Jtekt Europe

Laurent Rey

Patrice Brochot

Boris Catherin

Raphaël Vadon

Mickael Guerin

Roch Monnet

Philippe Chauvrat

Nicolas Plataret

Pascal Pauly

Jean-Michel Saniez

Nicolas Dieudonne

Sylvain Duhamel

Vivien Chapel

Philippe Vercoustre

Charly Filipe

Johann Sohar

Elsa Coscoy

Nicolas Plateret

Olivier Viguier

François Fauritte

Frédéric Pauloin

Christophe De Araujo

A wiring method during which an electrical cable is connected, the cable including one or more conductive wires, to an electrical apparatus, such as a drive computer unit for assisted steering, by means of a non-sealed connector which includes a male portion placed in a junction box and connected to the electrical apparatus, and a female portion connected to the electrical cable, as well as retaining members for fixing the female portion on the male portion in order to create an electrical junction between the respective conductive terminals of the portions, the connector is then covered, after connection, with an enrobing polymer material which forms a sealed shell which protects the electrical junction at least from water.

Wiring method including a step of enrobing non-sealed connectors in a resin

Steering column for a motor vehicle including two telescopic drive shafts linked in rotation, allowing an axial sliding of a front shaft supporting a steering wheel, successively over, starting from the most forward position, a first range of depth adjustment of the position of this steering wheel, then a second damping range used in the case of an accident for damping an impact of the driver on the steering wheel, this column including an electric motorization for controlling the sliding, and an anti-theft blocking device blocking the rotation of one of the shafts, which is automatically engaged for an axial position for blocking the front shaft given by the motorization located in the second damping range.

Steering column including a rotational blocking device actuated by a motorization

A drive carriage of a vehicle steering system positioned between a movable tube and a drive member, having an attachment zone intended to cooperate with the movable tube, the attachment zone making a fixation of the movable tube on the drive carriage when a force exerted on the attachment zone is below a first predetermined threshold and a movement of the movable tube relative to the drive carriage when the force exerted on the attachment zone exceeds the first predetermined threshold, the drive carriage comprises a coupling zone intended to cooperate with a cover part making the fixation of the cover part on the drive carriage when a force exerted on the coupling zone is below a second predetermined threshold and a movement of the cover part relative to the drive carriage when the force exerted on the second coupling zone exceeds the second predetermined threshold.

Carriage for driving a vehicle steering system allowing a displacement of a cover part identical to the displacement of a movable tube during a depth setting and during an accident

A power steering system for a motor vehicle, having a steering column integrating an upper shaft and an intermediate shaft rotatably linked and movable in translation relative to one another, an upper tube and a lower tube rotatably linked and movable in translation relative to one another, the upper shaft being movable in rotation and linked in translation within the upper tube, and an assist module integrating an output shaft linked in rotation with the intermediate shaft via a torsion bar, a reducer having a worm screw driven by an assist motor and which meshes on a worm wheel linked to the output shaft; and an angle measuring device having an inductive sensor carried by an annular support having a central orifice dimensioned so as to let the upper tube pass, a lower target securely mounted around the output shaft and an upper target.

Power steering system with steering column retractable according to an improved backward stroke by means of a through inductive sensor

A plug including a hub which extends along a central axis and is defined radially by a side wall wherein an annular groove is formed, which receives a sealing member, the groove provided between a bottom wall and first annular edge wall, and a second annular edge wall, which axially define the groove, the hub being formed by the combination of a first hub section on which the first edge wall is formed, and a second hub section on which the second edge wall is formed, the first hub section and the second hub section being assembled so that they meet at a gasket face which is secant to the central axis and the bottom wall of the groove, so the line of the intersection of the gasket face with the bottom wall is contained axially between the first and second edge wall over the entire perimeter of the groove.

