Alternatively, the panel  22  is angled inward, e.g., generally, zero to 60 degrees under vertical, typically, five to thirty degrees, preferably, fifteen to thirty degrees, most preferably, five to fifteen degrees maximum. In accordance with a most preferred embodiment, the panel  22  is not at an angle when in the deployed position. 
         [0093]    Both ends  34  of the formed panel  22  are generally straight. Depending on the particular application, the ends  34  have different profiles without departing from the scope of the invention. 
         [0094]    The active side panel assembly  10  is depicted located on the driver side of the vehicle  12  generally extending along the bottom edge of the vehicle from behind the front wheel well to the front of the rear wheel well. Another active side panel assembly  10  is symmetrical located on the passenger side of the vehicle  12 . Both active side panel assemblies  10  are synchronized such that they extend and retract in unison under predetermined conditions. 
         [0095]    Referring generally to  FIGS. 24-25 , the actuator  30  used in any embodiment can be declutchable. An exemplary actuator assembly with internal clutching is shown generally at  310 , comprising a clutch system, generally shown at  312 , as will be explained in further detail below. Generally, there is provided a sealed actuator with internal clutching assembly in accordance with the present invention which provides desirable higher cycle durability and capability combined with a water tight arrangement for use, by way of example, in underbody environments exposed to the elements. The sealed actuator with internal clutching assembly further provides a safety override clutch system which allows the actuator to rotate under predetermined conditions, e.g., predetermined high loads, to help protect a motor and other components of the actuator with internal clutching assembly, as will be explained in greater detail below. When subjected to abnormal loads or a predetermined amount of force or other predetermined conditions, the actuator with internal clutching assembly will move features out of the way to help prevent damage thereto. 
         [0096]    Referring to  FIGS. 4A-4C  generally, in accordance with a second embodiment of the present invention, an active side panel assembly generally shown at  110  for a vehicle is identical to the first embodiment except that the deployable panel  122  is rotatably connected to an intermediary fixed panel  138  operably connected to the rocker panel assembly  114 . Just as with the first embodiment, the deployable panel  122  is rotated down/up by the at least one actuator between a deployed position and stowed position. However, the deployable panel  122  is hinged under the intermediary fixed panel  138  such that when stowed, the deployable panel  122  is under and behind the fixed panel  138 . In particular, the deployable panel is under a distal end portion  136  of the fixed panel  138  and behind a lower depending flange  140  of the fixed panel such that when stowed the deployable panel  122  is not seen from the side of the vehicle. 
         [0097]    The intermediary fixed panel  138  also has an upward depending portion  140 , both the lower and upper depending portions  138 , 140  extending at a predetermined angle. When driven to the deployed position, the deployable panel  122  rotates downward and the upper end of the panel  122  remains behind the angled lower depending portion  138  of the fixed panel. 
         [0098]    When in the deployed position the panel  122  is angled inward, e.g., generally, 15 to 60 degrees under vertical, typically, five to thirty degrees, preferably, fifteen to thirty degrees, most preferably, five to fifteen degrees maximum. 
         [0099]    Referring to  FIGS. 5A-5C  generally, in accordance with a third embodiment of the present invention, an active side panel assembly generally shown at  210  for a vehicle is identical to the first embodiment except that the deployable panel  222  is rotatably connected to the inner rocker panel  218  by at least a pair of hinges  224 . The first end  228  of the deployable panel  222  has a predetermined length and is angled in the opposite direction as the first embodiment. 
         [0100]    Referring to  FIGS. 6A-6B  generally, in accordance with a fourth embodiment of the present invention, an active side panel assembly  410  generally shown at  410  for a vehicle is identical to the first embodiment except that the deployable panel  422  is generally ‘U’ shaped and incorporates a slide out panel  442  slidably connected to the deployable panel  422  to slide in/out. The deployable panel  422  is operably rotatably coupled to the rocker panel assembly  414  and rotated up/down by the at least one actuator between a deployed position and stowed position. However, the slide out panel  442  is slidable received within the deployable panel  422  such that when stowed, the slide out panel  442  is slid into the deployable panel  422  and not seen when the deployable panel  422  is in the stowed position. When the active side panel assembly  410  is in the extended/down or deployed position, the deployable panel  422  and slide out panel  440  improve airflow. To deploy the assembly the panels  422 ,  442  are rotated downward generally 90° as a unit and the slide out panel  442  is then slid downward to the fully extended position by the same or an additional actuator. To stow the assembly, the slide out panel  442  slides into the deployable panel  422  and the panels  422 ,  442  are rotated upward as a unit into the area generally behind the rocker panel assembly  414 . 
