mhurhangee/patent-ind-claim-en huggingface dataset:
A boundary layer ingestion fan system for location aft of the fuselage of an aircraft, comprising: a nacelle defining a duct; a fan located within the duct, the fan comprising a hub arranged to rotate around a rotational axis and a plurality of blades attached to the hub, each of which has: a span from a root at the hub defining a 0 percent span position (r hub ) to a tip defining a 100 percent span position (r tip ) and a plurality of span positions therebetween (r ∈ [r hub , r tip ]), a blade thickness (t) defined at each span position which is normal to said chord and which is defined as a maximum distance between a pressure surface and a suction surface of each blade; a blade inlet angle (β 1 ) at each span position which is the angle of a camber line at the leading edge relative to the rotational axis; wherein a circumferential pitch (s) is defined at each span position between each one of said plurality of blades; characterized in that a blade blockage, which is the ratio of the blade thickness to the product of the circumferential pitch and the cosine of a blade inlet angle (t/s·cosβ 1 ), of 0.25 or greater at the 0 percent span position is defined. a nacelle defining a duct; a fan located within the duct, the fan comprising a hub arranged to rotate around a rotational axis and a plurality of blades attached to the hub, each of which has: a span from a root at the hub defining a 0 percent span position (r hub ) to a tip defining a 100 percent span position (r tip ) and a plurality of span positions therebetween (r ∈ [r hub , r tip ]), a blade thickness (t) defined at each span position which is normal to said chord and which is defined as a maximum distance between a pressure surface and a suction surface of each blade; a blade inlet angle (β 1 ) at each span position which is the angle of a camber line at the leading edge relative to the rotational axis; a span from a root at the hub defining a 0 percent span position (r hub ) to a tip defining a 100 percent span position (r tip ) and a plurality of span positions therebetween (r ∈ [r hub , r tip ]), a blade thickness (t) defined at each span position which is normal to said chord and which is defined as a maximum distance between a pressure surface and a suction surface of each blade; a blade inlet angle (β 1 ) at each span position which is the angle of a camber line at the leading edge relative to the rotational axis; wherein a circumferential pitch (s) is defined at each span position between each one of said plurality of blades; characterized in that a blade blockage, which is the ratio of the blade thickness to the product of the circumferential pitch and the cosine of a blade inlet angle (t/s·cosβ 1 ), of 0.25 or greater at the 0 percent span position is defined.
A lubricant scoop , comprising: an annular body configured for engagement with a shaft rotating about a central axis , the annular body including a first annular portion having a radially oriented entrance surface and a first axially oriented transition surface and a second annular portion disposed adjacent the first annular portion and having a second axially oriented transition surface , a primary redirection member spaced radially outward from the second axially oriented transition surface , a radially oriented exit surface and an exit conduit having an opening positioned proximate the radially oriented exit surface , wherein the first annular portion includes a circumferential lubricant inlet defined by a space between the radially oriented entrance surface and the primary redirection member . an annular body configured for engagement with a shaft rotating about a central axis , the annular body including a first annular portion having a radially oriented entrance surface and a first axially oriented transition surface and a second annular portion disposed adjacent the first annular portion and having a second axially oriented transition surface , a primary redirection member spaced radially outward from the second axially oriented transition surface , a radially oriented exit surface and an exit conduit having an opening positioned proximate the radially oriented exit surface , wherein the first annular portion includes a circumferential lubricant inlet defined by a space between the radially oriented entrance surface and the primary redirection member .
A vehicle brake system comprising - a brake assembly providing a service brake and a parking brake having a brake disc assembly in common, - a service brake circuit , - a parking brake circuit , and - a brake control arrangement adapted to control the service brake by selectively providing a fluid communication between a pressurising arrangement and the service brake via the service brake circuit , the brake control arrangement further being adapted to control the parking brake by selectively providing a fluid communication between the pressurising arrangement and the parking brake via the parking brake circuit , and by selectively draining the parking brake circuit , - a vehicle brake system comprising a draining circuit adapted to drain the service brake circuit to avoid overload of the brake disc assembly, wherein draining circuit is adapted to drain the service brake circuit while the parking brake circuit is drained characterised in that the draining circuit is adapted to drain the service brake circuit via the parking brake circuit . - a brake assembly providing a service brake and a parking brake having a brake disc assembly in common, - a service brake circuit , - a parking brake circuit , and - a brake control arrangement adapted to control the service brake by selectively providing a fluid communication between a pressurising arrangement and the service brake via the service brake circuit , the brake control arrangement further being adapted to control the parking brake by selectively providing a fluid communication between the pressurising arrangement and the parking brake via the parking brake circuit , and by selectively draining the parking brake circuit , - a vehicle brake system comprising a draining circuit adapted to drain the service brake circuit to avoid overload of the brake disc assembly, wherein draining circuit is adapted to drain the service brake circuit while the parking brake circuit is drained characterised in that the draining circuit is adapted to drain the service brake circuit via the parking brake circuit .
