Valeo Embrayages

Valeo Corporation

Valeo Emrayages

Roel Verhoog

Michael Hennebelle

Franck Cailleret

Olivier Marechal

Rabah Arhab

Norberto Termenon

Gilles Lebas

Alexandre Depraete

Michel Graton

Giovanni Grieco

Michel Bacher

Daniel Fenioux

Herve Ribot

Emmanuel Commeine

Daniel Satonnet

Ivan Dutier

Laurent Caumartin

Jerome Boulet

Didier Bagard

Norbert Termenon

Olivier Fafet

Thibault Laforge

Pierre Boucheny

Lionel Renier

Pascal Dast

Daniel Maingaud

Herve Mahe

Erick Duno

Gabriel Bouche

Benoit Fleche

Géraud Vatin

David Forgeron

David Salvadori

Loïc Adamczak

Bernard Dubois

Thomas David

Maryse Soirant

Carsten Lauridsen

Marc Ray

Hervé Mahe

Jérôme Boulet

Jerome Jeanclos

Yannick Lefebvre

Michaël Hennebelle

Thimothée Briolet

Catherine Frey

Maxime Miot

Clément Tondellier

Robert Klossek

A torsion damper for a vehicle powertrain includes a first element having a support element and a second element movable in rotation with respect to the first element about an axis of rotation X. Springs are mounted between the first element and the second element so as to compress to allow relative rotation about the X axis between the first element and the second element. A friction device including a friction washer provided with at least one fixing portion rigidly fixed in rotation on a support element of the first element, the friction washer having a friction portion having a friction track backed against a dorsal face of the friction portion. An elastic washer arranged axially between the first element and the dorsal face of the friction portion, each fixing portion for fixing to the first element being connected to the friction portion by a flexible element allowing axial displacement of the dorsal face of the friction portion relative to the support element of the first element.

Torsion damper and clutch disk

A motor vehicle transmission system includes a reduction device having at least an output shaft including a first gearwheel and a second gearwheel. A differential drive device is configured to distribute the torque from the reduction device to two half-shafts. The differential drive device includes a coupling device which, in a coupled position, transmits torque between a first element and a second element of the differential drive device, the coupling device further including an actuator. A radial plane, orthogonal to the axes X and W, passes through the first gearwheel and through the coupling device.

Transmission system comprising a reduction device and a differential drive device

A torsion damping device for a vehicle drivetrain includes: a first rotary element, a second rotary element, an elastic device, a friction device including an actuating washer mounted to rotate as one with a friction washer and including an actuating tab interposed circumferentially between a first end of a spring and the first rotary element so as to allow relative rotation between the actuating washer and the second rotary element when the first end of the spring is compressed by the first rotary element in the direction of a second end of the spring opposite to the first end.

Torsion damping device with activatable friction device

A pendulum damping device including a mounting to rotate about an axis; at least one pendulum body that includes first and second pendulum masses axially spaced relative to each other and movable relative to the mounting, the first pendulum mass being axially placed on a first side of the mounting and the second pendulum mass being axially placed on a second side of the mounting, and at least one member to connect the first and second pendulum masses and couple the masses; and at least one rolling member that guides the movement of the pendulum body relative to the mounting. The rolling member engages with a rolling track secured to the mounting and with a rolling track secured to the pendulum body and defined by the connecting member. The rolling member exerts an axial clamping force on one of the pendulum masses during movement of the one pendulum mass relative to the mounting.

Pendulum damping device

A torque transmission device for a motor vehicle includes a torque input element for coupling to a driving shaft, a torque output element for coupling to an input shaft of a gearbox, the torque output element and the torque input element pivotable with respect to one another, and first and second elastic damping stages installed in series between the torque input element and torque output element. The first damping stage has an elastic member installed between the torque input element and a guidance device so as to act against the rotation of the guidance device with respect to the torque input element. The second damping stage has at least one elastic member installed between the guidance device and the torque output element so as to act against the rotation of the torque output element with respect to the guidance device. The guidance device has first and second stop means.

Torque transmission device for a motor vehicle

A vibration damping device for a motor vehicle, features a first movable element () and a second movable element () both rotatable around an axis X, at least one group of elastic members () mounted between the first movable element and the second movable element and acting against rotation of the first movable element and second element with respect to one another, and a phasing member () rotationally movable around the axis X. The first movable element () and the second movable element () are coaxial and capable of transmitting a torque. The phasing member () includes a first portion () and a second portion (), for arranging the elastic members of the at least one group in series so that the elastic members of each group deform in phase with one another.