         [0101]    Referring to  FIGS. 7A-7C  generally, in accordance with a fifth embodiment of the present invention, an active side panel assembly generally shown at  510  for a vehicle is identical to the first embodiment except that the deployable panel  522  has a generally channel shaped proximal end  528  and has a slidably connected slide out panel  542  that slides up/down. The deployable panel  522  is rotated down/up by the at least one actuator between a deployed position and stowed position. However, the slide out panel  542  is slidable received behind the deployable panel  522  such that when stowed, the slide out panel  542  is slid behind the deployable panel  522  and is not seen when the deployable panel  522  is rotated up to the stowed position. When the active side panel assembly  510  is in the extended/down or deployed position, the deployable panel  522  and slide out panel  542  improve airflow. To deploy the assembly the panels  522 ,  542  are rotated downward generally 90° as a unit and the slide out panel  542  is then slid downward to the fully extended position by the same or an additional actuator. To stow the assembly, the slide out panel  542  slides behind the deployable panel  522  and the panels  522 ,  542  are rotated upward as a unit into the area generally adjacent the lower end of the rocker panel assembly  514 . 
         [0102]    Referring to  FIGS. 8A-8C  generally, in accordance with a sixth embodiment of the present invention, there is provided an active side panel assembly generally shown at  610  for a vehicle. At least two panels form an integrated folding panel indicated generally at  622  comprised of a first panel  644  connected to a second panel  646  by at least one joint  648 . Each panel has a first end and a second end. The proximal end  650  of the first panel  644  is pivotally connected to the rocker panel assembly  614  toward the bottom of the rocker  614 . The second end of the first panel is pivotally connected to the first end of the second panel  652  at joint  648 . At least one actuator drives the integrated folding panel  622  downward to the deployed position ( FIGS. 8A, 8C ), using the same or different actuator and drive shaft as the first embodiment. When the actuator drives the integrated folding panel  622  to the stowed position ( FIG. 8B ), the panels  644 ,  646  fold upward upon one another and such that the deployable panel  622  into the area generally the lower end of the rocker panel assembly  614 . The assembly  610  could be jointed or hinged in the opposite direction without departing from the scope of the invention. 
         [0103]    Referring to  FIGS. 9A-9C  generally, in accordance with a seventh embodiment of the present invention, there is provided an active side panel assembly generally shown at  710  for a vehicle. At least two panels form an integrated articulatingly connected panel indicated generally at  722  comprised of a first panel  744  connected between a second panel  746  and the rocker panel assembly  714 , e.g., inner rocker panel  718 . Each panel has a first end and a second end. The second end of the first panel  744  is pivotally connected near the center of the second panel  746  at pivot joint  748 . The proximal end of the first panel  744  is angled a predetermined amount and pivotally connected to the rocker panel assembly  714  toward the bottom of the assembly  714 . At least one actuator drives the integrated folding panel  722  downward to the deployed position ( FIGS. 9A, 9C ), using the same or different actuator and drive shaft as the first embodiment. When deployed, an upward portion of the second panel  746  is behind the first panel  744 . The second panel  746  includes a central curve so that the exposed lower half of the second panel  746  is generally vertical. When the actuator drives the integrated folding panel  722  to the stowed position ( FIG. 9B ), the first panel  744  rotates upward and rearward to a generally horizontal position causing the second panel  746  to be driven upward. 
         [0104]    Referring to  FIGS. 10A-10C  generally, in accordance with an eighth embodiment of the present invention, there is provided an active side panel assembly generally shown at  810  for a vehicle. At least two panels form an integrated folding panel indicated generally at  822  comprised of a first panel  844  connected to a second panel  846  by at least a first pivot joint  848 . Each panel has a first end and a second end. The proximal end  856  of the second panel  846  is pivotally connected to the rocker panel assembly  814  toward the bottom of the rocker  814 . One end of the first panel  844  is pivotally connected to the distal end of the second panel  846  at joint  854 . At least one actuator drives the integrated folding panel  822  downward to the deployed position ( FIGS. 10A, 10C ), using the same or different actuator and drive shaft as the first embodiment. When the actuator drives the integrated folding panel  822  to the stowed position ( FIG. 10B ), the first panel  844  rotates upward about joint  854  and the second panel  846  rotates upward and rearward about joint  862 . 
