mhurhangee/ep-ind-claims huggingface dataset:
A fuel cell system comprising: a fuel cell; a first injection device connected to a fuel storage unit and associated with a supply of fuel to the fuel cell; a second injection device; and a controller programmed to control the first injection device and the second injection device, wherein the first and second injection devices (51, 52) are configured to switch a flow passage extending downstream from a fuel flow passage from the fuel storage unit to the first injection device, between a first flow passage via the first injection device and a second flow passage via the second injection device, the fuel flow passage being supplied with a common fuel with the first injection device, characterized in that the controller is programed to control the second injection device to be operated at a lower frequency than the first injection device during an operation of the fuel cell system, and the second injection device is provided on an upstream side of the first injection device in the fuel flow passage. a fuel cell; a first injection device connected to a fuel storage unit and associated with a supply of fuel to the fuel cell; a second injection device; and a controller programmed to control the first injection device and the second injection device, wherein the first and second injection devices (51, 52) are configured to switch a flow passage extending downstream from a fuel flow passage from the fuel storage unit to the first injection device, between a first flow passage via the first injection device and a second flow passage via the second injection device, the fuel flow passage being supplied with a common fuel with the first injection device, characterized in that the controller is programed to control the second injection device to be operated at a lower frequency than the first injection device during an operation of the fuel cell system, and the second injection device is provided on an upstream side of the first injection device in the fuel flow passage.
Method for producing a shaped part having the following method steps: -- providing a first layer consisting of a first sheet metal material and at least a second layer consisting of a second sheet metal material, -- forming a preliminary composite comprising the first layer and the at least second layer -- plating the preliminary composite -- forming the preliminary composite to obtain the shaped part using a flow turning, compression or deep drawing method, characterized in that the plating is done during the forming process. -- providing a first layer consisting of a first sheet metal material and at least a second layer consisting of a second sheet metal material, -- forming a preliminary composite comprising the first layer and the at least second layer -- plating the preliminary composite -- forming the preliminary composite to obtain the shaped part using a flow turning, compression or deep drawing method,
A center plug (206,306,406) for attenuating noise in a gas turbine engine, comprising: an inner skin (330,430), the inner skin (330,430) having a substantially cylindrical shape and extending along an axial centerline; an outer skin (316,416) positioned radially outside the inner skin (330,430); a forward bulkhead disposed proximate a forward end of the inner skin (330,430), the forward bulkhead connected to and extending radially outward from the inner skin (330,430), and the forward bulkhead oriented at an angle with respect to the axial centerline; an aft bulkhead disposed proximate an aft end of the inner skin (330,430), the aft bulkhead connected to and extending radially outward from the inner skin (330,430), and the aft bulkhead oriented at the angle with respect to the axial centerline; a first resonator cavity disposed within a volume defined by the inner skin (330,430), the outer skin (316,416) and the forward bulkhead and the aft bulkhead, the first resonator cavity including a first perforated disk extending between the inner skin (330,430) and the outer skin (316,416) and forming a first sub-cavity and a second sub-cavity, characterised in that the center plug (206,306,406) further comprises: a first intermediate bulkhead disposed aft of the first perforated disk and extending between the inner skin (330,430) and the outer skin (316,416), the first intermediate bulkhead oriented at the angle with respect to the axial centerline. an inner skin (330,430), the inner skin (330,430) having a substantially cylindrical shape and extending along an axial centerline; an outer skin (316,416) positioned radially outside the inner skin (330,430); a forward bulkhead disposed proximate a forward end of the inner skin (330,430), the forward bulkhead connected to and extending radially outward from the inner skin (330,430), and the forward bulkhead oriented at an angle with respect to the axial centerline; an aft bulkhead disposed proximate an aft end of the inner skin (330,430), the aft bulkhead connected to and extending radially outward from the inner skin (330,430), and the aft bulkhead oriented at the angle with respect to the axial centerline; a first resonator cavity disposed within a volume defined by the inner skin (330,430), the outer skin (316,416) and the forward bulkhead and the aft bulkhead, the first resonator cavity including a first perforated disk extending between the inner skin (330,430) and the outer skin (316,416) and forming a first sub-cavity and a second sub-cavity, characterised in that the center plug (206,306,406) further comprises: a first intermediate bulkhead disposed aft of the first perforated disk and extending between the inner skin (330,430) and the outer skin (316,416), the first intermediate bulkhead oriented at the angle with respect to the axial centerline.