Vibration damping device

An inertial deflector () for a motor vehicle transmission system. The inertial deflector comprises a support member () intended to be associated with an element () of the transmission system and to be driven rotationally around an axis X, an inertia mass () mounted rotationally movably on the support member () around the axis X, and helical springs () arranged along a circumferential direction and elastically rotationally coupling the support member () and the inertia mass (). Each of the helical springs () is received in a receiving space that is delimited between on the one hand a recess () configured in the inertia mass () and radially and axially guiding the helical spring, and on the other hand a rim zone () of the support member () covering the recess () in order to axially retain the helical spring () in the recess ().

Device for filtering vibrations

A vibration damping system for a transmission system, exhibiting a stiffness K, of a motor vehicle having a combustion engine, having a support member able to be rotationally driven around an axis X, having a moment of inertia I; and a pendulum flyweight mounted movably on the support member, the pendulum flyweight being tuned to a tuning order n, the pendulum flyweight having a first resonance order of an order lower than the tuning order n, and a second resonance order higher than the tuning order n; the moment of inertia I of the support being configured for any engine speed value within an engine speed range of the combustion engine from 600 to 5000/n revolutions per minute, and for a given stiffness K of the transmission system, the second resonance order of the pendulum flyweight is different from an order y*n, where y is an integer.

Damping system of pendulum oscillator type

A device for damping torsional oscillations, comprising:

Device for damping torsional oscillations

A device for damping torsional oscillations comprises a support rotatable around an axis. At least one pendulum body is movable with respect to the support. At least one bearing member interacts with at least one raceway integral with the support and with at least one raceway integral with the pendulum body. The bearing member rolls along each raceway around an inactive raceway position. The first region is shaped to filter a first order value of the torsional oscillations by the pendulum body when the bearing member rolls along that first region. Two second regions are beyond an end of the first region. Each second region is shaped to filter a second order value of the torsional oscillations by the pendulum body when the bearing member rolls along one of those second regions. The second order value is strictly lower than the first order value.

A torsional damping device () includes a first movable element () and a second movable element (), a central hub rotationally coupled to the second element, at least one group of elastic members () acting against rotation of the first element and second element with respect to one another, a phasing member having by two parts () for arranging the elastic members of the at least one group of elastic members () in series so that the elastic members () of the at least one group deform in phase with one another, and a pendulum damper () rotationally connected to the phasing member. The first and second movable elements (--) are coaxial and rotationally movable around an axis X. The phasing member () is centered on the central hub by means of a pendulum support member.

Torsional damping device for a motor vehicle transmission system

The invention relates to a vibration damping system for a motor vehicle transmission, comprising:

Pendulum damping system equipped with support member having raceways juxtaposed continuously around rotation axis

A hydrokinetic torque coupling device includes a turbine wheel (), an impeller wheel () able to hydrokinetically drive the turbine wheel (), a cover () non-rotatably attached to the impeller wheel () so as to define an internal volume () accommodating the turbine wheel (), and a seal () mounted to a radially external periphery of the turbine wheel (). The turbine wheel () being able to be axially moved between an engaged position and a disengaged position. The seal () configured to engage one of a matching sealing surface () of the impeller wheel () positioned radially outside the turbine wheel () and the cover () in the engaged position and to be disengaged from one of the matching sealing surface () the impeller wheel () and the cover () in the disengaged position.

Hydrokinetic torque coupling device for motor vehicle

A pendulum-type torsional damping device comprises oscillating masses () mounted movably on a support (). Each oscillating mass () is intercalated circumferentially between a first adjacent oscillating mass () and a second adjacent oscillating mass (). Each oscillating mass () is mounted movably on the support () by a rolling contact via a single bearing element () associated with that oscillating mass, and a sliding contact between one of terminal edges () thereof and a terminal edge () of the second adjacent oscillating mass (), which forms a radial retention edge for that oscillating mass (). The device allows effective pendulum damping to be obtained with a limited number of bearing elements.

Simplified torsion damping device having pendulum

A hydrokinetic torque coupling device features a casing comprising a casing shell and an impeller shell, an impeller, a turbine-piston, a damper assembly comprising a drive member non-moveably connected to the turbine-piston and a driven member elastically coupled to the drive member, and a clutch member comprising a clutch plate and a connecting member extending through the damper assembly and non-moveably interconnecting the clutch plate with the turbine-piston. The clutch plate has an axially outer surface facing an engagement surface of the casing. The turbine-piston is axially displaceable relative to the casing to move the clutch member axially toward and away from the engagement surface of the casing for positioning the hydrokinetic torque coupling device into and out of a lockup mode in which the clutch member and the casing frictionally interlock with one another so that the casing is non-rotatable relative to the turbine-piston.

Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods

Growing community of inventors

Gournay sur Aronde, France

Roel Verhoog