Valeo Corporation

Valeo Embrayages

Getrag B.v. & Co. Kg

Rabah Arhab

Norberto Termenon

Daniel Satonnet

Alexandre Depraete

Sungchul Lee

Herve Ribot

Laurent Caumartin

Alfonso Medellin

Norbert Termenon

Josip Kovac

Daniel Maingaud

David Delplace

Roel Verhoog

Yvon Sevennec

Luc Thevenon

Daniel Bonnel

David Forgeron

Michel Graton

Michel Bacher

Rene Billet

Fabrice Tauvron

Patrice Bertin

Olivier Doremus

Zane Yang

Hansi Gremplini

Pierre Grunberg

Jean-Claude Bochot

Gyubong Jeon

Ivan Dutier

Pascal Thery

Michel Ginaldi

Fabien Lebeau

Roël Verhoog

Arnaud Dole

Alain Lemaire

Taemann Kim

Gustave Chasseguet

Jorge Sanchez

Carlos Lopez-Perez

Pierre Bender

Gerhard Bellinger

Nicolas Depoilly

Rene-Louis Hamelin

Pascal Dekydtspotter

Francois Baert

François Thibaut

Alexandre Guilhem

Guillaume Vuaroqueaux

Christophe Dhalleine

Vincent Cornet

Jean-François Bougard

Timo Stark

A clutch mechanism is configured to be driven in rotation about an axis and includes two assemblies. Each assembly includes: an outer disk carrier externally delimiting a cavity; a clutch including a stack of coupling disks and friction disks, the stack being housed in the cavity and configured to be driven in rotation about the axis; and a reaction member of the outer disk carrier configured to enable compression of the coupling disks against the friction disks in a clutch engaged position of the corresponding clutch. The clutch mechanism includes at least one device for assembling the two assemblies to one another.

Clutch mechanism comprising two assemblies connected by an assembling device

A clutch mechanism that is configured to be driven in rotation about an axis and includes two assemblies, each assembly including at least an outer disc carrier externally delimiting a cavity, a clutch comprising a stack of coupling discs, and friction discs, the stack being housed in the cavity and configured to be driven in rotation about the axis, a reaction member configured to allow compression of the coupling discs against the friction discs in an engaged position of the clutch, the clutch mechanism comprising at least one device for assembling the two assemblies, the clutch mechanism including at least one device for adjusting an axial distance between the two clutches.

Clutch mechanism comprising two assemblies separated by a device for adjusting an axial distance

The invention concerns a hydraulic pump () for a clutch mechanism () of a vehicle transmission, the hydraulic pump () comprising a body () in which there are formed a chamber (), an inlet opening () through which a hydraulic fluid can enter the chamber (), and an outlet opening () through which the hydraulic fluid can leave the chamber (), the chamber () receiving at least one hydraulic wheel of the hydraulic pump (), the inlet opening () and the outlet opening () each opening into the chamber () of the body (), the body () of the hydraulic pump () being delimited by an outer edge () on which at least one peripheral groove () is formed, configured to receive a gasket (), the gasket () being intended to provide contact sealing between the body () of the hydraulic pump () and a hydraulic connection interface () of the clutch mechanism ().

Hydraulic pump for a hydraulic connection interface of a clutch mechanism

A torque transmission assembly including a hydrodynamic torque convener able to be coupled to a crankshaft on the one hand, and able to be coupled to a gearbox input shaft on the other, the torque converter including a primary element and a secondary element which are rotationally mobile about an axis of rotation, and damping means including a transmission member and a bearing element, the transmission member including an elastic leaf rotating as one with the primary element or with the secondary element, and the bearing element being home by the secondary element or by the primary element respectively, the elastic leaf being capable of flexing and of transmitting a rotational torque between the primary element and the secondary clement, the flexing of the elastic leaf being accompanied by a relative rotation between the primary and secondary elements.

Torque transmission assembly for a motor vehicle

A hydrokinetic torque coupling device comprises a casing, a torque converter, a torsional vibration damper and a lockup clutch disposed within the casing. The torque converter comprises an impeller and a turbine-piston coaxially aligned with the impeller and axially movable toward and away from the casing to position the hydrokinetic torque coupling device into and out of a lockup mode in which the turbine-piston is non-rotatably frictionally coupled to the casing. The torsional vibration damper comprises an input member non-moveably secured to the turbine-piston, a first retainer plate and the elastic members elastically coupling the input member to the first retainer plate. The input member includes an actuating portion configured to actuate the lockup clutch. The lockup clutch is disposed within the casing between the actuating portion of the input member and a cover shell of the casing for frictionally coupling the casing and the turbine-piston.

Hydrokinetic torque coupling device having axially movable turbine-piston and lockup clutch, and related methods

A torque transmission module (M) intended to be part of a motor vehicle transmission (), comprising:

Torque transmission module intended to be part of motor vehicle transmission

A hydrokinetic torque coupling device comprises a casing rotatable about a rotation axis, a torque converter including an impeller wheel and a turbine wheel disposed in the casing coaxially with the rotation axis, a locking piston including an annular piston body and a plurality of drive teeth unitary with the piston body, and a torsional vibration damper comprising a input member non-rotatably coupled to the drive teeth of the locking piston, elastic members and an output member elastically coupled to the input member trough the elastic members. The locking piston is axially moveable so as to selectively engage the locking piston against the casing. The input member has window-shaped mating openings complementary to each of the drive teeth. The drive teeth drivingly engage the mating openings of the input member so as to non-rotatably couple the locking piston and the input member.

