SPHERE Of a DEVICE OF SUSPENSION Of a MOTOR VEHICLE, INTEGRAL OF the AVERAGE SHOCK ABSORBERS

La présente invention concerne une sphère, notamment pneumatique, d'un dispositif de suspension d'un véhicule automobile. Cette sphère comprend une enveloppe rigide et une membrane souple déformable disposée à l'intérieur de cette enveloppe pour définir une chambre supérieure (11) et une chambre inférieure (12), et elle est caractérisée en ce que les moyens d'amortissement de la suspension sont intégrés dans ladite chambre supérieure (11) de la sphère. L'invention s'applique à des suspensions de véhicules automobiles.

CAM SHAFT VERSE PLATE WITH HARMONIOUS DRIVE AND INITIAL TENSION FEATHER/SPRING

SYSTEM AND METHOD FOR COOLING AN ELECTRICAL COMPONENT OF A VEHICLE

The invention relates to a system and method for cooling electrical components of a vehicle. A cooling system for a capacitor may include a housing for a capacitor, the housing including a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including a bottom inlet manifold and a bottom outlet manifold, the bottom inlet manifold and the bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold in fluid communication with the inlet side channel; and an ejection port manifold extending along the top surface, the ejection port manifold being in fluid communication ...

Internal combustion engine with a camshaft phaser

An internal combustion engine includes a crankshaft rotatable about a crankshaft axis; a camshaft rotatable by the crankshaft about a camshaft axis; an engine cover defining an engine cover volume within the internal combustion engine; a drive member disposed within the engine cover volume which transfers rotational motion from the crankshaft to the camshaft; a camshaft phaser disposed within the engine cover volume which controllably varies the phase relationship between the crankshaft and the camshaft; an actuator which operates the camshaft phaser; and an actuator mount within the engine cover volume which mounts the actuator structurally independent of the engine cover, thereby allowing removal of the engine cover independently of the actuator.

Assembly with guidance of an elongate thin lip in an elongate narrow slot and application to the assembling of an air guide on a nozzle

An assembly of a first element with a second element includes an elongate thin lip belonging to the second element being inserted in an elongate narrow slot formed by three sides of an elongate flat plate fixed in parallel to a flat wall of the first element. At least one element forming a guide is secured to a long side of the elongate flat plate forming an edge of the slot. The element forming a guide includes a sliding surface extending in the continuation of the elongate flat plate and diverging from the flat wall away from the first element. The at least one element forming a guide cooperates with the lip so that the insertion of the lip into the slot begins with the sliding of the lip on the sliding surface and then continues as the lip advances, with progressive insertion of the lip into the slot.

Camshaft phaser

An internal combustion includes a crankshaft and a camshaft rotatable by the crankshaft. The internal combustion engine also includes an oil source, an engine cover, and a drive member disposed within the engine cover for transferring rotational motion from the crankshaft to the camshaft. A camshaft phaser actuated by an electric motor is disposed within the engine cover for controllably varying the phase relationship between the crankshaft and the camshaft. A supply passage communicates oil from the oil source to the camshaft phaser in order to lubricate the camshaft phaser and a drain passage drains oil from the camshaft phaser to the oil source. A sealing arrangement defines a dry zone within the engine cover to isolate the drive member from oil used to lubricate the camshaft phaser.

Harmonic drive camshaft phaser with phase authority stops

A camshaft phaser includes a housing with a harmonic gear drive unit disposed therein. The harmonic gear drive unit includes a circular spline and a dynamic spline, a flexspline disposed radially within the circular spline and the dynamic spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed radially within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. A first arcuate input stop member is rotatable with one of the circular spline and the dynamic spline and is received within a first arcuate output opening defined by at least a first arcuate output stop member rotatable with the other of the circular spline and the dynamic spline.

SPHERE Of a DEVICE OF SUSPENSION Of a MOTOR VEHICLE, INTEGRAL DESMOYENS SHOCK ABSORBERS

Device for controlling the temperature of a battery, comprising an evaporator for cooling the battery and a radiator for heating the battery

A device that controls a temperature of a battery onboard a motor vehicle includes an air-conditioning circuit of the motor vehicle in which circulates, as a first heat-transfer fluid, an air-conditioning fluid. The air-conditioning circuit includes at least one evaporator for direct transfer of heat emitted by the battery to the air-conditioning fluid and a compressor to increase a pressure and a temperature of the air-conditioning fluid. The device also includes a cooling circuit in which circulates, as a second heat-transfer fluid, a cooling fluid. The cooling circuit includes at least one first heat source to heat the cooling fluid and at least one main radiator to cool the cooling fluid that can be short-circuited. The cooling circuit also includes a battery radiator to directly transfer heat conveyed by the hot cooling fluid to the battery when the main radiator of the cooling circuit is short-circuited.

Kugelkörper mit integrierter Dämpfung für die Aufhängungsvorrichtung eines Kraftfahrzeuges

AXIALLY COMPACT COUPLING FOR A CAMSHAFT PHASER ACTUATED BY ELECTRIC MOTOR

A camshaft phaser includes a housing with a harmonic gear drive unit disposed therein. The harmonic gear drive unit includes a circular spline and a dynamic spline, a flexspline disposed within the circular spline and the dynamic spline, a wave generator disposed within the flexspline, and a rotational actuator connectable to the wave generator. A coupling adapter is disposed coaxially within the housing bore and fixed to the wave generator and supported in the housing by a bearing which is press fit onto a bearing surface of the coupling adapter. The coupling adapter has a coupling adapter bore with opposing drive lugs extending radially inward therefrom which are axially coincident with the bearing surface. A coupling of the rotational actuator is disposed within the coupling adapter bore and has opposing drive slots which receive the opposing drive lugs, thereby transmitting motion from the coupling to the coupling adapter.

HARMONIC DRIVE CAMSHAFT PHASER AND METHOD FOR USING

A camshaft phaser includes a housing with a harmonic gear drive unit disposed therein. The harmonic gear drive unit includes a circular spline and a dynamic spline, a flexspline disposed radially within the circular spline and the dynamic spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed radially within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. An anti-rotation means is provided for temporarily fixing the circular spline to the dynamic spline in order to prevent relative rotation therebetween when the hub is being attached to the camshaft. The anti-rotation means prevents damage to the harmonic gear drive unit while the camshaft phaser is being installed onto the camshaft.

ELECTRIC DRIVE CAMSHAFT PHASER WITH TORQUE RATE LIMIT AT TRAVEL STOPS

A camshaft phaser controllably varies the phase relationship between a crankshaft and a camshaft in an internal combustion engine. The camshaft phaser includes an input member rotatable by the crankshaft. The input member is connected through a gear drive to an output member which is fixed to the camshaft. A rotational actuator acting on the gear drive unit causes relative roation between the input member and the output member. A first stop member is rotatable with the input member in a one-to-one relationship. A second stop member is rotatable with the output member in a one-to-one relationship to limit relative angular travel between the input member and the output member. A torque absorption means is provided for limiting the rate at which torque is applied from the rotational actuator to the gear drive unit when the second stop member makes contact with the first stop member.

Camshaft phaser actuated by an electric motor

A camshaft phaser is provided for controllably varying the phaser relationship between a crankshaft and a camshaft in an internal combustion engine which includes a camshaft bearing for supporting the camshaft and which defines a mounting bore for mounting the camshaft phaser to the internal combustion engine. The camshaft phaser includes a housing with a gear drive unit disposed within the housing. The gear drive unit includes an input gear member and an output gear member such that the input gear member is attachable to the crankshaft and such that the input gear member is attached to an output shaft of an electric motor. The output gear member is attachable to the camshaft such that rotation of the input gear member by the electric motor causes relative rotation between the crankshaft and the camshaft. The camshaft phaser is disposed between the mounting bore and the camshaft bearing.

HARMONIC DRIVE CAMSHAFT PHASER WITH PHASE AUTHORITY STOPS

A camshaft phaser includes a housing with a harmonic gear drive unit disposed therein. The harmonic gear drive unit includes a circular spline and a dynamic spline, a flexspline disposed radially within the circular spline and the dynamic spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed radially within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. A first arcuate input stop member is rotatable with one of the circular spline and the dynamic spline and is received within a first arcuate output opening defined by at least a first arcuate output stop member rotatable with the other of the circular spline and the dynamic spline. 1. A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine , said camshaft phaser comprising:a housing having a bore with a longitudinal axis;a harmonic gear drive unit disposed radially within said housing, said harmonic gear drive unit comprising a circular spline and an axially adjacent dynamic spline, a flexspline disposed radially within said circular spline and said dynamic spline, a wave generator disposed radially within said flexspline, and a rotational actuator connectable to said wave generator, wherein one of said circular spline and said dynamic spline is fixed to said housing in order to prevent relative rotation therebetween;a hub rotatably disposed radially within said housing axially adjacent to said harmonic gear drive unit and attachable to said camshaft and fixed to the other of said circular spline and said dynamic spline in order to prevent relative rotation therebetween;a first advance stop surface fixed to a first surface and projecting axially from said first surface toward a second surface, wherein ...