         [0105]    Referring to  FIGS. 11A-11C  generally, in accordance with a ninth embodiment of the present invention, an active side panel assembly generally shown at  210  for a vehicle is identical to the first embodiment except that the deployable panel  922  is rotatably connected to the inner rocker panel  918  by at least one pair of flexible hinges  956 . 
         [0106]    Referring to  FIGS. 12A-12C  generally, in accordance with a tenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1010  for a vehicle movable between a stowed position and a deployed position ( FIG. 12A, 12C ). A deployable panel  1022  forms a scissor hinge panel. The panel is formed of a flexible and/or soft material, e.g., fabric, vinyl or other material, and is framed in semi-rigid or rigid material along at least the top edge, bottom edge and diagonally. Typically, a screw drive and higher speed actuator is employed. The bottom edge frame of the front frame bar  1058  can be adapted such that when driven to the stowed position the bar  1058  is driven upward to directly adjacent the top edge frame  1060 . 
         [0107]    Referring to  FIGS. 13A-13C  generally, in accordance with an eleventh embodiment of the present invention, there is provided an active side panel assembly generally shown at  1110  for a vehicle movable between a stowed position and a deployed position ( FIG. 13A, 13C ). A deployable panel  1122  includes a panel  1122  connected to a frame  1164  and rotatable brackets  1162  rotatable from a horizontal to vertical position. The panel  1122  is formed of stretchable material, e.g., rubber, and is driven downward to the extended deployed position as the brackets  1162  rotate and upward toward the rocker  1114  to the stowed position. 
         [0108]    Referring to  FIGS. 14A-14C  generally, in accordance with a twelfth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1210  for a vehicle movable between a stowed position and a deployed position ( FIG. 14A, 14C ). A deployable panel  1222  is connected to a frame  1264  and is foldable from the deployed to stowed position. The panel  1222  is formed of a soft material and is folded upward and rearward toward the rearward bottom of the rocker  1214  to the stowed position. Preferably, a cable mechanism is used to the panel  1222  upward out of the way. 
         [0109]    Referring to  FIGS. 15A-15C  generally, in accordance with a thirteenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1310  for a vehicle movable between the deployed position (See  FIG. 15A, 15C ) and the stowed position ( FIG. 15B ). The assembly  1310  includes a deployable panel  1322  and preferably includes an under vehicle track arrangement forming a garage door style side panel system. A first set of rollers or the like are connected toward the edges of the panel  1322  to follow the track (slide or roll) in an upward/rearward direction ( FIG. 15A ) and vice versa when the panel is driven by the actuator. Typically, the tracks have a ‘U’ shaped cross-section and are bolted in the base of the ‘U’ to the vehicle frame, chassis or other features. However, depending on the application tracks are welded, riveted, secured with adhesive and/or epoxy or otherwise connected depending on the application. Optionally, each track includes a first end and a second end with respective stop features in the second end. 
         [0110]    Referring to  FIGS. 16A-16C  generally, in accordance with a fourteenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1410  for a vehicle movable between the deployed position (See  FIG. 16A, 16C ) and the stowed position ( FIG. 16B ). The assembly  1410  includes a deployable panel  1422  with a curved end  1466  and an under vehicle housing indicated generally at  1468 . The housing  1468  includes an elongated opening  1470  sized for the panel  1422  to selectively extend downward through to the deployed position while preventing the curved end  1466  of the panel  1422  from moving laterally through the opening  1470 . 
         [0111]    Referring to  FIGS. 17A-17C  generally, in accordance with a fifteenth embodiment of the present invention, there is provided an active side panel assembly  1510  for a vehicle movable between a stowed position ( FIG. 17B ) and a deployed position ( FIGS. 17A, 17C ). A linkage assembly indicated generally at  1572  connects the deployable panel  1522  to the under vehicle frame, chassis or other features. Preferably, the linkage assembly is a four bar linkage. When the assembly  1510 /panel  1522  is driven to the deployed position, the linkage arms  1574 ,  1576  extend the panel  1522  downward and outward to the deployed position generally below the rocker panel assembly  1514 . When the assembly  1510 /panel  1522  is driven to the stowed position, the linkage arms  1574 ,  1576  retract the panel  1522  rearward and upward to the stowed position generally behind the rocker panel assembly  1514 . 
         [0112]    Referring to  FIGS. 18A-18C  generally, in accordance with an sixteenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1610  for a vehicle movable between a stowed position and a deployed position ( FIG. 18A, 18C ). A deployable panel  1622  is connected to rotatable brackets  1662  rotatable from a horizontal to vertical position. The brackets  1662  are connected to or behind the inner rocker panel  1618 . Rotation of the brackets  1662  allows the panel  1622  to be driven the generally downward and upward to the deployed and stowed position. 