An alkaline water electrolysis device comprising: a water electrolytic stack including a plurality of membrane-electrode assemblies, MEAs, and electrolyzing an aqueous alkaline solution to generate hydrogen and oxygen; a voltage application unit outputting a voltage required for electrolysis to the water electrolytic stack ; a voltage removing unit electrically connected with the water electrolytic stack when the water electrolytic stack is in a no-load state, to consume and remove a residual voltage of the water electrolytic stack ; and a controller controlling operations of the water electrolytic stack , the voltage application unit , and the voltage removing unit , wherein the voltage removing unit includes a voltage consuming device and a switch turned on by the controller when the water electrolytic stack is a no-load state to electrically connect the voltage consuming device and the water electrolytic stack , characterized in that the water electrolytic stack is supplied with an aqueous alkaline solution from an electrolyte tank through a pipe where a radiator is installed, and that the voltage consuming device is configured as an auxiliary heater installed in the electrolyte tank or as a cooling fan installed at the radiator . a water electrolytic stack including a plurality of membrane-electrode assemblies, MEAs, and electrolyzing an aqueous alkaline solution to generate hydrogen and oxygen; a voltage application unit outputting a voltage required for electrolysis to the water electrolytic stack ; a voltage removing unit electrically connected with the water electrolytic stack when the water electrolytic stack is in a no-load state, to consume and remove a residual voltage of the water electrolytic stack ; and a controller controlling operations of the water electrolytic stack , the voltage application unit , and the voltage removing unit , wherein the voltage removing unit includes a voltage consuming device and a switch turned on by the controller when the water electrolytic stack is a no-load state to electrically connect the voltage consuming device and the water electrolytic stack , characterized in that the water electrolytic stack is supplied with an aqueous alkaline solution from an electrolyte tank through a pipe where a radiator is installed, and that the voltage consuming device is configured as an auxiliary heater installed in the electrolyte tank or as a cooling fan installed at the radiator .
A method of forming a heat exchanger , the method comprising: providing a metal body having a first surface and a second surface opposite and spaced from the first surface ; removing material from the first surface of the metal body to partially create a set of fluid cooling passages for carrying fluid to be cooled, the fluid cooling passages having open faces within the metal body ; filling the partially created set of fluid cooling passages via the open faces with sacrificial material such that the sacrificial material forms an exposed surface ; forming a remainder of the set of fluid cooling passages by electroforming a layer of the same material as the metal body, such that the exposed surface is covered and the open faces are closed and a set of fully formed fluid cooling passages for the heat exchanger are defined; removing the sacrificial material from the set of fully formed fluid cooling passages ; and forming fins on the second surface of the metal body ; wherein the heat exchanger is configured to operate in a high pressure environment of 0.7 MPa or more and a high temperature environment of 150°C or more; wherein the material is removed from the metal body along the partially created fluid cooling passage in a non-uniform fashion such that at least one heat transfer augmentation structure is formed along at least a portion of at least one of the multiple walls . providing a metal body having a first surface and a second surface opposite and spaced from the first surface ; removing material from the first surface of the metal body to partially create a set of fluid cooling passages for carrying fluid to be cooled, the fluid cooling passages having open faces within the metal body ; filling the partially created set of fluid cooling passages via the open faces with sacrificial material such that the sacrificial material forms an exposed surface ; forming a remainder of the set of fluid cooling passages by electroforming a layer of the same material as the metal body, such that the exposed surface is covered and the open faces are closed and a set of fully formed fluid cooling passages for the heat exchanger are defined; removing the sacrificial material from the set of fully formed fluid cooling passages ; and forming fins on the second surface of the metal body ; wherein the heat exchanger is configured to operate in a high pressure environment of 0.7 MPa or more and a high temperature environment of 150°C or more; wherein the material is removed from the metal body along the partially created fluid cooling passage in a non-uniform fashion such that at least one heat transfer augmentation structure is formed along at least a portion of at least one of the multiple walls .