Camshaft phaser

A camshaft phaser includes a stator having an inner wall with lobes extending radially inward and a stator flange extending radially outward, the stator flange having a plurality of apertures; a rotor coaxially disposed within the stator, the rotor having vanes interspersed with the lobes defining alternating advance chambers and retard chambers; a plurality of compression limiters extending through the apertures; a front cover which closes one end of the advance and retard chambers; a back cover which closes the other end of the advance and retard chambers; and a plurality of fasteners which extend through the apertures such that the fasteners apply a clamping load which clamps the stator between the front cover and the back cover such that the clamping load is transmitted through the compression limiters.

INTERNAL COMBUSTION ENGINE WITH A CAMSHAFT PHASER

An internal combustion engine includes a crankshaft rotatable about a crankshaft axis; a camshaft rotatable by the crankshaft about a camshaft axis; an engine cover defining an engine cover volume within the internal combustion engine; a drive member disposed within the engine cover volume which transfers rotational motion from the crankshaft to the camshaft; a camshaft phaser disposed within the engine cover volume which controllably varies the phase relationship between the crankshaft and the camshaft; an actuator which operates the camshaft phaser; and an actuator mount within the engine cover volume which mounts the actuator structurally independent of the engine cover, thereby allowing removal of the engine cover independently of the actuator.

HARMONIC DRIVE CAMSHAFT PHASER USING OIL FOR LUBRICATION

A camshaft phaser includes a housing with an array of internal splines formed within a bore. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed within the circular spline and the dynamic spline, a wave generator disposed within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. An oil passage is provided for receiving oil from an internal combustion engine for lubricating the harmonic gear drive unit.

Harmonic drive camshaft phaser with a compact drive sprocket

A camshaft phaser includes a housing with an array of internal splines formed within a bore. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed radially within the circular spline and the dynamic spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed radially within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. A back plate has an array of external splines engaged in a sliding fit with the array of internal splines for transmitting torque from the back plate to said housing. The back plate also has an input sprocket for receiving rotational motion, in use.

Harmonic drive camshaft phaser and method for using

A camshaft phaser includes a housing with a harmonic gear drive unit disposed therein. The harmonic gear drive unit includes a circular spline and a dynamic spline, a flexspline disposed radially within the circular spline and the dynamic spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed radially within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. An anti-rotation means is provided for temporarily fixing the circular spline to the dynamic spline in order to prevent relative rotation therebetween when the hub is being attached to the camshaft. The anti-rotation means prevents damage to the harmonic gear drive unit while the camshaft phaser is being installed onto the camshaft.

Electric drive camshaft phaser with torque rate limit at travel stops

A camshaft phaser controllably varies the phase relationship between a crankshaft and a camshaft in an internal combustion engine. The camshaft phaser includes an input member rotatable by the crankshaft. The input member is connected through a gear drive to an output member which is fixed to the camshaft. A rotational actuator acting on the gear drive unit causes relative rotation between the input member and the output member. A first stop member is rotatable with the input member in a one-to-one relationship. A second stop member is rotatable with the output member in a one-to-one relationship to limit relative angular travel between the input member and the output member. A torque absorption means is provided for limiting the rate at which torque is applied from the rotational actuator to the gear drive unit when the second stop member makes contact with the first stop member.

VALVE TRAIN WITH VARIABLE CAM PHASER

A valve train for an internal combustion engine includes a camshaft and a variable cam phaser connected to the camshaft for driving the camshaft. The variable cam phaser includes an input shaft rotationally coupled to a crankshaft drive member; and an output shaft rotationally coupled to the camshaft and coaxial with the input shaft. Electrically operated adjusting means drivingly connect the input and output shafts enabling the input and output shafts to be selectively, angularly adjusted while maintaining driving engagement therebetween. The input and output shafts are coupled to the drive member and camshaft via respective, rotationally stiff, flexible couplings. 1. A valve train for an internal combustion engine comprising a camshaft and a variable cam phaser connected to said camshaft for driving said camshaft , said engine comprising a crankshaft providing a drive torque for said variable cam phaser through a drive member coaxial with said camshaft , wherein said variable cam phaser comprises:an input shaft rotationally coupled to said drive member;an output shaft rotationally coupled to said camshaft and coaxial with said input shaft;an adjusting means drivingly connecting said input and output shafts enabling said input and output shafts to be selectively, angularly adjusted while maintaining driving engagement therebetween, wherein the adjusting means comprise an electric actuator for selectively operating an angular adjustment;wherein said input and output shafts are coupled to said drive member and camshaft via respective, rotationally stiff, flexible coupling means.2. The valve train according to claim 1 , wherein at least one of the rotationally stiff claim 1 , flexible coupling means between said input shaft and drive member and between said output shaft and said camshaft is implemented as a curved teeth coupling.3. The valve train according to claim 2 , wherein one of said input or drive shaft is provided at its inner or outer periphery with axially ...

METHOD OF IMAGING AND MILLING A SAMPLE

The invention relates to a method for grinding and imaging a sample. The method includes the steps of providing an imaging system and abrading a beam source. The method comprises the steps of: abrading a sample using an abrasive beam from the abrasive beam source to remove layers of the sample; and imaging the exposed surface of the sample using the imaging system. As defined herein, the method further includes the steps of determining a relative position of the sample, and using the determined relative position of the sample in the grinding step for positioning the sample relative to the grinding beam. The relative position of the sample may be a working distance relative to the imaging system, which may be determined by means of an autofocus procedure.

SEALING COLLAR

A sealing collar is provided on a body in which the body has a cylindrical wall on which a hole emerges and a fluid situated in the body is able to escape through the hole. The sealing collar includes a fixing band entirely surrounding the cylindrical wall. The fixing band has a sealing portion to sealedly obturate the hole and a means for closing and tightening the fixing band. The fixing band is provided with at least one claw extending in the direction of the cylindrical wall so that on closing and tightening of the fixing band around the cylindrical wall, the hole is sealedly obturated and the claw is pressed against the cylindrical wall and contributes to immobilizing the sealing collar on the body. 1. An arrangement of a sealing collar on a body in which the body has a cylindrical wall on which a hole emerges , a fluid situated in the body being able to escape through the hole , the sealing collar comprising:a fixing band entirely surrounding the cylindrical wall, the fixing band having a sealing portion to sealedly obturate the hole,a means for closing and tightening of the fixing band, andat least one claw extending from the fixing band in the direction of the cylindrical wall so that on closing and tightening of the fixing band around the cylindrical wall, the hole is sealedly obturated and the claw is pressed against the cylindrical wall and contributes to immobilising the collar on the body.2. An arrangement as described in in which the sealing portion of the fixing band has no claw.3. An arrangement as described in in which the claw extends from an edge of the fixing band.4. An arrangement as described in in which the fixing band is provided with a plurality of claws.5. A machine comprising a cylindrical body containing a fluid claim 1 , the body being provided with an emerging radial hole claim 1 , the machine also comprising a collar for sealing the hole claim 1 , the collar comprising:a fixing band entirely surrounding the cylindrical body, the band ...

DEVICE FOR CONTROLLING THE TEMPERATURE OF A BATTERY, COMPRISING AN EVAPORATOR FOR COOLING THE BATTERY AND A RADIATOR FOR HEATING THE BATTERY

A device that controls a temperature of a battery onboard a motor vehicle includes an air-conditioning circuit of the motor vehicle in which circulates, as a first heat-transfer fluid, an air-conditioning fluid. The air-conditioning circuit includes at least one evaporator for direct transfer of heat emitted by the battery to the air-conditioning fluid and a compressor to increase a pressure and a temperature of the air-conditioning fluid. The device also includes a cooling circuit in which circulates, as a second heat-transfer fluid, a cooling fluid. The cooling circuit includes at least one first heat source to heat the cooling fluid and at least one main radiator to cool the cooling fluid that can be short-circuited. The cooling circuit also includes a battery radiator to directly transfer heat conveyed by the hot cooling fluid to the battery when the main radiator of the cooling circuit is short-circuited. 19-. (canceled)10. A device for controlling a temperature of a battery onboard a motor vehicle , the temperature control device comprising:an air-conditioning circuit of the motor vehicle in which circulates, as a first heat-transfer fluid, an air-conditioning fluid, the air-conditioning circuit including at least one evaporator for direct transfer of heat emitted by the battery to the air-conditioning fluid, a compressor to increase a pressure and a temperature of the air-conditioning fluid;a cooling circuit in which circulates, as a second heat-transfer fluid, a cooling fluid, the cooling circuit including at least one first heat source adapted to heat the cooling fluid and at least one main radiator to cool the cooling fluid that can be short-circuited;wherein the cooling circuit includes a battery radiator as a second, secondary radiator to directly transfer heat conveyed by the hot cooling fluid to the battery when the main radiator of the cooling circuit is short-circuited.11. The temperature control device as claimed in claim 10 , wherein the cooling ...