         [0113]    Referring to  FIGS. 19A-19C  generally, in accordance with an seventeenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1710  for a vehicle movable between a stowed position ( FIG. 19B ) and a deployed position ( FIG. 19A, 19C ). At least two panels form an integrated slidable panel indicated generally at  1722  comprised of a first panel  1744  slidably connected to and/or adjacent to a second panel  1746 . The first panel  1744  is slidably connected adjacent the rear of the rocker panel assembly  1714 , e.g., using a track arrangement. The second panel  1746  is slidably connected adjacent the rear of the first panel  1744 , e.g., using a track arrangement, and generally parallel therewith when in the stowed position. When driven to the deployed position ( FIGS. 19A, 19C ) the first panel  1744  translates generally downward and forward and the second panel  1746  translates further downward and further and extends past the bottom edge of the first panel  1744  in the deployed position. 
         [0114]    Referring to  FIGS. 20A-20C  generally, in accordance with an eighteenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1810  for a vehicle movable between a stowed position and a deployed position ( FIG. 20A, 20C ). A deployable panel  1822  is connected to a housing indicated generally at  1868 . The housing  1868  includes an elongated opening  1870  sized for the panel  1822  to selectively extend downward through to the deployed position. A threaded flex screw mechanism indicated  1878  is adapted to connect to the panel  1822  such that when driven to the stowed position the panel  1822  is driven upward through the opening  1870  and when driven to the deployed position the panel  1822  is driven downward through the opening a predetermined amount. 
         [0115]    Referring to  FIGS. 21A-21C  generally, in accordance with a nineteenth embodiment of the present invention, there is provided an active side panel assembly generally shown at  1910  for a vehicle movable between a stowed position and a deployed position ( FIG. 21A, 21C ). A deployable panel  1922  is fixed in location toward one end and rotatable at a second end. Toward the first end  1980  the panel  1922  is operably connected to the rocker panel assembly  1914  and/or other framing or chassis member(s) depending on the application and does not rotate. Thus, the first end  1980  is always exposed and in the deployed position, whether or not the assembly  1910  is deployed or stowed, while the second end  1982  is not exposed when in the stowed position. The other end  1982  is rotatably connected to the rocker panel assembly  14  and/or other framing or chassis member(s) depending on the application and is driven to move downward to the deployed position and upward to the stowed position generally behind the rocker assembly  1914 . When deployed the second end  1982  of the panel  1922  is typically the same extended height as the first end  1980  of the panel  1922  from the bottom of the rocker assembly  1914 . Predetermined angles and/or slants are contemplated for the panel  1922  depending on the application without departing from the scope of the invention. 
         [0116]    Referring to  FIGS. 22A-22C  generally, in accordance with a twentieth embodiment of the present invention, there is provided an active side panel assembly generally shown at  2010  for a vehicle movable between a stowed position and a deployed position ( FIG. 22C ). A deployable panel generally indicated at  2022  is provided with a first panel  2044  connected in front of a second panel  2046 . The first and second panel  2044 ,  2046  cross and the deployable panel  2022  is connected generally toward the centerline of the assembly  2010  by a bracket member  2062  or other fastening member to the rocker panel assembly  2014  and/or other framing or chassis member(s) depending on the application. The panel  2022  is rotatably connected and adapted such that both ends (one end of the first panel  2044  and one end of the second panel  2046  only) move down/up to the deployed/stowed positions. Predetermined angles and/or slants are contemplated for the panels depending on the application without departing from the scope of the invention. 
         [0117]    Referring to  FIGS. 23A-23C  generally, in accordance with a twenty first embodiment of the present invention, there is provided an active side panel assembly generally shown at  2110  for a vehicle movable between a stowed ( FIG. 21B ) position and a deployed position ( FIG. 21C ). The deployable panel  2122  is operably rotatably connected to the rocker panel  2111  and/or other framing or chassis member(s) depending on the application and adapted via attachment member  2162  to allow at least one end of the panel  2122  to rotate downward/upward. When deployed one end of the panel  2122  is lower than the other end. Any number of suitable predetermined angles and/or slants are contemplated for the panel  2122  depending on the application without departing from the scope of the invention. 
