Abstract: A torsional vibration damping device (1), in particular for a motor vehicle clutch, said device comprising a disc (60) and a support (80) mounted mobile in rotation relative to each other about a common main axis, and linked in rotation via circumferential elastic members (90) damping torsional vibrations, said elastic members being interposed between the disc (60) and the support (80) and maintained in position circumferentially via lugs (65) of the disc (60) and lugs (82,84) of the support (80) whereon are supported the elastic members (90) and radially via a guide ring (100) passing through the elastic members (90) and integral with the disc (60). Said device is characterised in that the lugs (82,84) of the support (80) are mounted on either side of a section of the ring (100) and the lugs (65) of the disc (60) can move freely at the angle between the lugs (82,84) of the support (80).

Abstract: A method for making a tubular element, in particular a motor vehicle front cross member (1), for forming at least an air conduit (2,3,4) including at least two half-shells (5,6) assembled on two outer longitudinal edges (5a, 6a–5b, 6b), facing each other, with punctiform mechanical bond elements (7). The method further comprises the production of sealing elements (8) for the tubular element (1) consisting of at least a continuous convex or concave deformation simultaneously produced on each of the outer longitudinal edges (5a, 6a–5b, 6b) facing the two half-shells (5 and 6), in the proximity of the mechanical bond elements (7).

Abstract: The invention concerns a method for making a dashboard subassembly comprising electrical and/or electronic components (1) connected to conductors (2) and attached to a rigid support (3). The invention is characterized in that it consists in: providing a flexible mat (4) provided with said conductors (2); mounting said components (1) on said mat (4), connected to said electrical conductors (2); rigidizing said mat (4) by overmoulding it with a material designed to form said support (3). The invention also concerns a dashboard subassembly, in particular a motor vehicle dashboard console, obtained by said method.

Abstract: A transmission between a gear (22) mounted freely to rotate about a shaft and a one-way drive-lock mechanism (26) for engaging in rotation the gear (22) and its shaft in a rotational direction, including a ring (52) integral in rotation with the shaft and bearing on its radial surface (54) at least two dogs (58) pivotally mounted about radial axes (62) between rest and locking positions on the gear (22) wherein they prevent the gear from rotation relative to the shaft. The invention is particularly applicable to transmission systems for a motor vehicle.

Abstract: A hydrokinetic coupling appliance, in particular for a motor vehicle, comprising a housing (30) provided with a transverse wall (3), designed to be coupled in rotation to an input shaft, a turbine wheel (12) housed inside the housing (30) and integral with a hub (14), designed to be coupled in rotation to an output shaft, a first bearing (1) integral with the transverse wall (3) of the housing (30), a locking clutch interposed between said turbine wheel (3) and the transverse wall (13). A piston (4) carries a second bearing (2) extending opposite the first bearing (1) to be linked self-disengaging to the transverse wall, and wherein friction elements (60) operate between a transverse bearing (15) of the hub (14) and the piston (4), the piston (4) being shaped to bear the friction elements (60), and the hub (14) having an axially oriented annular portion (16) facing towards the transverse wall (3) and enclosed by the piston (4) mounted axially mobile relative to the annular portion.

Abstract: The invention concerns a hydrokinetic apparatus, in particular for motor vehicle, comprising a casing (10); a turbine wheel (16) secured in rotation to a hub (30); a lock-clutch comprising a piston (50) whereof the radially inner part (54) is mounted sliding along an outer cylindrical shaft (58) belonging to the central ring called piston (50, 54) whereof a rear end surface (64) extends opposite a transverse surface belonging to the turbine wheel (16)/hub (30, 86) assembly, and comprising stop means (84) axially interposed between the central ring and the turbine wheel/hub assembly. The invention is characterised in that are provided radial centering means for axial stop (84) relative to the hub (30, 5) or relative to the piston (50, 54) or relative to the web (104).

Abstract: A dashboard, in particular for motor vehicle, includes at least a three-dimensional element (2) extending longitudinally and designed to constitute a reinforcement against impact and to enable equipment items to be incorporated (1) in the dashboard. The three-dimensional element (2) includes a body (3), designed in volume and provided with housings (4) for the equipment items (1), arranged in the volume of the body (3), and a substantially planar component (5), co-operating with the body to close at least some of the housings.

Abstract: A friction clutch comprising a pressure plate (12) consisting of tow half-plates (12A, 12B) integral in rotation with the input shaft but axially mobile, relative to each other, under the action of the device compensating play due to wear. The wear compensating device comprises a pair of complementary ramps (17, 18) circumferentially arranged, axially associated respectively with each of the half-plates (12A, 12B), one support ramp (17) being integral in rotation to one (12B) of the half-plates, the other adjustment ramp (18) being adapted to move circumferentially relative to the support ramp (17) in the compensating direction increasing the global thickness of the first plate (12) and prevented form moving in the other direction by one-way means (24). The circumferential movement is controlled by a tripping element (22) sensitive to wear condition, the adjusting ramp (18) being arranged at the periphery of an inertial piece (12A).

Abstract: A clutch plate consists of an annular support plate carrying friction liners adhesively bonded on at least one lateral fastening face of peripheral radial blades of the support plate, by a method including an adhesive applying step which consists in depositing a predetermined quantity of adhesive on, but only on, an adhesion zone located on the lateral fastening face of each successive radial blade. This deposition is performed by an adhesive applicator having an adhesive applying zone of a form corresponding to that of the adhesion zone on the blade. The method is performed in an apparatus having at least one applicator head.