System for a heating, ventilation or air-conditioning device of a vehicle, comprising: - an electric motor ; - a motor support attached to the motor , wherein said motor support can be installed in an opening formed on a volute of the heating , ventilation or air-conditioning device, - a control module of said electric motor; wherein the control module is installed on the motor support in a recess , said recess being formed between a ring of said motor support surrounding the motor and a bearing surface of said motor support connected to the ring and adapted to be in contact with the volute, characterized in that a main direction of said control module is colinear with an axis of rotation of the motor , the main direction of the control module being a direction oriented along the largest dimension of the control module . - an electric motor ; - a motor support attached to the motor , wherein said motor support can be installed in an opening formed on a volute of the heating , ventilation or air-conditioning device, - a control module of said electric motor; wherein the control module is installed on the motor support in a recess , said recess being formed between a ring of said motor support surrounding the motor and a bearing surface of said motor support connected to the ring and adapted to be in contact with the volute,
A floor cleaning head comprising a body portion and a nozzle portion attached to the body portion , the nozzle portion comprising: front and rear transversely extending elongate blades formed of a resiliently flexible material depending from the underside thereof; and a suction mouth disposed on the underside thereof between said blades ; characterised in that the nozzle portion is pivotally attached to the body portion for rotation about a transverse axis (x - x) which extends parallel to the suction mouth , means being provided for pivoting the nozzle portion in a first direction such that the suction mouth faces forwardly and the front blade is raised away from a floor surface (S) when the head is moved forwardly across the surface (S) and for pivoting the nozzle portion in a second direction such that the suction mouth faces rearwardly and the rear blade is raised away from the floor surface (S) when the head is moved rearwardly across the surface (S). front and rear transversely extending elongate blades formed of a resiliently flexible material depending from the underside thereof; and a suction mouth disposed on the underside thereof between said blades ;
Control device for a valve , in particular an internal-medium-actuated servo valve, having a switching device which is in the form of a ballpoint pen mechanism and which serves for opening and closing a valve , wherein the switching device has three switching stages (S 1 , S 2 , S 3 ), and having a magnet which is coupled to the switching device , characterized in that the switching device has an end position setting means for setting an end position of the magnet in an intermediate switching stage (S 3 ), wherein, via the end position setting means , the intermediate switching stage (S 3 ) is finely adjustable and, in this way, the throughflow of a valve is adaptable.
Device for simulating a communication relay for at least one device for processing tactical data, characterised in that the simulation device comprises: - A data storage system ; - A first connection interface for connection with the device for processing tactical data; - A second communication interface ; - A processor connected to the storage system and to the interfaces, characterised in that the processor is configured to: - Divide a temporal cycle having a first predetermined duration into time slots of a second predetermined duration, each time slot being identified by an index in the temporal cycle; - Monitor the network traffic over the second communication interface; - Emit a message via the first interface for all the indices of slots except for slots identified by a list of at least one excluded index; - Broadcast a message via the second interface for the slots identified by the list of at least one excluded index. - A data storage system ; - A first connection interface for connection with the device for processing tactical data; - A second communication interface ; - A processor connected to the storage system and to the interfaces, - Divide a temporal cycle having a first predetermined duration into time slots of a second predetermined duration, each time slot being identified by an index in the temporal cycle; - Monitor the network traffic over the second communication interface; - Emit a message via the first interface for all the indices of slots except for slots identified by a list of at least one excluded index; - Broadcast a message via the second interface for the slots identified by the list of at least one excluded index.
A torque transfer arrangement for a butterfly valve comprising: a crank having a tubular portion with an outer radial surface and an inner radial surface defining a cylindrical bore about a first axis, the tubular portion having two openings connecting the outer surface with the inner surface; a shaft ) sized and configured to fit within the cylindrical bore and aligned with the first axis, and having a hole formed therethrough that is substantially perpendicular to the first axis; and a tapered pin sized and configured to snugly engage within the two openings and the hole; and characterised in that there is a reduced diameter portion on a tapered pin outer surface intermediate first and second outer peripheral portions, said reduced diameter portion received within said hole. a crank having a tubular portion with an outer radial surface and an inner radial surface defining a cylindrical bore about a first axis, the tubular portion having two openings connecting the outer surface with the inner surface; a shaft ) sized and configured to fit within the cylindrical bore and aligned with the first axis, and having a hole formed therethrough that is substantially perpendicular to the first axis; and a tapered pin sized and configured to snugly engage within the two openings and the hole; and characterised in that there is a reduced diameter portion on a tapered pin outer surface intermediate first and second outer peripheral portions, said reduced diameter portion received within said hole.