Harmonic drive camshaft phaser with a harmonic drive ring to prevent ball cage deflection

A camshaft phaser includes a housing. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed within the circular spline and the dynamic spline, a wave generator disposed within the flexspline, and a rotational actuator connectable to the wave generator. A wave generator bearing includes an inner race with an inner race axial end, an outer race, a plurality of balls between the inner and outer races, and a ball cage. The ball cage includes an annular section disposed axial from the balls proximal to the inner race axial end and a plurality of ball separators such that consecutive balls are separated by one of the ball separators. A rigid support ring extends axially beyond the inner race axial end toward the annular section to limit axial distortion of the annular section.

Harmonic drive camshaft phaser using oil for lubrication

A camshaft phaser includes a housing with an array of internal splines formed within a bore. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed within the circular spline and the dynamic spline, a wave generator disposed within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. An oil passage is provided for receiving oil from an internal combustion engine for lubricating the harmonic gear drive unit.

AXIALLY COMPACT ELECTRICALLY DRIVEN CAMSHAFT PHASER

A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft of an internal combustion engine includes a housing having a bore with an open and extending along a longitudinal axis. The camshaft phaser also includes a harmonic gear drive unit having an outer first spline, an outer second spline which is axially adjacent to the outer first spline and disposed within the housing, a flexspline disposed radially within the outer first spline and the outer second spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator such that rotation of the rotational actuator causes relative rotation between the outer first spline and the outer second spline. The outer first spline is fixed to the housing in order to prevent relative rotation therebetween and serves to close the open end of the housing.

HARMONIC DRIVE CAMSHAFT PHASER WITH A COMPACT DRIVE SPROCKET

A camshaft phaser includes a housing with an array of internal splines formed within a bore. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed radially within the circular spline and the dynamic spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator. One of the circular spline and the dynamic spline is fixed to the housing. A hub is rotatably disposed radially within the housing and attachable to the camshaft and fixed to the other of the circular spline and the dynamic spline. A back plate has an array of external splines engaged in a sliding fit with the array of internal splines for transmitting torque from the back plate to said housing. The back plate also has an input sprocket for receiving rotational motion, in use.

CAMSHAFT PHASER

An internal combustion includes a crankshaft and a camshaft rotatable by the crankshaft. The internal combustion engine also includes an oil source, an engine cover, and a drive member disposed within the engine cover for transferring rotational motion from the crankshaft to the camshaft. A camshaft phaser actuated by an electric motor is disposed within the engine cover for controllably varying the phase relationship between the crankshaft and the camshaft. A supply passage communicates oil from the oil source to the camshaft phaser in order to lubricate the camshaft phaser and a drain passage drains oil from the camshaft phaser to the oil source. A sealing arrangement defines a dry zone within the engine cover to isolate the drive member from oil used to lubricate the camshaft phaser. The sealing arrangement includes an electric motor to camshaft phaser seal to seal between the electric motor and the camshaft phaser. 1. An internal combustion engine having a crankshaft rotatable about a crankshaft axis and a camshaft rotatable by the crankshaft about a camshaft axis , said internal combustion engine comprising:a) an oil source;b) an engine cover;c) a drive member disposed within said engine cover for transferring rotational motion from said crankshaft to said camshaft; i) an input member driven by said drive member;', 'ii) an output member rotatable with said camshaft;', 'iii) a gear drive unit connecting said input member to said output member; and', 'iv) an electric motor connected to said gear drive unit to impart rotation on said gear drive unit such that rotation of said gear drive unit causes relative rotation between said input member and said output member;, 'd) a camshaft phaser disposed within said engine cover for controllably varying the phase relationship between said crankshaft and said camshaft, said camshaft phaser comprisinge) a supply passage for communicating oil, in use, from said oil source to said camshaft phaser in order to lubricate said ...

Harmonic drive camshaft phaser with improved radial stability

Improved stiffening and minimized distortion of a housing for an eVCP achieved by forming a plurality of radial housing stiffeners into the housing around the motor mount end and into the eVCP's hub. A back plate is press fit into the rear of the housing, and a straight axial knurl is applied to the surface of the back plate or housing, which knurl permits a larger tolerance-higher press fit class to be used without resulting in significant deformation of the housing. The knurled back plate is harder than the housing, causing the high points of the knurl to plastically deform or plow the housing material during assembly, resulting in less radial deformation of the bore and the journal bearing. An interface between the housing and the hub provides a journal bearing interface to improve axial stability between the hub and housing.

Valve train with variable cam phaser

A valve train for an internal combustion engine includes a camshaft and a variable cam phaser connected to the camshaft for driving the camshaft. The variable cam phaser includes an input shaft rotationally coupled to a crankshaft drive member; and an output shaft rotationally coupled to the camshaft and coaxial with the input shaft. Electrically operated adjusting means drivingly connect the input and output shafts enabling the input and output shafts to be selectively, angularly adjusted while maintaining driving engagement therebetween. The input and output shafts are coupled to the drive member and camshaft via respective, rotationally stiff, flexible couplings.

Electrically actuated camshaft phaser

A camshaft phaser includes a housing having a housing bore extending along an axis and a plurality of lobes extending radially inward. The camshaft phaser also includes a stroke limiter having a central hub with a plurality of vanes extending radially outward such that the vanes are interspersed with lobes. The camshaft phaser also includes a harmonic gear drive unit disposed operationally between the housing and the stroke limiter, the harmonic gear drive unit being connected to a rotational actuator for imparting rotation on the harmonic gear drive unit such that rotation of the harmonic gear drive unit by the rotational actuator causes relative rotation between the housing and the stroke limiter. The amount of relative rotation between the housing and the stroke limiter is limited by at least one of the plurality of lobes and at least one of the plurality of vanes.

ASSEMBLY WITH GUIDANCE OF AN ELONGATE THIN LIP IN AN ELONGATE NARROW SLOT AND APPLICATION TO THE ASSEMBLING OF AN AIR GUIDE ON A NOZZLE

An assembly of a first element with a second element includes an elongate thin lip belonging to the second element being inserted in an elongate narrow slot formed by three sides of an elongate flat plate fixed in parallel to a flat wall of the first element. At least one element forming a guide is secured to a long side of the elongate flat plate forming an edge of the slot. The element forming a guide includes a sliding surface extending in the continuation of the elongate flat plate and diverging from the flat wall away from the first element. The at least one element forming a guide cooperates with the lip so that the insertion of the lip into the slot begins with the sliding of the lip on the sliding surface and then continues as the lip advances, with progressive insertion of the lip into the slot. 110-. (canceled)11. An assembly , comprising:a first element assembled with a second element, including an elongate thin lip belonging to the second element being inserted in an elongate narrow slot formed by three sides of an elongate flat plate fixed in parallel to a flat wall of the first element,wherein at least one element forming a guide is secured to along side of said elongate flat plate forming an edge of the slot,wherein said element forming a guide comprising a sliding surface extending in the continuation of said elongate flat plate and diverging from the flat wall away from the first element,wherein said a east one element forming a guide cooperates with the lip so that the insertion of the lip into the slot begins with the sliding of the lip on the sliding surface and then continues as the lip advances, with progressive insertion of the lip into the slot,12. The assembly as claimed in claim 11 , wherein the sliding surface of the element forming a guide is a flat surface forming a plane which is inclined relative to said elongate flat plate.13. The assembly as claimed in claim 12 , wherein the sliding surface comprises laterally two areas of greater ...

CAMSHAFT PHASER

An internal combustion includes a crankshaft and a camshaft rotatable by the crankshaft. The internal combustion engine also includes an oil source, an engine cover, and a drive member disposed within the engine cover for transferring rotational motion from the crankshaft to the camshaft. A camshaft phaser actuated by an electric motor is disposed within the engine cover for controllably varying the phase relationship between the crankshaft and the camshaft. A supply passage communicates oil from the oil source to the camshaft phaser in order to lubricate the camshaft phaser and a drain passage drains oil from the camshaft phaser to the oil source. A sealing arrangement defines a dry zone within the engine cover to isolate the drive member from oil used to lubricate the camshaft phaser.

Harmonic drive camshaft phaser with bias spring

An eVCP camshaft phaser comprising a harmonic gear drive unit having a circular spline and a dynamic spline linked by a common flexspline, and a single wave generator disposed within the flexspline. The circular spline is connectable to either of a crankshaft-connectable sprocket or an engine camshaft, the dynamic spline being connectable to the other thereof. The wave generator is driven selectively by an eMotor to cause the dynamic spline to rotate past the circular spline, thereby changing the phase relationship between the crankshaft and the camshaft. A coaxial coil spring is connected to the sprocket and to the phaser hub and is positioned and tensioned to bias the phaser and camshaft to a stop position wherein the engine can run or be restarted after the eMotor is de-energized. Preferably, the spring comprises a spring cassette for easy assembly into the eVCP.