         [0118]    Referring generally to  FIGS. 24-25 , an exemplary actuator assembly with internal clutching is shown generally at  310 , provided with a clutch system shown generally at  312 , where the actuator  310  is employable with any embodiment described herein. At least one actuator  310  with internal clutching is used or other actuator and/or in combination with any additional actuator(s) is/are used in the system. 
         [0119]    The clutch system  312  comprises a housing portion indicated generally at  312 , an output shaft  316  which is received within and holds an output detent ring  318  and a moving detent ring  320 . 
         [0120]    During normal operation of the active side panel assembly  10 , etc, the actuator assembly  310  provides power to drive and move the at least one panel  22 , etc between at least the stowed position and deployed position. Also connected to the actuator assembly  310  is a rotatable drive shaft, e.g., drive shaft  32 , that is operably connected to the at least one panel  22 , etc and the output shaft  316  of the actuator assembly  310 . The drive shaft  32  functions to deploy the at least one panel  22 , etc in the event of predetermined conditions sensed by the actuator assembly  310  in order to move the at least one panel  22 , etc to a fully extended deployed position for improved aerodynamics. 
         [0121]    The output detent ring  318  is free to rotate on the output shaft  316  about a portion of the output shaft  316  that is not splined. The moving detent ring  320  is able to move axially to the output shaft  316  but is locked radially by a plurality of interlocking splines  322 ,  324  on both components. The output shaft  316  has interlocking splines  322  that are arranged parallel to the longitudinal axis and operably spaced about an outer surface located on a lower half of the output shaft  316 . The moving detent ring  320  has outer interlocking splines  324  forming complementary channels to slidably interlock with the interlocking splines  322  for controlled axial movement of the moving detent ring  320 . The interlocking splines  322  of the output shaft  316  terminate at an integrally formed projecting ring  326  having an abutting surface  328 , lying transverse to the axis, against which the output detent ring  318  engages. The output detent ring  318  abuts against this surface  328  on the output shaft  316  and does not move axially. 
         [0122]    An output gear  330  is in mesh with the output detent ring  318  for transmitting torque. The output gear  330  has spaced circumferential segments  332  that are generally square teeth like shaped held in place within opposing recesses  334  of the output detent ring  318  for transmitting the torque. 
         [0123]    The output and moving detent rings  318 ,  320  have first and second intermeshing ramped teeth, generally shown at  336 ,  338 , respectively, that are held together in mesh by the biasing force of a wave spring  340 . The wave spring  340  is received on the outer output shaft  316  and provides a biasing force against the moving detent ring  320  in the direction of the output detent ring  318 . 
         [0124]    The components of the clutch system  310  (e.g., output shaft  316 , output gear  330 , output detent ring  318 , moving detent ring  320 , and wave spring  340 ) are held together by first and second locking rings  342 ,  344  located toward respective ends the output shaft  316  of the clutch assembly  312 . 
         [0125]    A motor  346  selectively provides torque suitable for particular applications. Suitable electronics  348 , most preferably, a shut off printed circuit board (PCB) with connector contacts  350  correlate with vehicle communication networks for commanding the motor  46  based upon predetermined conditions, e.g., commanding energizing of the motor correlating with predetermined vehicle speed ranges. The PCB electronics senses current spike for override, which allows the clutch to disengage the drive system allowing it to rotate freely. 
         [0126]    The motor  346  has a worm gear, shown generally at  352 , which causes a main gear, shown generally at  354 , to rotate. The main gear  354  has a gear and a helix angle portion  358 . The worm gear  352  has a shaft, e.g., a threaded shaft, which engages the teeth of the gear  356 , which causes the gear  356  of the main gear  354  to rotate as the worm gear  352  rotates. Rotation of the gear  356  causes the helix angle portion  358  of the main gear  354  to also rotate. The helix angle portion  358  rotatably engages the output gear  330 . The gear ratio range of the gear  356  to helix angle portion  358  is operably suitable for transmitting torque from the motor/worm gear  346 / 352  to the output gear  330 . The first and second intermeshing ramped teeth  336 ,  338  of the output and moving detent rings  318 ,  320  when held together by the biasing force of the wave spring  340  lock and allow the output shaft  316  to rotate and transmit the torque of the motor  346  through the main gear  354  and output gear  330  to the outside of the housing portion  314 . The output shaft  330  is operably coupled to the drive shaft  32  for selectively rotating, folding or otherwise moving at least one panel  22  etc between at least the stowed position and the deployed position. The wave spring  340  allows for a more compact structure while meeting biasing and predetermined load requirements. 