A sensing sensor that attaches a substance to be sensed to a piezoelectric resonator , detaches the substance to be sensed by changing a temperature of the piezoelectric resonator , and senses the substance to be sensed based on a relationship between a change of an oscillation frequency and the temperature of the piezoelectric resonator , the substance to be sensed being a gas, the sensing sensor comprisings; a base body , cooled by a liquid nitrogen; the piezoelectric resonator , cooled by the base body ; a heating unit that heats the piezoelectric resonator for changing the temperature of the piezoelectric resonator ; a substrate mounted to the base body , the substrate including an oscillator circuit unit and a heater circuit thereon, the oscillator circuit unit oscillating the piezoelectric resonator , the heater circuit heating the oscillator circuit unit ; and a heat insulating portion , disposed between the base body and the oscillator circuit unit for avoiding a heat transfer of a cool heat from the base body to the oscillator circuit unit via the substrate . a base body , cooled by a liquid nitrogen; the piezoelectric resonator , cooled by the base body ; a heating unit that heats the piezoelectric resonator for changing the temperature of the piezoelectric resonator ; a substrate mounted to the base body , the substrate including an oscillator circuit unit and a heater circuit thereon, the oscillator circuit unit oscillating the piezoelectric resonator , the heater circuit heating the oscillator circuit unit ; and a heat insulating portion , disposed between the base body and the oscillator circuit unit for avoiding a heat transfer of a cool heat from the base body to the oscillator circuit unit via the substrate .
A time-controlled ignition system for an internal combustion engine comprising: an ignition coil having a primary winding and a secondary winding ; a power supply for supplying power to said primary winding ; a switching device for allowing or interrupting the flow of primary current (IP) through said primary winding at controlled timings; a control unit configured to (a) operate charging and discharging phases of said ignition coil by actuation of said switching device in order to create a first spark followed by a plurality of subsequent sparks and (b) during a respective spark-interval (Tsi), monitor the energy level in the secondary winding by monitoring the secondary current flowing therethrough, wherein the discharge phase is terminated when the measured secondary current equals or drops below a time-dependent, variable secondary current threshold; characterized in that the control unit is configured to operate the charging and discharging phases such that the first spark and subsequent sparks are created at prescribed timings (ts1 ... ts4), whereby the spark intervals, respectively spark timings, are input values in the charge or discharge phases; and in that said variable secondary current threshold is designed in consideration of the charging characteristic of the primary winding such that the control unit is configured to stop the discharge phase and operate a charging phase at the moment when the remaining time until the next prescribed timing (tsi) corresponds to the time required to charge the primary winding to a prescribed energy level (IP_tgt). an ignition coil having a primary winding and a secondary winding ; a power supply for supplying power to said primary winding ; a switching device for allowing or interrupting the flow of primary current (IP) through said primary winding at controlled timings; a control unit configured to (a) operate charging and discharging phases of said ignition coil by actuation of said switching device in order to create a first spark followed by a plurality of subsequent sparks and (b) during a respective spark-interval (Tsi), monitor the energy level in the secondary winding by monitoring the secondary current flowing therethrough, wherein the discharge phase is terminated when the measured secondary current equals or drops below a time-dependent, variable secondary current threshold; characterized in that the control unit is configured to operate the charging and discharging phases such that the first spark and subsequent sparks are created at prescribed timings (ts1 ... ts4), whereby the spark intervals, respectively spark timings, are input values in the charge or discharge phases; and in that said variable secondary current threshold is designed in consideration of the charging characteristic of the primary winding such that the control unit is configured to stop the discharge phase and operate a charging phase at the moment when the remaining time until the next prescribed timing (tsi) corresponds to the time required to charge the primary winding to a prescribed energy level (IP_tgt).
A preform (1 p ) in a thermoplastic polymer, preferably PolyEthyleneTerephtalate, comprising a neck finish (2 1p ), a neck (2 2p ), a body (3 p ) and a bottom (4 p ), wherein: the body (3 p ) has a circular cross-section, and the preform being characterized in that • the neck finish (2 1p ) and the neck (2 2p ) have an oval, preferably elliptic, cross-section; • at least the largest dimension of the cross section of the neck (2 2p ) decreases from the top to the base of the neck (2 2p ). the body (3 p ) has a circular cross-section, and the preform being characterized in that • the neck finish (2 1p ) and the neck (2 2p ) have an oval, preferably elliptic, cross-section; • at least the largest dimension of the cross section of the neck (2 2p ) decreases from the top to the base of the neck (2 2p ). • the neck finish (2 1p ) and the neck (2 2p ) have an oval, preferably elliptic, cross-section; • at least the largest dimension of the cross section of the neck (2 2p ) decreases from the top to the base of the neck (2 2p ).