Modular electrically actuated camshaft phaser

A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft of an internal combustion engine includes a housing connectable to the crankshaft and having a housing bore extending therethrough along an axis. A back cover is attached to one axial end of the housing while a front cover is attached to the other axial end of the housing. An output hub connectable to the camshaft is disposed coaxially within the housing and captured axially between the back cover and the front cover. A harmonic gear drive unit is disposed operationally between the housing and the output hub and is connected to a rotational actuator for imparting rotation on the harmonic gear drive unit such that rotation of the harmonic gear drive unit by the rotational actuator causes relative rotation between the housing and the output hub.

SYSTEM AND METHOD FOR COOLING AN ELECTRICAL COMPONENT OF A VEHICLE

The invention relates to a system and method for cooling electrical components of a vehicle. A cooling system for a capacitor may include a housing for a capacitor, the housing including a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including a bottom inlet manifold and a bottom outlet manifold, the bottom inlet manifold and the bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold in fluid communication with the inlet side channel; and an ejection port manifold extending along the top surface, the ejection port manifold being in fluid communication ...

SYSTEM AND METHOD FOR COOLING AN ELECTRICAL COMPONENT OF A VEHICLE

The invention relates to a system and method for cooling electrical components of a vehicle. A cooling system for a capacitor may include a housing for a capacitor, the housing including a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including a bottom inlet manifold and a bottom outlet manifold, the bottom inlet manifold and the bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold in fluid communication with the inlet side channel; and an ejection port manifold extending along the top surface, the ejection port manifold being in fluid communication ...

Harmonic Drive Camshaft Phaser with a Harmonic Drive Ring to Prevent Ball Cage Deflection

A camshaft phaser includes a housing. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed within the circular spline and the dynamic spline, a wave generator disposed within the flexspline, and a rotational actuator connectable to the wave generator. A wave generator bearing includes an inner race with an inner race axial end, an outer race, a plurality of balls between the inner and outer races, and a ball cage. The ball cage includes an annular section disposed axial from the balls proximal to the inner race axial end and a plurality of ball separators such that consecutive balls are separated by one of the ball separators. A rigid support ring extends axially beyond the inner race axial end toward the annular section to limit axial distortion of the annular section.

Internal combustion engine with a camshaft phaser

An internal combustion engine includes a crankshaft rotatable about a crankshaft axis; a camshaft rotatable by the crankshaft about a camshaft axis; an engine cover defining an engine cover volume within the internal combustion engine; a drive member disposed within the engine cover volume which transfers rotational motion from the crankshaft to the camshaft; a camshaft phaser disposed within the engine cover volume which controllably varies the phase relationship between the crankshaft and the camshaft; an actuator which operates the camshaft phaser; and an actuator mount within the engine cover volume which mounts the actuator structurally independent of the engine cover, thereby allowing removal of the engine cover independently of the actuator.

AXIALLY COMPACT ELECTRICALLY DRIVEN CAMSHAFT PHASER

A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft of an internal combustion engine includes a housing having a bore with an open and extending along a longitudinal axis. The camshaft phaser also includes a harmonic gear drive unit having an outer first spline, an outer second spline which is axially adjacent to the outer first spline and disposed within the housing, a flexspline disposed radially within the outer first spline and the outer second spline, a wave generator disposed radially within the flexspline, and a rotational actuator connectable to the wave generator such that rotation of the rotational actuator causes relative rotation between the outer first spline and the outer second spline. The outer first spline is fixed to the housing in order to prevent relative rotation therebetween and serves to close the open end of the housing. 1. A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine , said camshaft phaser comprising:a housing having a bore with an open end and extending along a longitudinal axis; anda harmonic gear drive unit comprising an outer first spline, an outer second spline which is axially adjacent to said outer first spline and disposed within said housing, a flexspline disposed radially within said outer first spline and said outer second spline, a wave generator disposed radially within said flexspline, and a rotational actuator connectable to said wave generator such that rotation of said rotational actuator causes relative rotation between said outer first spline and said outer second spline, wherein said outer first spline is fixed to said housing in order to prevent relative rotation therebetween and serves to close said open end of said housing.2. A camshaft phaser as in further comprising an output hub rotatably disposed coaxially within said housing axially adjacent to said harmonic gear drive unit ...

MODULAR ELECTRICALLY ACTUATED CAMSHAFT PHASER

A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft of an internal combustion engine includes a housing connectable to the crankshaft and having a housing bore extending therethrough along an axis. A back cover is attached to one axial end of the housing while a front cover is attached to the other axial end of the housing. An output hub connectable to the camshaft is disposed coaxially within the housing and captured axially between the back cover and the front cover. A harmonic gear drive unit is disposed operationally between the housing and the output hub and is connected to a rotational actuator for imparting rotation on the harmonic gear drive unit such that rotation of the harmonic gear drive unit by the rotational actuator causes relative rotation between the housing and the output hub. 1. A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine , said camshaft phaser comprising:a housing connectable to said crankshaft and having a housing bore extending therethrough along an axis;a back cover attached to one axial end of said housing;a front cover attached to another axial end of said housing;an output hub connectable to said camshaft and disposed coaxially within said housing and captured axially between said back cover and said front cover; anda harmonic gear drive unit disposed operationally between said housing and said output hub, said harmonic gear drive unit being connected to a rotational actuator for imparting rotation on said harmonic gear drive unit such that rotation of said harmonic gear drive unit by said rotational actuator causes relative rotation between said housing and said output hub.2. A camshaft phaser as in wherein said back cover is clamped to said housing.3. A camshaft phaser as in wherein said front cover is clamped to said housing.4. A camshaft phaser as in wherein said housing is clamped between said ...

CAMSHAFT PHASER

An internal combustion engine includes a crankshaft rotatable about a crankshaft axis and a camshaft rotatable by the crankshaft about a camshaft axis. The internal combustion engine also includes an oil supply, an engine cover, and a drive member disposed within the engine cover for transferring rotational motion from the crankshaft to the camshaft. A camshaft phaser is disposed within the engine cover for controllably varying the phase relationship between the crankshaft and the camshaft by using oil from the oil supply. A sealing arrangement defines a dry zone to isolate the drive member from oil used to rotate the output member relative to the input member. 1. An internal combustion engine having a crankshaft rotatable about a crankshaft axis and a camshaft rotatable by said crankshaft about a camshaft axis , said internal combustion engine comprising:a) an oil supply;b) an engine cover;c) a drive member disposed within said engine cover for transferring rotational motion from said crankshaft to said camshaft; i) an input member driven by said drive member;', 'ii) an output member rotatable with said camshaft wherein said output member is rotatable relative to said input member by oil from said oil supply, thereby varying the phase relationship between said crankshaft and said camshaft; and', 'iii) a valve spool within said camshaft phaser and moveable therein between 1) an advance position to direct oil from said oil supply to cause said input member to rotate relative to said output member to advance said camshaft relative to said crankshaft and 2) a retard position to direct oil from said oil supply to cause said input member to rotate relative to said output member to retard said camshaft relative to said crankshaft;, 'd) a camshaft phaser disposed within said engine cover for controllably varying the phase relationship between said crankshaft and said camshaft, said camshaft phaser comprisinge) an actuator for moving said valve spool between said advance ...

Electrically actuated camshaft phaser

A camshaft phaser includes a housing having a housing bore extending along an axis and a plurality of lobes extending radially inward. The camshaft phaser also includes a stroke limiter having a central hub with a plurality of vanes extending radially outward such that the vanes are interspersed with lobes. The camshaft phaser also includes a harmonic gear drive unit disposed operationally between the housing and the stroke limiter, the harmonic gear drive unit being connected to a rotational actuator for imparting rotation on the harmonic gear drive unit such that rotation of the harmonic gear drive unit by the rotational actuator causes relative rotation between the housing and the stroke limiter. The amount of relative rotation between the housing and the stroke limiter is limited by at least one of the plurality of lobes and at least one of the plurality of vanes.

CAMSHAFT PHASER ACTUATED BY AN ELECTRIC MOTOR

A camshaft phaser is provided for controllably varying the phaser relationship between a crankshaft and a camshaft in an internal combustion engine which includes a camshaft bearing for supporting the camshaft and which defines a mounting bore for mounting the camshaft phaser to the internal combustion engine. The camshaft phaser includes a housing with a gear drive unit disposed within the housing. The gear drive unit includes an input gear member and an output gear member such that the input gear member is attachable to the crankshaft and such that the input gear member is attached to an output shaft of an electric motor. The output gear member is attachable to the camshaft such that rotation of the input gear member by the electric motor causes relative rotation between the crankshaft and the camshaft. The camshaft phaser is disposed between the mounting bore and the camshaft bearing. 1. A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine , said internal combustion engine having a camshaft bearing for supporting said camshaft , said internal combustion engine defining a mounting bore for mounting said camshaft phaser to said internal combustion engine , said camshaft phaser comprising:a housing;a gear drive unit disposed within said housing, said gear drive unit having an input gear member and an output gear member, the input gear member being attachable to said crankshaft and being attached to an output shaft of an electric motor, said output gear member being attachable to said camshaft such that rotation of said input gear member by said electric motor causes relative rotation between said crankshaft and said camshaft;wherein said camshaft phaser is disposed between said mounting bore and said camshaft bearing.2. A camshaft phaser as in wherein said housing includes a mounting tube extending axially therefrom and into said mounting bore of said internal combustion engine such ...