Abstract: The invention concerns a vibration absorber (7) with a housing (8) wherein is mounted a block of elastic material (22) defining a cavity (9) and sealingly closing it. The invention is applicable to motor vehicles.

Abstract: The friction disk (24) includes a support web (28) the outer peripheral portion (40) of which is sub-divided into radial blades (42) offset axially from the central fixing part (44) with respect to the general plane of the web (28), and including friction linings (30, 32) on either side of the peripheral portion (40), each lining (30, 32) including, on the one hand, a fixing surface (64, 66) a fixing area (62) of which is fixed onto at least one central part (44) of a radial blade (42), and, on the other hand, a reduced-thickness area (72), in an area separate from the fixing areas (62); at least one reinforcing element (74) extends face-to-face with at least a part of a reduced-thickness area. The invention also proposes a method of manufacturing a friction lining (30, 32) of the type described above.

Abstract: The invention concerns an apparatus comprising a housing (12) with a radial wall (14) coupled with another input shaft, a turbine wheel (104) coupled with a hub (54) and an output shaft; and a lockup clutch comprising a piston (40); an annular friction disc (152) with global radial orientation, coupled in rotation with the turbine wheel (104)/hub (54) assembly and bearing on a first surface a first counter-track (210) co-operating with a first friction track (200) integral with the piston to define a first annular friction zone (Z1), and which bears on its second surface opposite to the first surface, a second counter-track (230) co-operating with a second friction track (220) integral with the radial wall (14) to define a second annular friction zone (Z2). The invention is characterized in that the first and second friction zones (Z1, Z2) are radially offset relative to each other.

Abstract: The invention proposes an apparatus (10) comprising a casing (12, 20, 22) which has a wall (24) arranged to be coupled in rotation to a driving shaft, a turbine wheel (30) rotatable with a hub (34) which is arranged to be coupled in rotation to a driven shaft, a generally radially oriented piston (58) which is movable axially and coupled in rotation to the casing, and an annular friction disc (74), oriented generally radially and carrying two annular friction liners (76) which are adapted to be gripped axially by the piston (58) between, respectively, itself and the inner face (73), in facing relationship with it, of the radial wall (24) of the casing; the friction disc (74) is coupled at its radially inner periphery (94) to the hub (34) of the turbine (30); the piston (58) has means (100) at its radially outer periphery for meshing with a radially outer peripheral portion (26, 102) of the casing (22).

Abstract: A device having a rigid rod mobile in a translational and/or rotational movement, whereof one end penetrates inside a recess of a piston and is fixed by a swivel to the recess of the piston directly or via an insert. The insert is mounted inside the recess of the piston, with a mechanism for axially locking the rod or the insert relative to the piston. The locking mechanism includes a stop borne by the piston to provide axial locking along a direction corresponding to the mounting direction of the rod in the piston, and a washer borne by the insert or the rod. The washer has peripheral fins elastically deformable in the radial direction and is pressed against the inner wall of the recess of the piston by being deformed to lock the insert or the rod in the opposite direction.

Abstract: An automated gear drive, comprising two main gearshafts (18, 20) bearing drive pinions (22, 24) and linked each by a clutch (E1, E2) to a clutch shaft (10), a gearbox output shaft (12) bearing driven pinions (26) each of which is associated with one-way locking device (28) controlled to be selectively interlocked with the gearbox output shaft (12), the one-way locking device (28) being controlled by mechanical device (30, 32, 34) common to all the loose pinions (26) of the different gear ratios. The automated gear drive enables in particular gear ratio shift with uninterrupted torque transmission to the gearbox output shaft (12).

Abstract: An arrangement of equipment for a motor vehicle is designed to perform a variable number of functions such as to assist and/or enhance driving. The arrangement comprises at least one plurality of electronic components based equipment elements (1). According to the invention, remote processing members which are common to the entire set of equipment elements are provided. The electronic components have specific functions according to each equipment element and act as additional processing members, whereby it is possible for each equipment element to carry out one or several given functions of the arrangement by combining them with the common processing members. The invention also relate to a dashboard for a motor vehicle which is provided with the arrangement of equipment.

Abstract: The invention proposes a hydraulic device of the kind including a cylinder in which a piston is mounted for sliding in leaktight fashion in the body of the cylinder so as to delimit at least one hydraulic chamber intended to be linked to a hydraulic circuit, and is linked to the front extremity of an actuating rod which projects axially rearwardly outside the cylinder body and on which an actuating force can be applied in order to cause forward displacement of the piston counter to a return force applied to the piston. The device includes a temporary end stop which limits the forward displacement of the piston and which intervenes until the piston is first actuated by means of the actuating rod. The invention is applicable to a hydraulic cylinder for the control of motor-vehicle equipment.

Abstract: A hydrokinetic appliance (10), in particular for a motor vehicle, comprising a housing (12) provided with an annular axial wall (13) and a front transverse wall (18), wherein the housing (12) is designed to be linked in rotation to an input shaft, which includes a turbine wheel (40) housed inside the housing (12) and integral with a hub (46), capable of being coupled in rotation with an output shaft, and wherein a locking clutch comprises a rear piston (30) axially mobile relative to the front transverse wall (18) of the housing (12). The rear piston (30) is coupled in rotation to the annular axial wall (13) of the housing (12) by an axially resilient device (64).

Abstract: An interior, in particular front, cross member (10) of a vehicle for circulating an air stream and fixing equipment items of the vehicle. The cross member is provided by an extruded profile (10) defining at least an air flow conduit (11, 12) and zones (13, 14, 15) of extra thickness for fixing the equipment items.