A method for ascertaining a rough trajectory from a specified contour for controlling a machine tool which has at least two mutually redundant drive devices for carrying out superimposed movements, wherein the contour is determined by a contour function (P j, p j) which is defined in portions by contour nodal points (Po to P n+1) and respective contour portion functions (po to p n), wherein a respective contour portion function (p j) connects two adjacent contour nodal points (P j, P j+1), wherein the rough trajectory is determined by a rough trajectory function (Q j, q j) which is defined in portions by rough trajectory nodal points (Qo to Q n+1) and respective rough trajectory portion functions (qo to q n), wherein a respective rough trajectory portion function (q j) connects two adjacent rough trajectory nodal points (Q j, Q j+1), wherein, for each contour nodal point (P j), a respective assigned rough trajectory nodal point (Q j) is ascertained in such a manner that a difference in the gradients of the two adjacent rough trajectory portion functions (q j-1, q j) which contain this rough trajectory nodal point (Q j) is minimal and that the distance of the contour nodal point (P j) from the rough trajectory nodal point (Q j) satisfies a specified distance condition. wherein the contour is determined by a contour function (P j, p j) which is defined in portions by contour nodal points (Po to P n+1) and respective contour portion functions (po to p n), wherein a respective contour portion function (p j) connects two adjacent contour nodal points (P j, P j+1), wherein the rough trajectory is determined by a rough trajectory function (Q j, q j) which is defined in portions by rough trajectory nodal points (Qo to Q n+1) and respective rough trajectory portion functions (qo to q n), wherein a respective rough trajectory portion function (q j) connects two adjacent rough trajectory nodal points (Q j, Q j+1), wherein, for each contour nodal point (P j), a respective assigned rough trajectory nodal point (Q j) is ascertained in such a manner that a difference in the gradients of the two adjacent rough trajectory portion functions (q j-1, q j) which contain this rough trajectory nodal point (Q j) is minimal and that the distance of the contour nodal point (P j) from the rough trajectory nodal point (Q j) satisfies a specified distance condition.
Method for operating a device by at least two power supply units (2, 3), characterized in that - an alternating operation of the at least two power supply units (2, 3) by switching-over between the at least two power supply units (2, 3) is provided, if the two power supply units (2, 3) are functional, wherein during the alternating operation, the power supply unit (2, 3) that is in operation contributes to the power supply of the device, and the power supply unit (3 or 2) not in operation is cut-off from the power supply thereof; - an immediate switchover between the at least two power supply units (2, 3) in case of a failure of the power supply unit (2 or 3) that is in operation is provided; and in the alternating operation of the at least two power supply units (2, 3), a short-term parallel operation of the power supply units (2, 3) is provided in order to be able to check the availability for use of the power supply unit (2 or 3) that is to be operated. - an alternating operation of the at least two power supply units (2, 3) by switching-over between the at least two power supply units (2, 3) is provided, if the two power supply units (2, 3) are functional, wherein during the alternating operation, the power supply unit (2, 3) that is in operation contributes to the power supply of the device, and the power supply unit (3 or 2) not in operation is cut-off from the power supply thereof; - an immediate switchover between the at least two power supply units (2, 3) in case of a failure of the power supply unit (2 or 3) that is in operation is provided; and
An olivine-type lithium iron phosphate having a composition represented by Formula below and comprising 0.1 to 5% by weight of Li 3 PO 4, and less than 0.25% by weight of L i2 CO 3: Li 1+a Fe 1-x M x (PO 4-b)X b wherein: M is Al, Mg, Ti or a combination thereof; X is F, S, N or a combination thereof; -0.5 ≤ a ≤ +0.5; 0 ≤ x ≤ 0.5; and 0 ≤ b ≤ 0.1; and characterised in that the olivine-type lithium iron phosphate is in the form of secondary particles having a porosity of 15 to 40%, the secondary particles being formed by aggregating primary particles. M is Al, Mg, Ti or a combination thereof; X is F, S, N or a combination thereof; -0.5 ≤ a ≤ +0.5; 0 ≤ x ≤ 0.5; and 0 ≤ b ≤ 0.1; and
Profile arrangement for components, furniture panels and the like, comprising at least one melt layer and at least one structural layer connected to the melt layer, which two layers comprise a polymer material at least in part and both have a defined width (B2, B3) of approximately 10 to 120 mm, preferably 15 to 100 mm, wherein the melt layer at least partly has a lower width B3 than the width B2 of the structural layer on at least one longitudinal edge side L3, characterised in that the structural layer is arranged at least partly at a distance from the longitudinal edge side L3 of the melt layer on at least one longitudinal edge side L2, in that the material of the melt layer has a melt volume-flow rate of 60 to 150 cm3/10 min., preferably 85 to 125 cm3/10 min. in accordance with DIN ISO 1133 at 140°C / 1.20 kg and, on the longitudinal edge side, has an approximately 0.5-4.7% lower width B3 than the width B2 of the structural layer.