CAMSHAFT PHASER

A camshaft phaser includes a stator having an inner wall with lobes extending radially inward and a stator flange extending radially outward, the stator flange having a plurality of apertures; a rotor coaxially disposed within the stator, the rotor having vanes interspersed with the lobes defining alternating advance chambers and retard chambers; a plurality of compression limiters extending through the apertures; a front cover which closes one end of the advance and retard chambers; a back cover which closes the other end of the advance and retard chambers; and a plurality of fasteners which extend through the apertures such that the fasteners apply a clamping load which clamps the stator between the front cover and the back cover such that the clamping load is transmitted through the compression limiters. 1. A camshaft phaser for use with an internal combustion engine for controllably varying the phase relationship between a crankshaft and a camshaft in said internal combustion engine , said camshaft phaser comprising:a stator extending along an axis and having an inner stator wall, said inner stator wall including a plurality of lobes extending radially inward therefrom and a stator flange extending radially outward therefrom, said stator flange having a plurality of stator flange apertures extending therethrough;a rotor coaxially disposed within said stator, said rotor having a plurality of vanes interspersed with said plurality of lobes defining a plurality of alternating advance chambers and retard chambers extending axially from a back end to a front end;a plurality of compression limiters, each one of said plurality of compression limiters extending through a respective one of said plurality of stator flange apertures;a front cover which closes said front end of said plurality of advance chambers and said plurality of retard chambers;a back cover which closes said back end of said plurality of advance chambers and said plurality of retard chambers; anda ...

Camshaft phaser

An internal combustion engine (10) includes a crankshaft (12) rotatable about a crankshaft axis (14) and a camshaft (16) rotatable by the crankshaft (12) about a camshaft axis (20). The internal combustion engine (10) also includes an oil supply (44), an engine cover (28,28',28"), and a drive member (26) disposed within the engine cover (28,28',28") for transferring rotational motion from the crankshaft (12) to the camshaft (16). A camshaft phaser (22) is disposed within the engine cover (28,28',28") for controllably varying the phase relationship between the crankshaft (12) and the camshaft (16) by using oil from the oil supply (44). A sealing arrangement defines a dry zone (110) to isolate the drive member (26) from oil used to rotate the output member (32) relative to the input member (30).

Camshaft phaser

An internal combustion includes a crankshaft and a camshaft rotatable by the crankshaft. The internal combustion engine also includes an oil source, an engine cover, and a drive member disposed within the engine cover for transferring rotational motion from the crankshaft to the camshaft. A camshaft phaser actuated by an electric motor is disposed within the engine cover for controllably varying the phase relationship between the crankshaft and the camshaft. A supply passage communicates oil from the oil source to the camshaft phaser in order to lubricate the camshaft phaser and a drain passage drains oil from the camshaft phaser to the oil source. A sealing arrangement defines a dry zone within the engine cover to isolate the drive member from oil used to lubricate the camshaft phaser. The sealing arrangement includes an electric motor to camshaft phaser seal to seal between the electric motor and the camshaft phaser.

Fluid mass flow measurement device

Un dispositif de mesure (1) du débit massique (Qm) d’un fluide à partir de mesures du débit volumique (Q), de la permittivité (ε) et de la température (T), ledit dispositif de mesure (1) comprenant au moins une enveloppe (8) comprenant : au moins un canal (10) de circulation du fluide comprenant au moins une entrée de fluide (11) et au moins une sortie de fluide (12), au moins un débitmètre à ultrasons (2) configuré pour mesurer le débit volumique (Q) de fluide circulant dans ledit canal (10), au moins un capteur de température (3) configuré pour mesurer la température (T) du fluide dans ledit canal (10) et au moins un capteur capacitif (4) configuré pour mesurer la permittivité (ε) du fluide dans ledit canal (10). Figure de l’abrégé : Figure 3  

SEAL NECKLACE

GUIDED ASSEMBLY OF AN EXTENDED SLICED LIP IN AN EXTENDED NARROW SLOT AND APPLICATION TO THE ASSEMBLY OF AN AIR GUIDE ON A NOZZLE

SYSTEM AND METHOD FOR CONTROLLING A FAN IN A MOTOR VEHICLE

GUIDED ASSEMBLY OF AN EXTENDED SLICED LIP IN AN EXTENDED NARROW SLOT AND APPLICATION TO THE ASSEMBLY OF AN AIR GUIDE ON A NOZZLE

L'assemblage d'un premier élément (2), tel qu'une buse de ventilateur, avec un second élément (1), tel qu'un guide d'air, est réalisé par l'assemblage d'une lèvre mince allongée (16) appartenant au second élément (1) dans une fente étroite allongée (10) formée par les trois côtés d'une plaque plane allongée (6) fixée parallèlement à une paroi plane (4) du premier élément (2). La fente (10) comprend au moins un élément formant guide (11-12) solidaire d'un grand côté (8) de la plaque (6). Cet élément formant guide comporte une surface de glissement (11a-12a) dans le prolongement de ladite plaque (6) et s'écartant de la paroi (4) en s'éloignant du premier élément. Il est agencé pour coopérer avec la lèvre (16) afin que l'introduction de la lèvre (16) dans la fente (10) commence par le glissement de la lèvre sur la surface de glissement et se poursuive lors de l'avancée de la lèvre (16) par l'introduction progressive de la lèvre dans la fente. The assembly of a first element (2), such as a fan nozzle, with a second element (1), such as an air guide, is achieved by assembling an elongated thin lip ( 16) belonging to the second element (1) in an elongate narrow slot (10) formed by the three sides of an elongate flat plate (6) fixed parallel to a plane wall (4) of the first element (2). The slot (10) comprises at least one guide member (11-12) integral with a long side (8) of the plate (6). This guide member has a sliding surface (11a-12a) in the extension of said plate (6) and away from the wall (4) away from the first element. It is arranged to cooperate with the lip (16) so that the introduction of the lip (16) in the slot (10) begins with the sliding of the lip on the sliding surface and continues during the advance of the lip (16) by gradually introducing the lip into the slot.

FLEXIBLE AIR GUIDE FOR FRONT PANEL OF MOTOR VEHICLE AND VEHICLE THUS EQUIPPED

L'invention concerne un guide d'air (10) destiné à être intégré à l'avant d'un véhicule entre une face avant technique et une façade avant dudit véhicule, caractérisé en ce que le guide d'air (10) est réalisé en un matériau souple étanche à l'air définissant : - au moins une première ouverture (12, 14), au moins une deuxième ouverture (16) - au moins un canal de guidage (18) reliant ladite au moins une première ouverture à ladite au moins une deuxième ouverture, et en ce qu'il comprend des moyens de fixation aptes à fixer au moins une ouverture à un élément du véhicule

FRONT PART OF A MOTOR VEHICLE COMPRISING A MODULAR AIR GUIDE IN FRONT OF A TECHNICAL FRONT PANEL

Method for characterizing a fluid

Un procédé de caractérisation d’un fluide dans un circuit comprenant : une première étape de mesure (E1) d’une première température et d’une première permittivité à un premier instant et à une première position du circuit, formant un premier couple de mesure (K1), une première étape de comparaison (E2) dudit premier couple (K1) à une base de données (12), de manière à déterminer une première sélection de fluides (S1), une deuxième étape de mesure (E3) d’une deuxième température et d’une deuxième permittivité à un deuxième instant et à une deuxième position du circuit, formant un deuxième couple de mesure (K2), une deuxième étape de comparaison (E4) dudit deuxième couple (K2) à ladite base (12), de manière à déterminer une deuxième sélection de fluides (S2), et une étape d’identification (E5) du fluide par intersection de la première et de la deuxième sélection (S1, S2). Figure de l’abrégé : Figure 5   A method of characterizing a fluid in a circuit comprising: a first measurement step (E1) of a first temperature and a first permittivity at a first instant and at a first position of the circuit, forming a first measurement pair (K1), a first step of comparison (E2) of said first pair (K1) with a database (12), so as to determine a first selection of fluids (S1), a second step of measurement (E3) of a second temperature and a second permittivity at a second instant and at a second position of the circuit, forming a second measurement pair (K2), a second step of comparison (E4) of said second pair (K2) with said base (12) ), so as to determine a second selection of fluids (S2), and a step of identification (E5) of the fluid by intersection of the first and of the second selection (S1, S2). Abstract figure: Figure 5

