Valeo Embrayages

Norberto Termenon

Rabah Arhab

Michel Bacher

Roel Verhoog

Giovanni Grieco

Herve Maurel

Michael Hennebelle

Hervé Maurel

Daniel Bonnel

Thierry Guinot

Pierre Cholvy

Gregory Foucart

Guillaume Boidin

Cyrille Corniglion

Jean-Christophe Pecoul

Camelia Jivan

Michaël Hennebelle

A torque transmission device for a vehicle including at least one motor, the torque transmission device including a first clutch, a second clutch and a transmission member. A first transmission mechanism is provided between the first clutch and the transmission member, and a second transmission mechanism is provided between the second clutch and the transmission member. A connection element arranged to permit or interrupt the mutual rotational drive between the first output element of the first clutch and the transmission member, by means of the first transmission mechanism.

Torque transmission device for a motor vehicle

An electric drivetrain including an electric machine and at least one output pinion intended to be connected to an axle differential, and at least one speed reduction device including a first gear train and a second gear train intended to drive the output pinion in rotation in a first rotational direction or a second rotational direction.

Electric drivetrain for motor vehicle

A hydrokinetic torque-coupling device features a casing rotatable about a rotational axis and having an engagement surface, a torque converter including an impeller wheel and a turbine wheel, a locking piston including a piston body and a damper assembly. The piston body has a front surface axially facing the engagement surface of the casing. The locking piston is axially moveable along the rotational axis to and from the engagement surface of the casing to selectively engage the locking piston against the engagement surface of the casing in a lock-up mode. The damper assembly comprises an input member rotatable about the rotational axis and non-moveably attached to the turbine wheel, circumferentially acting elastic members and an output member elastically coupled to the input member trough the elastic members. The locking piston is non-rotatably connected to and axially moveable relative to the input member of the torsional vibration damper.

Hydrokinetic torque-coupling device having lock-up clutch operatively connected to torsional vibration damper, and related methods

A torsion damping device () of an automotive temporary coupling system, comprising: a torque input element (A,B) and a torque output element (); an upstream circumferentially acting elastic member (A) capable of being loaded by or of loading the input element (A,B); a downstream circumferentially acting elastic member (B) capable of loading or of being loaded by the output element (); a radial phase washer (A,B) arranged so that the two elastic members (A,B) are mounted in series; each elastic member (A,B) is received circumferentially between a phasing face (A,B) and an oppositely located radial retention face (B,A) of the phase washer (A,B), the circumferential distance (D) between said faces (A,B,B,A) being equal at most to the circumferential length of the elastic member at rest.

Torsion damping device comprising elastic members held individually in position by phase washer

A torsion damping device (), in particular for a motor vehicle transmission, wherein the damping device () comprises at least two pendulum oscillators, a first washer (A) having at least one first pendulum oscillator (P) and a second washer (B) having at least one second pendulum oscillator (P).

Torsion damping device for motor vehicle transmission

A hydrokinetic coupling device includes a lock-up clutch having at least one friction disc mounted such that it can slide axially with respect to a first rotary shaft, at least one first backing disc rotating as one with a secondary rotary shaft and a support ring to support the backing disc. The support ring has at least one axial groove circumferentially delineated by an upstream face and by a downstream face. A radial guide tooth of each backing disc is housed such that it can slide axially in the groove. Elastic preload elements are provided which are able to exert a preload torque to clamp the guide tooth of each braking disc circumferentially against one of either the upstream or downstream faces of the guide groove.

Hydrokinetic coupling device comprising lock-up clutch equipped with elastic means of circumferential preload

A hydrokinetic coupling device includes a lock-up clutch having at least one friction disc mounted such that it can slide axially with respect to a first rotary shaft, at least one first backing disc rotating as one with a secondary rotary shaft and a support ring to support the backing disc. The support ring has at least one axial groove circumferentially delineated by an upstream face and by a downstream face. A radial guide tooth of each backing disc is housed such that it can glide axially in the groove. Elastic preload elements are provided which are able to exert a preload torque to clamp the guide tooth of each braking disc circumferentially against one of either the upstream or downstream faces of the guide groove.

A lock-up clutch () for a hydrokinetic coupling device (), wherein the clutch includes rotational coupling means between a first element () and an adjacent element (A,) consisting of elastic tongues () adapted to transmit torque between the elements (A,) and to be deformed elastically in the axial direction to enable movement of the first element () relative to the adjacent element (A,) about the articulation member in the form of an annular boss ().

Lock-up clutch for hydrokinetic coupling device including improved connection means

A hydrokinetic coupling device (), which comprises an axis of rotation (B) and a torque converter (), comprising a turbine wheel () mounted rotationally around a rotary driven shaft, as well as a circumferential damping device (), comprising a damper plate () with a radial flange (), rotationally linked without play to the turbine wheel () by a connecting element () and which is linked with circumferential damping with the rotary driven shaft. A locking clutch () that comprises at least one annular friction disc (A,B) sliding axially, which rotates together with the flange () of the damper plate (). The friction disc (A,B) is carried by the connecting element (), which directly connects the turbine wheel () to the flange () of the damper plate ().

Hydrokinetic coupling device comprising friction disc carried by rotating linking element of turbine wheel with damper plate

A hydrokinetic coupling device is intended, in particular, for a motor vehicle. The hydrokinetic coupling device comprises a casing rotationally connecting a driving shaft and an impeller wheel, a turbine wheel fixed to a turbine hub rotationally connected to a driven shaft, a clutch locking the coupling of the driving and driven shafts, and a damping element comprising elastic washers for restricting the essentially-radial circulation of the fluid at least inside a front axial space which is located between a front guide washer and a web, such that the fluid circulates though the lockup clutch of the device.

Hydrokinetic coupling device intended, in particular, for a motor vehicle

The invention relates to a hydrokinetic coupling device () characterized by the fact that the web () comprises, at the inner radial end thereof, a collar (), which axially extends toward the front between the turbine wheel () and the turbine hub () and which is rotationally joined by friction welding respectively: at the front, to the turbine wheel () by a first weld joint () provided between a front annular contact face () of the collar () and a rear welding face () opposite the inner radial periphery of the turbine wheel () and; at the rear, to the turbine hub () by a second rear weld joint () provided between a rear annular contact face () of the collar () and a front welding face () opposite the outer radial periphery of the turbine hub ().

Hydrokinetic coupling device, particularly for a motor vehicle

A coupling apparatus for a motor vehicle, including a hub designed to link in rotation an output shaft and a turbine wheel a clutch for locking the coupling between the input shaft and output shaft. A locking piston is axially mobile between a wall integral with the turbine wheel and a wall for locking a crankcase designed rotatable link the input shaft and an impeller wheel. A female member of sealing mechanism, linked to the piston axially about a male member of the sealing mechanism, linked to the hub. A damping mechanism is clamped between the piston and the wall and an output member linked to the hub. The male member and the damping output member are each mounted on the hub or born by a member mounted on the hub.

Growing community of inventors

Paris, France

Norberto Termenon