A control system for use in operating an energy system, said control system comprising: a turbine control system; and a control system processor configured to determine an auto-ignition temperature of the fuel in use with the energy system, characterized in that said turbine control system is coupled to: a gas turbine; a plurality of inlet guide vanes; an exhaust bypass damper; and a turbine control system processor that is programmed to: calculate the auto-ignition temperature of the fuel in use with the energy system; monitor the temperature of exhaust discharged from the gas turbine; control the operation of the plurality of inlet guide vanes; and control the operation of the exhaust bypass damper. a turbine control system; and a control system processor configured to determine an auto-ignition temperature of the fuel in use with the energy system, characterized in that said turbine control system is coupled to: a gas turbine; a plurality of inlet guide vanes; an exhaust bypass damper; and a turbine control system processor that is programmed to: calculate the auto-ignition temperature of the fuel in use with the energy system; monitor the temperature of exhaust discharged from the gas turbine; control the operation of the plurality of inlet guide vanes; and control the operation of the exhaust bypass damper. a gas turbine; a plurality of inlet guide vanes; an exhaust bypass damper; and a turbine control system processor that is programmed to: calculate the auto-ignition temperature of the fuel in use with the energy system; monitor the temperature of exhaust discharged from the gas turbine; control the operation of the plurality of inlet guide vanes; and control the operation of the exhaust bypass damper. calculate the auto-ignition temperature of the fuel in use with the energy system; monitor the temperature of exhaust discharged from the gas turbine; control the operation of the plurality of inlet guide vanes; and control the operation of the exhaust bypass damper.
A pre-collapsed capacitive micro-machined transducer cell comprising: - a substrate comprising a first electrode and a protrusion, - a membrane comprising a second electrode, - an outer region where the membrane is mounted to the substrate, - an inner region inside or surrounded by the outer region, wherein the substrate at least partially opposes the membrane over a cavity, characterized in that the protrusion is mounted in a central region of the substrate and extends from the substrate to the membrane along a maximum height of the cavity; and the membrane is collapsed to the substrate in a first collapsed annular-shaped region located within the inner region and centered around the protrusion; and wherein the cell has a first transduction region inside or surrounded by the annular-shaped first collapsed region and a second transduction region outside or surrounding the annular-shaped first collapsed region. - a substrate comprising a first electrode and a protrusion, - a membrane comprising a second electrode, - an outer region where the membrane is mounted to the substrate, - an inner region inside or surrounded by the outer region, wherein the substrate at least partially opposes the membrane over a cavity, characterized in that the protrusion is mounted in a central region of the substrate and extends from the substrate to the membrane along a maximum height of the cavity; and the membrane is collapsed to the substrate in a first collapsed annular-shaped region located within the inner region and centered around the protrusion; and wherein the cell has a first transduction region inside or surrounded by the annular-shaped first collapsed region and a second transduction region outside or surrounding the annular-shaped first collapsed region. the protrusion is mounted in a central region of the substrate and extends from the substrate to the membrane along a maximum height of the cavity; and the membrane is collapsed to the substrate in a first collapsed annular-shaped region located within the inner region and centered around the protrusion; and wherein the cell has a first transduction region inside or surrounded by the annular-shaped first collapsed region and a second transduction region outside or surrounding the annular-shaped first collapsed region.
A foam core for a cushion (8, 9) of a seat part, bed part or backrest of an item of upholstered furniture or of a vehicle seat, or for a mattress or padding of a bed, comprising a core main body made of foam material, in particular from cold foam, visco foam, latex foam or moulded foam, wherein a plurality of resilient strips, preferably extending at least substantially in parallel with one another, are provided in the core main body, characterised in that at least one resilient strip comprises an in particular pultruded fibre core, preferably comprising glass fibres, and a covering made of thermoplastic material, in particular polypropylene, that surrounds the fibre core, and in that the resilient strips are foamed in the core main body in such a way that a layered structure in the form of foam - resilient strips - foam is produced.
A pile driver for driving foundation piles, comprising: a frame, in turn comprising a horizontal base, at least one upright extending upwards from the base, and a first movable body which slides along the upright; a first lock device fitted to the base and which, in use, rigidly engages a connecting member of an underlying foundation structure; a second lock device fitted to the first movable body and which, in use, rigidly engages a shaft of a pile to be driven; and at least one first hydraulic jack connected to the frame and to the first movable body to move the first movable body along the upright; the pile driver is characterized in that the first lock device comprises a through first hole formed through the base and tapering downwards; a number of first wedges, each of which is sector-shaped and inserted, in use, inside the first hole; and a first actuating device for raising the base with respect to the underlying foundation structure. a frame, in turn comprising a horizontal base, at least one upright extending upwards from the base, and a first movable body which slides along the upright; a first lock device fitted to the base and which, in use, rigidly engages a connecting member of an underlying foundation structure; a second lock device fitted to the first movable body and which, in use, rigidly engages a shaft of a pile to be driven; and at least one first hydraulic jack connected to the frame and to the first movable body to move the first movable body along the upright; the pile driver is characterized in that the first lock device comprises a through first hole formed through the base and tapering downwards; a number of first wedges, each of which is sector-shaped and inserted, in use, inside the first hole; and a first actuating device for raising the base with respect to the underlying foundation structure.