FLEXIBLE AIR GUIDE FOR FRONT PANEL OF MOTOR VEHICLE AND VEHICLE THUS EQUIPPED

Method for characterizing a fluid

Un procédé de caractérisation d’un fluide dans un circuit comprenant : une première étape de mesure (E1) d’une première température et d’une première permittivité à un premier instant et à une position de mesure du circuit, formant un premier couple de mesure (K1), une première étape de comparaison (E2) dudit premier couple (K1) à une base de données (12), de manière à déterminer une première sélection de fluides (S1), une deuxième étape de mesure (E3) d’une deuxième température et d’une deuxième permittivité à un deuxième instant et à ladite position de mesure, formant un deuxième couple de mesure (K2), une deuxième étape de comparaison (E4) dudit deuxième couple (K2) à ladite base (12), de manière à déterminer une deuxième sélection de fluides (S2), et une étape d’identification (E5) du fluide par intersection de la première et de la deuxième sélection (S1, S2). Figure de l’abrégé : Figure 5   A method of characterizing a fluid in a circuit comprising: a first measurement step (E1) of a first temperature and a first permittivity at a first instant and at a measurement position of the circuit, forming a first pair of measurement (K1), a first step of comparison (E2) of said first pair (K1) with a database (12), so as to determine a first selection of fluids (S1), a second step of measurement (E3) d 'a second temperature and a second permittivity at a second instant and at said measuring position, forming a second measuring pair (K2), a second step of comparing (E4) said second pair (K2) with said base (12) ), so as to determine a second selection of fluids (S2), and a step of identification (E5) of the fluid by intersection of the first and of the second selection (S1, S2). Abstract figure: Figure 5

Harmonic drive camshaft phaser with bias spring

DEVICE FOR THERMALLY CONDITIONING A BATTERY OF AN ELECTRIC OR HYBRID VEHICLE DURING RAPID RECHARGE

La présente invention concerne un dispositif pour conditionner thermiquement la batterie d'un véhicule électrique ou hybride durant une recharge du véhicule branché sur un réseau de distribution. Le dispositif comporte un circuit de conditionnement thermique de la batterie dans lequel circule un fluide caloporteur. Il comporte en outre un circuit de climatisation dans lequel circule un fluide frigorigène sous l'action d'un compresseur, le circuit de climatisation étant relié thermiquement par un échangeur au circuit de conditionnement, le compresseur étant apte à être alimenté durant la recharge par le réseau de distribution, de sorte que le fluide caloporteur soit refroidi durant la recharge par le circuit de climatisation. Application : véhicules électriques ou hybrides, aéronautique The present invention relates to a device for thermally conditioning the battery of an electric or hybrid vehicle during charging of the vehicle connected to a distribution network. The device comprises a thermal conditioning circuit of the battery in which circulates a heat transfer fluid. It further comprises an air conditioning circuit in which a refrigerant circulates under the action of a compressor, the air conditioning circuit being thermally connected by an exchanger to the conditioning circuit, the compressor being able to be powered during charging by the compressor. distribution network, so that the heat transfer fluid is cooled during charging by the air conditioning circuit. Application: electric or hybrid vehicles, aeronautics

Wrench for clamping nuts to radial holes, has end piece and lever arranged perpendicular to rod, where lever includes indentation for pushing end piece, and indentation comprises axis passing in front of concave face

The wrench has an end piece (1) including a concave face (5) to support nuts and a pin (6) engaged in holes. The pin is protruded on the concave face, and includes a handle (2). The handle comprises a rod (3) and a lever (4). The end piece and the lever are arranged perpendicular to the rod. The lever includes an indentation (8) for pushing the end piece. The indentation comprises an axis passing in front of the concave face. The concave face is in an arc of circle, and the axis of the indentation passes through center of the circle.

System and method for controlling a fan in an automobile

FOLDING FRILLABLE AIR GUIDE FOR FRONT PANEL OF MOTOR VEHICLE AND VEHICLE THUS EQUIPPED

L'invention concerne un guide d'air (10) destiné à être intégré à l'avant d'un véhicule entre une face avant technique et une façade avant dudit véhicule, définissant un canal de guidage d'air (12) ouvert à ses deux extrémités (14, 16), caractérisé en ce que le guide d'air est réalisé en un matériau souple étanche à l'air et en ce qu'il présente une structure flexible (20) enroulable sous l'effet d'une contrainte, ladite structure flexible étant solidarisée audit matériau souple de manière à tendre ce dernier lorsque ladite structure flexible enroulable n'est pas contrainte The invention relates to an air guide (10) intended to be integrated into the front of a vehicle between a technical front face and a front face of said vehicle, defining an air guide channel (12) open to its members. two ends (14, 16), characterized in that the air guide is made of a flexible airtight material and in that it has a flexible structure (20) which can be rolled up under the effect of a constraint said flexible structure being secured to said flexible material so as to tension the latter when said flexible rollable structure is not constrained

VARIABLE ADJUSTMENT DEVICE WITH CALIBRATED SECTIONS.

Un dispositif d'ajutage (1) comprend -un corps (2) définissant un espace de circulation de fluide entre une entrée de fluide (7) et une sortie de fluide (8) -un élément d'obturation (3) traversé au moins par un premier orifice calibré (10) et par un deuxième orifice calibré (9) distinct du premier, de forme et/ou de dimensions différentes du premier orifice, l'élément d'obturation étant monté inséré dans le corps de manière à être mobile par rapport au corps, le dispositif d'ajutage étant agencé de sorte que l'élément d'obturation peut passer d'un première position dans laquelle le dispositif d'ajutage impose au fluide s'écoulant de l'entrée de fluide (7) vers la sortie de fluide (8), de passer par le premier orifice calibré (10), à une deuxième position dans laquelle le dispositif d'ajutage impose au fluide s'écoulant de l'entrée de fluide (7) vers la sortie de fluide (8), de passer par le deuxième orifice calibré (9). A nozzle device (1) comprises a body (2) defining a fluid circulation space between a fluid inlet (7) and a fluid outlet (8) -a closure element (3) traversed at least by a first calibrated orifice (10) and by a second calibrated orifice (9) different from the first, of shape and / or of different dimensions of the first orifice, the shutter element being mounted inserted into the body so as to be movable with respect to the body, the nozzle device being arranged so that the shutter member can pass from a first position in which the nozzle device imposes fluid flowing from the fluid inlet (7). towards the fluid outlet (8), to pass through the first calibrated orifice (10), to a second position in which the nozzle device imposes fluid flowing from the fluid inlet (7) towards the outlet of fluid (8) to pass through the second calibrated orifice (9).

VISUAL BLEEDING DEVICE FOR BIRDS.

System and method for controlling an engine metering valve

Un système de contrôle (4) d’une vanne de dosage (3) de moteur, le système de contrôle (4) comprenant un premier module (40) et un deuxième module (41) distants spatialement, ledit premier module (40) comprenant un dispositif de mesure (1) configuré pour déterminer un signal de mesure (M) du débit (Q) de fluide (C) dosé par la vanne de dosage (3) et une étiquette RFID (10) configurée pour stocker un paramétrage de calibration (P) du dispositif de mesure (1) et fixée audit dispositif de mesure (1), ledit deuxième module (41) comprenant un lecteur RFID (20) configuré pour lire le paramétrage de calibration (P), et un dispositif de pilotage (2), relié au dispositif de mesure (1) et au lecteur RFID (20), configuré pour déterminer, à partir du signal de mesure (M) et du paramétrage de calibration (P), un signal de commande optimisé (S*) pour contrôler la vanne de dosage (3). Figure de l’abrégé : Figure 2 A control system (4) of an engine metering valve (3), the control system (4) comprising a first module (40) and a second module (41) spaced apart, said first module (40) comprising a measuring device (1) configured to determine a measurement signal (M) of the flow rate (Q) of fluid (C) dosed by the dosing valve (3) and an RFID tag (10) configured to store a calibration setting (P) of the measuring device (1) and attached to said measuring device (1), said second module (41) comprising an RFID reader (20) configured to read the calibration setting (P), and a control device ( 2), connected to the measuring device (1) and to the RFID reader (20), configured to determine, from the measurement signal (M) and the calibration setting (P), an optimized control signal (S*) to control the metering valve (3). Abstract Figure: Figure 2

Electric drive camshaft phaser with torque rate limit at travel stops

Modular electrically actuated camshaft phaser

A camshaft phaser (10, 110, 310) for controllably varying the phase relationship between a crankshaft and a camshaft (24) of an internal combustion engine (20) includes a housing (16, 116, 316) connectable to the crankshaft and having a housing bore (44) extending therethrough along an axis (48). A back cover (50) is attached to one axial end of the housing (16, 116, 316) while a front cover (52) is attached to the other axial end of the housing (16, 116, 316). An output hub (22) connectable to the camshaft (24) is disposed coaxially within the housing (16, 116, 316) and captured axially between the back cover (50) and the front cover (52). A harmonic gear drive unit (12) is disposed operationally between the housing (16, 116, 316) and the output hub (22) and is connected to a rotational actuator (14) which imparts rotation on the harmonic gear drive unit (12) such that rotation of the harmonic gear drive unit (12) by the rotational actuator (14) causes relative rotation between the housing (16, 116, 316) and the output hub (22).