Lock-up clutch and torsional vibration damper for hydrokinetic torque coupling device, and related methods

A hydrokinetic torque coupling device comprises a casing rotatable about a rotation axis, a torque converter including an impeller wheel and a turbine wheel disposed in the casing coaxially with the rotation axis, a turbine hub disposed in the casing coaxially with the rotation axis and fixed to the turbine wheel, and a torsional vibration damper. The torsional vibration damper comprises a driven member fixed to the turbine hub, a back plate rotatably mounted to the turbine hub, a plurality of circumferentially acting elastic members, and a damper retainer plate rotatably mounted to the back plate coaxially with the rotation axis. The back plate has a plurality of window-shaped openings separated circumferentially from one another by radial tabs. The elastic members are interposed between the driven member and the back plate in the window-shaped openings. The damper retainer plate is operatively connected to the elastic members.

Torsional vibration damper for hydrokinetic torque coupling device

A stator assembly of a hydrokinetic torque converter includes a stator rotatable about an axis and having a hub bore coaxial to the axis, the stator having a crimped portion, a one-way clutch mounted to the stator in the hub bore coaxially to the axis, and a retainer plate fixedly secured to the stator in hub bore by the crimped portion. A method for making a stator assembly of a hydrokinetic torque converter involves providing a stator having an axis and a hub bore that is coaxial with the axis, the hub bore containing a one-way clutch and an annular retainer plate, and crimping a portion of the stator to fixedly secure the one-way clutch and the annular retainer plate in the hub bore.

Stator assembly of hydrokinetic torque converter with press crimped retainer plates and method for making the same

A hydrokinetic torque coupling device comprises a casing rotatable about a rotation axis, a torque converter including an impeller wheel and a turbine wheel disposed in the casing coaxially with the rotation axis, a turbine hub disposed in the casing coaxially with the rotation axis and fixed to the turbine wheel, and a torsional vibration damper. The torsional vibration damper comprises a driven member fixed to the turbine hub, a drive member rotatable relative to the driven member about the rotation axis, and a plurality of circumferentially acting outer and inner elastic damping members. The drive member and the driven member are operatively connected to both the radially outer and inner elastic damping members. The radially outer and inner elastic damping members are arranged in series.

Torsional vibration damper for hydrokinetic torque coupling device with inner and outer elastic damping members connected in series

A turbine damper assembly, for a torque converter, includes a driven plate and an intermediate plate. The driven plate engages and drives the intermediate plate through elastic drive elements. The driven plate includes an axially extended, circumferentially oriented, driven plate flange that both centers the intermediate plate with respect to the drive plate and also assists in containing the elastic drive elements in circumferential curved cavities during and after assembly of the turbine damper assembly.

Driven plate with intermediate plate centering guide

A transmission system (), especially for a motor vehicle, having around an axis (O) at least an input shell () that is rotationally connected to a driving shaft and to a drive web () in order to rotationally connect said input shell () to a double wet clutch mechanism () that, having at least a first clutch (E) and a second clutch (E) respectively of the multiple-disc type, is controlled to selectively couple said driving shaft to a first driven shaft (A) and to a second driven shaft (A), wherein the input shell () and the drive web () are rotationally connected by connecting means (), which are constituted in particular by rivets (), with zero angular clearance.

Transmission system having a double wet clutch mechanism

A torsional vibration damper of a hydrokinetic torque coupling device, comprises a driven plate rotatable about a rotation axis, an intermediate plate rotatably mounted about the driven plate coaxially with the rotation axis, a back plate rotatably mounted about the intermediate plate coaxially with the rotation axis, a plurality of circumferentially acting elastic members interposed between the driven plate and the intermediate plate, and a damper retainer plate non-moveably secured to the back plate coaxially with the rotation axis. The damper retainer plate is operatively connected to the elastic members. The driven plate, the intermediate plate and the back plate are aligned with each other along a radial axis perpendicular to said rotation axis.

A hydrokinetic torque coupling device comprises a turbine, a driven plate non-rotatably attached to the turbine, circumferentially oriented torque transmitting elastic elements, and a friction disc including peripheral, axially extending driving tabs. The driven plate includes circumferentially oriented centering slots such that the axially extending driving tabs of the friction disc protrude into the centering slots and engage the elastic elements. A method for assembling a hydrokinetic torque converter involves providing a driven plate including circumferentially oriented centering slots, elastic elements and a friction disc including peripheral axially extending driving tabs, mounting the friction disc and the elastic elements to the driven plate so that the driving tabs of the friction disc and the driven plate engage the elastic elements, and centering the friction disc with respect to the driven plate by protruding the driving tabs into the centering slots of the driven plate.

Hydrokinetic torque coupling device with centered lock-up clutch friction disc, and method for assembling the same

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

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Saint-Brice-Sous-Foret, France

Rabah Arhab