         [0127]    The housing portion  314  comprises a first half  360  and a second half  362 . The first half  60  has a first clutch assembly cavity  364  and a first motor cavity  366 . The second half  362  has a second clutch assembly cavity  368 , a main gear cavity  370 , and a second motor cavity. The clutch system  312  fits fully inside the first and second halves  360 ,  362  of the housing (within the first and second clutch assembly cavities  364 ,  368 ), as well as the motor  346  and electronics  348 / 350  (within the first motor cavity  366  and second motor cavity), and main gear  354  (within the main gear cavity  370 ). The first and second halves  360 ,  362  of the housing portion  314  are joined together, and connected with fasteners, and first and second seals added  372 ,  374  onto the output shaft  316  to form a weather tight housing. The housing  314  may be formed in the rocker panel module  14 , etc. without departing from the scope of the invention. 
         [0128]    In operation, the first and second intermeshing ramped teeth  336 ,  338  of the output and moving detent rings  318 ,  320 , that when held together by the biasing force of the wave spring  340 , lock together and allow the output shaft  316  to rotate. This allows torque transmission from the motor  346 /worm gear  352  through the main gear  354  and output gear  330  to the outside of the housing portion  314  via the output shaft  316  to the drive shaft  32 . During a predetermined level of high load, the first and second intermeshing ramped teeth  336 ,  338  create an axile force that overcomes the load from the wave spring  340 . This allows the moving detent ring  320  to disengage and allow the output shaft  316  to rotate freely, thereby preventing damage to the sealed actuator internal clutching assembly  310 . 
         [0129]    Thus, there is provided a sealed actuator with internal clutching assembly  310  which can drive in both directions, but when stopped will hold its position without back driving when subjected to a predetermined load, e.g., a load many times greater than its dynamic range. The actuator  310  also protects itself from damage from predetermined loads, e.g., very high loads, by means of the clutch that will disengage the drive system allowing it to rotate (e.g., allowing the output shaft  316  to rotate freely). The sealed actuator with internal clutching assembly  310  is in a waterproof housing and can rotate in both directions for as many revolutions as needed. The clutch is fully self contained in the housing. The actuator has an output passthrough drive structure, e.g., output shaft  316  arrangement, allowing it to drive a shaft, e.g., drive shaft  32 , or part from either side or both sides. The actuator  310  can be mounted to a fixed part with the only external moving part is the drive shaft  32 . The clutch system  312  of the sealed actuator with internal clutching assembly  310  also does not change shape or height when it clutches, which is yet another significant advantage. 
         [0130]    Referring to the Figures and embodiments generally, the panel  22 , etc is adapted for attachment via at least one suitable fastener mechanism to the rocker panel assembly and/or side step/bar and/or other framing or chassis member(s) depending on the application, e.g., via a pair of hinges which can be any hinge arrangement suitable for predetermined cycling and durability requirements, living hinge, or any other fastener or the like. Alternatively, molded-in panel features which are used to attach to opposing vehicle features and/or in combination with at least one fastener for each hinge or the like may be used depending on the application. In addition, typically, the deployable panel  22 , etc is movable from a deployed position to a stowed position. However, predetermined intermediate positions are contemplated without departing from the present invention. Additionally, tracks are contemplated for moving the panels, e.g., panels adapted with rollers translatable within the tracks between stages of deployment of the rollable panel from a stowed position to the deployed position and back. 
         [0131]    Typically, the tracks have a ‘U’ shaped cross-section and are bolted in the base of the ‘U’ to the rocker assembly, vehicle frame, chassis and/or other features. However, depending on the application tracks are welded, riveted, secured with adhesive and/or epoxy or otherwise connected depending on the application. Optionally, each track includes a first end and a second end with respective stop features in the second end. Class “A” surfaces on the housings and panels is contemplated. Panels with alternative profiles, angles, slants, etc are contemplated without departing from the scope of the invention. 
         [0132]    The deployable panel  22 , etc is made of a composite plastic in these particular embodiments. However, depending on the particular application, it is also within the scope of the invention to manufacture the deployable panel  22 , etc of different materials such as steel or aluminum, painted carbon fiber, extruded rubber, or other suitable impact resistant material to withstand a predetermined load without departing from the scope of the invention. Additionally, the deployable panel  22  etc may consist of a single piece, e.g., of molded composite plastic, or multiple pieces assembled together. 
         [0133]    The description of the invention is merely exemplary in nature and, thus, variations that do not depart from the gist of the invention are intended to be within the scope of the invention. Such variations are not to be regarded as a departure from the spirit and scope of the invention.