A shielding device for a microwave appliance for thermally treating products, said shielding device being able to be disposed in a wall of the microwave appliance shielding microwaves, said shielding device serving for a microwave-shielding passage of a movement element through the wall, said shielding device comprising the movement element and forming a passage opening for the movement element, said movement element serving for transferring a movement and being movably guided through the passage opening, a dielectric gap being formed between the passage opening and the movement element, a geometric shape of the gap being formed such that the gap forms a band rejection filter for microwaves, said passage opening being formed in a passage apparatus of the shielding device, at least one reflection trap (20, 21) being realized in the gap, said reflection trap being realized as a gap ledge having an expanded gap measure (s') and a width (b), at least one mode, which is realized by the microwave appliance, being capable of being reflected by means of the reflection trap, characterized in that the passage apparatus comprises a dielectric element (23, 24), which is made of a dielectric medium and fills the gap in an area of the gap ledge, said dielectric element forming a bearing for the movement element.
An expandable cage which is placed between two vertebrae, closes the opening between the vertebrae upon being moved, and hence can be integrated in any intervertebral opening comprising - at least one body which is of a geometry and size in a way to allow placing the same between two vertebrae, is made of a biocompatible material, which closes the space between two vertebrae, and comprises at least one space and at least one rib, - at least one moveable part which has a bearing area in the portion thereof facing the upper vertebra; a base in the portion thereof facing the lower vertebra; and nails in the surfaces thereof contacting with the preferred space, located in the body, moving unilaterally, and comprises at least one bearing area, at least one base and at least one nail, - the at least one bearing area which virtually has the same geometry as the endplate of the upper vertebra, and thus fits properly in said surface in surface-surface manner in case the moveable part contacts with the endplate of the upper vertebra, at least one balloon which applies the required force to the moveable part characterized in that - the at least one nail ensuring that the moveable part, once raised inside the body, remains fixed, - the at least one balloon which applies the required force to the moveable part is withdrawn and removed from the hole after procedure is completed, - at least one compression element compresses a fluid in said balloon and inflates said balloon. - at least one body which is of a geometry and size in a way to allow placing the same between two vertebrae, is made of a biocompatible material, which closes the space between two vertebrae, and comprises at least one space and at least one rib, - at least one moveable part which has a bearing area in the portion thereof facing the upper vertebra; a base in the portion thereof facing the lower vertebra; and nails in the surfaces thereof contacting with the preferred space, located in the body, moving unilaterally, and comprises at least one bearing area, at least one base and at least one nail, - the at least one bearing area which virtually has the same geometry as the endplate of the upper vertebra, and thus fits properly in said surface in surface-surface manner in case the moveable part contacts with the endplate of the upper vertebra, at least one balloon which applies the required force to the moveable part characterized in that - the at least one nail ensuring that the moveable part, once raised inside the body, remains fixed, - the at least one balloon which applies the required force to the moveable part is withdrawn and removed from the hole after procedure is completed, - at least one compression element compresses a fluid in said balloon and inflates said balloon.
Pump for a bicycle tyre, comprising - a piston-cylinder unit for generating compressed air, that can be used to inflate the bicycle tyre, - a pump head which has connection means (6, 7) for connection with the valve of a bicycle tyre, - a hose that connects the pump head to the piston-cylinder unit, wherein the hose is formed spiral-shaped, - a pedal mechanism which enables the actuation of the piston-cylinder unit, - receiving means, in which the hose can be arranged in a stowed position, characterised in that the pump comprises a pressure gauge and in that the receiving means form an annular space which extends around the pressure gauge, wherein the hose is arranged in the annular space in the stowed position and extends around the pressure gauge. - a piston-cylinder unit for generating compressed air, that can be used to inflate the bicycle tyre, - a pump head which has connection means (6, 7) for connection with the valve of a bicycle tyre, - a hose that connects the pump head to the piston-cylinder unit, wherein the hose is formed spiral-shaped, - a pedal mechanism which enables the actuation of the piston-cylinder unit, - receiving means, in which the hose can be arranged in a stowed position, characterised in that the pump comprises a pressure gauge and in that the receiving means form an annular space which extends around the pressure gauge, wherein the hose is arranged in the annular space in the stowed position and extends around the pressure gauge.