Harmonic drive camshaft phaser with a compact drive sprocket

Sphere body with integrated damping means for a vehicle suspension device

A pneumatic suspension unit sphere, consists of an outer rigid envelope divided by a supple membrane (9) into an upper chamber (11) and a lower chamber (12). The upper chamber contains a viscoelastic fluid and is linked to a damper by way of a porous structure (13) made up of balls or an open-celled foam permeated by the fluid.

Thermal regulation device of a battery, comprising a battery cooling evaporator and a battery heating radiator

TIGHTENING KEY OF NUTS WITH RADIAL HOLES

SYSTEM AND METHOD FOR CONTROLLING A FAN IN A MOTOR VEHICLE

Système de commande (1) d'un ventilateur (2) dans un véhicule automobile, le ventilateur (2) coopérant avec au moins un échangeur de chaleur (4) dans lequel circule un fluide frigorigène. Le système de commande comprend un moyen de détermination (11) de la température extérieure (T ), un moyen de détermination (12) de la température (T ) entre l'échangeur (4) et le ventilateur (2) et une unité de contrôle électronique (9) apte à activer le ventilateur (2) en fonction de la température extérieure (T ) et de la température (T ) en amont du ventilateur. Control system (1) of a fan (2) in a motor vehicle, the fan (2) cooperating with at least one heat exchanger (4) in which circulates a refrigerant. The control system comprises a means (11) for determining the outside temperature (T), a means (12) for determining the temperature (T) between the exchanger (4) and the fan (2) and a unit of electronic control (9) able to activate the fan (2) according to the outside temperature (T) and the temperature (T) upstream of the fan.

VARIABLE ADJUSTMENT DEVICE WITH CALIBRATED SECTIONS.

Un dispositif d'ajutage (1) comprend -un corps (2) définissant un espace de circulation de fluide entre une entrée de fluide (7) et une sortie de fluide (8) -un élément d'obturation (3) traversé au moins par un premier orifice calibré (10) et par un deuxième orifice calibré (9) distinct du premier, de forme et/ou de dimensions différentes du premier orifice, l'élément d'obturation étant monté inséré dans le corps de manière à être mobile par rapport au corps, le dispositif d'ajutage étant agencé de sorte que l'élément d'obturation peut passer d'un première position dans laquelle le dispositif d'ajutage impose au fluide s'écoulant de l'entrée de fluide (7) vers la sortie de fluide (8), de passer par le premier orifice calibré (10), à une deuxième position dans laquelle le dispositif d'ajutage impose au fluide s'écoulant de l'entrée de fluide (7) vers la sortie de fluide (8), de passer par le deuxième orifice calibré (9). A nozzle device (1) comprises a body (2) defining a fluid circulation space between a fluid inlet (7) and a fluid outlet (8) -a closure element (3) traversed at least by a first calibrated orifice (10) and by a second calibrated orifice (9) different from the first, of shape and / or of different dimensions of the first orifice, the shutter element being mounted inserted into the body so as to be movable with respect to the body, the nozzle device being arranged so that the shutter member can pass from a first position in which the nozzle device imposes fluid flowing from the fluid inlet (7). towards the fluid outlet (8), to pass through the first calibrated orifice (10), to a second position in which the nozzle device imposes fluid flowing from the fluid inlet (7) towards the outlet of fluid (8) to pass through the second calibrated orifice (9).

System and method for controlling an engine metering valve

Un système de contrôle (4) d’une vanne de dosage (3) de moteur, le système de contrôle (4) comprenant un premier module (40) et un deuxième module (41) distants spatialement, ledit premier module (40) comprenant un dispositif de mesure (1) configuré pour déterminer un signal de mesure (M) du débit (Q) de fluide (C) dosé par la vanne de dosage (3) et une étiquette RFID (10) configurée pour stocker un paramétrage de calibration (P) du dispositif de mesure (1) et fixée audit dispositif de mesure (1), ledit deuxième module (41) comprenant un lecteur RFID (20) configuré pour lire le paramétrage de calibration (P), et un dispositif de pilotage (2), relié au dispositif de mesure (1) et au lecteur RFID (20), configuré pour déterminer, à partir du signal de mesure (M) et du paramétrage de calibration (P), un signal de commande optimisé (S*) pour contrôler la vanne de dosage (3). Figure de l’abrégé : Figure 2 A control system (4) of an engine metering valve (3), the control system (4) comprising a first module (40) and a second module (41) spaced apart, said first module (40) comprising a measuring device (1) configured to determine a measurement signal (M) of the flow rate (Q) of fluid (C) dosed by the dosing valve (3) and an RFID tag (10) configured to store a calibration setting (P) of the measuring device (1) and attached to said measuring device (1), said second module (41) comprising an RFID reader (20) configured to read the calibration setting (P), and a control device ( 2), connected to the measuring device (1) and to the RFID reader (20), configured to determine, from the measurement signal (M) and the calibration setting (P), an optimized control signal (S*) to control the metering valve (3). Figure of the abstract: Figure 2

Air guide of a front face of a motor vehicle

COOLING ASSEMBLY FOR A FUNCTIONAL ORGAN TO BE COOLED COMPRISING A RADIATOR AND A MOTOR-FACTOR SUPPORT

VISUAL BLEEDING DEVICE FOR BIRDS.

ABREGE : Dispositif (100) d'effarouchement visuel d'oiseaux comprenant une surface d'affichage (101) montée sur un support (102) et configurée pour afficher une image dynamique. Le dispositif (100) comprenant des moyens de déplacement (103) configurés pour déplacer le support (102) et une unité centrale (104) configurée pour commander les moyens de déplacement (103) de façon à orienter la surface d'affichage (101) vers les oiseaux à effaroucher. Le dispositif (100) proposé permet via les moyens de déplacement (103) contrôlés par l'unité centrale (104), de rendre la surface d'affichage (101) mobile de sorte que les oiseaux ne peuvent s'habituer à la présence du dispositif (100). Le dispositif (100) selon l'invention permet donc un effarouchement pérenne des oiseaux. ABRIDGING: Apparatus (100) for visual bird scaring comprising a display surface (101) mounted on a support (102) and configured to display a dynamic image. The device (100) comprising displacement means (103) configured to move the carrier (102) and a central unit (104) configured to control the displacement means (103) to orient the display surface (101) to the birds to scare. The device (100) proposed allows via the moving means (103) controlled by the central unit (104), to make the display surface (101) movable so that the birds can not get used to the presence of the device (100). The device (100) according to the invention thus allows a perennial scaring of the birds.

Method of characterizing a fluid

Un procédé de caractérisation d’un fluide dans un circuit comprenant : une première étape de mesure (E1) d’une première température et d’une première permittivité à un premier instant et à une position de mesure du circuit, formant un premier couple de mesure (K1), une première étape de comparaison (E2) dudit premier couple (K1) à une base de données (12), de manière à déterminer une première sélection de fluides (S1), une deuxième étape de mesure (E3) d’une deuxième température et d’une deuxième permittivité à un deuxième instant et à ladite position de mesure, formant un deuxième couple de mesure (K2), une deuxième étape de comparaison (E4) dudit deuxième couple (K2) à ladite base (12), de manière à déterminer une deuxième sélection de fluides (S2), et une étape d’identification (E5) du fluide par intersection de la première et de la deuxième sélection (S1, S2). Figure de l’abrégé : Figure 5   A method of characterizing a fluid in a circuit comprising: a first measurement step (E1) of a first temperature and a first permittivity at a first instant and at a measurement position of the circuit, forming a first pair of measurement (K1), a first step of comparison (E2) of said first pair (K1) with a database (12), so as to determine a first selection of fluids (S1), a second step of measurement (E3) d 'a second temperature and a second permittivity at a second instant and at said measuring position, forming a second measuring pair (K2), a second step of comparing (E4) said second pair (K2) with said base (12) ), so as to determine a second selection of fluids (S2), and a step of identification (E5) of the fluid by intersection of the first and of the second selection (S1, S2). Abstract figure: Figure 5

Harmonic drive camshaft phaser with bias spring

COOLING ASSEMBLY FOR A FUNCTIONAL ORGAN TO BE COOLED COMPRISING A RADIATOR AND A MOTOR-FACTOR SUPPORT

Ensemble de refroidissement de fluide pour un organe fonctionnel à refroidir, disposant d'un radiateur (2), et d'un support (10) comportant une partie centrale (12) de maintien d'un motoventilateur (14), et des bras (20) partant de cette partie centrale, dont les extrémités sont fixés sur les boîtes à eau (6) venant sur les côtés de ce radiateur, caractérisé en ce qu'il comporte sur au moins un bras (20) une butée axiale (50) disposée avant son moyen de fixation d'extrémité (30) sur la boite à eau (6), qui prend appui sur le radiateur (2) pour effectuer un calage axial de ce bras. A fluid cooling assembly for a functional member to be cooled, having a radiator (2), and a support (10) having a central portion (12) for holding a motor fan (14), and arms ( 20) starting from this central part, whose ends are fixed on the water boxes (6) coming from the sides of this radiator, characterized in that it comprises on at least one arm (20) an axial abutment (50) arranged before its end fixing means (30) on the water box (6), which bears on the radiator (2) to perform an axial wedging of the arm.

Système et procédé d'alimentation en carburant d'une chambre de combustion dans un turbomoteur d'aéronef

Un système d'alimentation (S) en carburant (C) de la chambre de combustion (5) dans un turbomoteur d'aéronef (6), comprenant des injecteurs (1) comprenant un premier étage pilote (10), un second étage pilote (16) et un étage principal (13), les étages pilotes (10, 16) étant configurés pour délivrer un débit permanent de carburant (C), l'étage principal (13) étant configuré pour délivrer un débit intermittent de carburant (C), un dispositif de répartition (2) du carburant (C) dans les injecteurs (1) comprenant un circuit primaire (21), un circuit secondaire (22) et une vanne (20) configurée pour répartir le carburant (C) entre le circuit primaire (21) et le circuit secondaire (22), le circuit primaire (21) étant relié au premier étage pilote (10) et à l'étage principal (13), le circuit secondaire (22) étant relié au second étage pilote (16), et un organe de commande (3) de la vanne (20).

Systems and methods for cooling electronic components of a vehicle

A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.

Systems and methods for cooling electronic components of a vehicle

A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.

Systems and methods for cooling electronic components of a vehicle

A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.

Systems and methods for cooling electronic components of a vehicle

A method of cooling electrical components of a vehicle comprises directing coolant through a capacitor housing (102) into a power module (106) containing one or more inverters. The capacitor housing (102) preferably encloses a capacitor (104), and the capacitor housing (102) is preferably formed substantially of plastic.

Systems and methods for inverter with hybrid power device switching

A system for a power switch module for an inverter includes a Silicon (Si) power switch configured to pass current in an on state based on an Si gate driving signal, a Silicon Carbide (SiC) power switch configured to pass current in an on state based on an SiC gate driving signal, an Si gate driver configured to provide the Si gate driving signal to operate the Si power switch when a current requirement of the inverter is at or above a threshold, and an SiC gate driver configured to provide the SiC gate driving signal to operate the SiC power switch when the current requirement of the inverter is below the threshold.

Systems and methods for cooling electronic components of a vehicle

A cooling system for a capacitor (104) comprises a housing (102) for the capacitor (104), the housing (102) comprising of a bottom surface (114), a top surface (116), and at least one side surface connecting the bottom surface (114) and the top surface (116), the housing (102) further including: a bottom inlet manifold (132) and a bottom outlet manifold (133) extending along the bottom surface (114); an inlet side channel (135) extending along the side surface, the inlet side channel (135) being in fluid communication with the bottom inlet manifold (132); an outlet side channel (134) extending along the side surface, the outlet side channel (134) being in fluid communication with the bottom outlet manifold (133); a top inlet manifold (110) extending along the top surface (116), the top inlet manifold (110) being in fluid communication with the inlet side channel (135); and a top outlet manifold (111) extending along the top surface (116), the top outlet manifold (110) being in fluid communication with the outlet side channel (134).

Nockenwellenversteller mit harmonischem antrieb und vorspannfeder

Systems and methods for cooling electronic components of a vehicle

A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.

Systems and methods for cooling electronic components of a vehicle

An electrical assembly for a vehicle comprises a casting (120) configured to be mounted directly to a frame of the vehicle; a capacitor housing (102) disposed at least partially within the casting (120); a capacitor (104) disposed within the capacitor housing (102); and a power module (106) including one or more inverters, the power module (106) being disposed above a top surface (116) of the capacitor housing (102).

Systems and methods for cooling electronic components of a vehicle

A method of cooling electrical components of a vehicle comprises directing coolant through a capacitor housing (102) into a power module (106) containing one or more inverters. The capacitor housing (102) preferably encloses a capacitor (104), and the capacitor housing (102) is preferably formed substantially of plastic.

Systems and methods for cooling electronic components of a vehicle

An electrical assembly for a vehicle comprises a casting (120) configured to be mounted directly to a frame of the vehicle; a capacitor housing (102) disposed at least partially within the casting (120); a capacitor (104) disposed within the capacitor housing (102); and a power module (106) including one or more inverters, the power module (106) being disposed above a top surface (116) of the capacitor housing (102).

Systems and methods for cooling electronic components of a vehicle

A cooling system for a capacitor (104) comprises a housing (102) for the capacitor (104), the housing (102) comprising of a bottom surface (114), a top surface (116), and at least one side surface connecting the bottom surface (114) and the top surface (116), the housing (102) further including: a bottom inlet manifold (132) and a bottom outlet manifold (133) extending along the bottom surface (114); an inlet side channel (135) extending along the side surface, the inlet side channel (135) being in fluid communication with the bottom inlet manifold (132); an outlet side channel (134) extending along the side surface, the outlet side channel (134) being in fluid communication with the bottom outlet manifold (133); a top inlet manifold (110) extending along the top surface (116), the top inlet manifold (110) being in fluid communication with the inlet side channel (135); and a top outlet manifold (111) extending along the top surface (116), the top outlet manifold (110) being in fluid communication with the outlet side channel (134).

Aircraft optical communication apparatus using the spectrophotometric transmission of polymer film.

Valve train with variable cam phaser

A valve train for an internal combustion engine comprises a camshaft (14) and a variable cam phaser (12) connected to said camshaft (14) for driving the latter. The variable cam phaser (12) comprises: an input shaft (24) rotationally coupled to a crankshaft drive member (20); and an output shaft (26) rotationally coupled to the camshaft (14) and coaxial with the input shaft (24). Electrically operated adjusting means drivingly connect the input and output shafts (24; 26) enabling the input and output shafts (24; 26) to be selectively, angularly adjusted while maintaining driving engagement therebetween. The input and output shafts (24; 26) are coupled to the drive member (20) and camshaft (14) via respective, rotationally stiff, flexible coupling means (70, 72; 66, 68).

Valve train with variable cam phaser

A valve train for an internal combustion engine comprises a camshaft (14) and a variable cam phaser (12) connected to said camshaft (14) for driving the latter. The variable cam phaser (12) comprises: an input shaft (24) rotationally coupled to a crankshaft drive member (20); and an output shaft (26) rotationally coupled to the camshaft (14) and coaxial with the input shaft (24). Electrically operated adjusting means drivingly connect the input and output shafts (24; 26) enabling the input and output shafts (24; 26) to be selectively, angularly adjusted while maintaining driving engagement therebetween. The input and output shafts (24; 26) are coupled to the drive member (20) and camshaft (14) via respective, rotationally stiff, flexible coupling means (70, 72; 66, 68).

Fuel system and method for supplying a combustion chamber in an aircraft turboshaft engine with fuel

A system for supplying the combustion chamber in an aircraft turboshaft engine with fuel, comprising injectors comprising a first pilot stage, a second pilot stage, and a main stage. The pilot stages being configured to deliver a permanent flow rate of fuel and the main stage being configured to deliver an intermittent flow rate of fuel. A device for distributing (2) fuel into the injectors comprising a primary circuit, a secondary circuit, and a valve configured to distribute the fuel between the primary circuit and the secondary circuit. The primary circuit being connected to the first pilot stage and the main stage, the secondary circuit being connected to the second pilot stage, and a member for controlling the valve.

Positionneur a glissement collant

Positionneur (1) comportant : - deux blocs (2,3), - un actionneur (4) comportant O un transducteur (41) monté sur un des blocs et comportant un corps piézoélectrique (42) recouvert d'un frotteur (43) au contact du corps piézoélectrique (42) et recouvrant le corps piézoélectrique (42), O un patin (44) monté sur l'autre bloc et mobile par glissement collant sur le frotteur (43) lorsqu'un signal électrique est appliqué au corps piézoélectrique (42), afin de déplacer les blocs l'un par rapport à l'autre selon un axe X, et - un organe de chauffage (6) de l' actionneur (4).

Systems and methods for inverter with hybrid power device switching

A system for a power switch module for an inverter includes a Silicon (Si) power switch configured to pass current in an on state based on an Si gate driving signal, a Silicon Carbide (SiC) power switch configured to pass current in an on state based on an SiC gate driving signal, an Si gate driver configured to provide the Si gate driving signal to operate the Si power switch when a current requirement of the inverter is at or above a threshold, and an SiC gate driver configured to provide the SiC gate driving signal to operate the SiC power switch when the current requirement of the inverter is below the threshold.