Method for manufacturing a plug in two parts for a steering gearbox

A cycloidal gear pair reducer including an input shaft, mounted in a reducer casing such that it rotates about an axis referred to as 'main axis', an eccentric member carried by the input shaft and rotated by the latter, at least one cycloidal disc rotatably mounted on the eccentric member and having a cycloidal toothing, at least one ring gear provided with a receiving toothing with which the cycloidal toothing of the cycloidal disc meshes, and an output shaft; wherein the reducer comprises a suspension device arranged to return elastically the cycloidal toothing of the cycloidal disc and the receiving toothing of the ring gear towards one another such that the meshing backlash between the cycloidal disc and the ring gear is self-adjusted along at least one radial component relative to the main axis.

Cycloidal reducer with backlash self-adjustment and power steering system with such a reducer

A mechanism including at least one wheel which is mounted rotatably movable about a rotation axis, in a casing containing a lubricant, such as grease, the wheel being defined radially by a peripheral rim and axially by at least one first wheel flank, whereas the casing forms a covering crown which overlaps the first wheel flank, the wheel including at least one vane which projects axially on the first wheel flank, towards the covering crown, whereas the casing includes at least one deflector which projects axially on the covering crown, towards the first wheel flank, the vane and the deflector being arranged so that when a first leading edge of the vane approaches and then overflies a retaining edge of the deflector in the first direction of rotation, the imaginary intersection point thereof is shifted radially towards the rim so that the lubricant is sent back towards the rim.

Reduction gear with integrated with built-in lubricator for power steering

A power-steering device intended to be fitted on a vehicle-receiving structure, such as a cradle, the device including a rack as well as at least one actuator subassembly including at least one assistance motor, one drive gear, as well as one load-bearing structure that carries the assistance motor and is arranged to support and guide the drive gear and the rack relative to one another, the device further including one containment casing that is separate from the actuator subassembly and is fonned by connecting at least one base and one bell housing, which are attached to one another by a sealed joint such that the containment casing prevents the actuator subassembly from being exposed to water splashes, dust and salt spray from the outside environment when the power-steering device is in place on the receiving structure of the vehicle.

Power steering device with sealed protective casing

A cycloidal gear pair reducer including an input shaft, mounted in a reducer casing such that it rotates about an axis referred to as 'main axis', an eccentric member carried by the input shaft and rotated by the latter, at least one cycloidal disc rotatably mounted on the eccentric member and having a cycloidal toothing, at least one ring gear provided with a receiving toothing with which the cycloidal toothing of the cycloidal disc meshes, and an output shaft, separate from the input shaft, arranged to be rotated by the cycloidal disc; the cycloidal toothing of the disc and the corresponding receiving toothing of the ring gear being helical.

Cycloidal reducer with helical toothing for power steering

The invention relates to a vehicle () provided with a power-steering device () which includes at least one steering rack () and an assistance motor () arranged to drive said steering rack (), as well as at least one on-board computer () inside the vehicle (), intended for controlling said assistance motor (), the computer () being placed mostly, and preferably entirely, below the rack (), preferably in a shell (), inside of which the rack () is translatably guided, and inside of which a space for the computer is arranged for said purpose.

Power steering device with a remote computer under the rack

A method for manufacturing a torque sensor includes: placing a first slip ring and a second slip ring inside a sensor case, the slip rings being distant from each other and each carrying respectively a first measuring terminal and a second measuring terminal which delimit an air gap therebetween; producing a sensor beam and a sensor beam subassembly, the sensor beam subassembly comprising a Hall effect cell configured to be placed in the air gap and measure the magnetic flux therein, and an electrical connection interface; and introducing the sensor beam into an access orifice which passes through a wall of the sensor case to open on the air gap, so as to place the Hall effect cell in the air gap, then fastening the sensor beam on the sensor case.

Method for manufacturing a torque sensor comprising a step of encapsulating the electronic circuit of the sensor

A vehicle fitted with a steering device including a steering mechanism protected by a steering casing, the steering casing itself being housed in an engine compartment that is separated from the interior of the vehicle by a dashboard, the steering device also including a steering wheel, located in the interior, and to which the steering mechanism is connected by a steering column that extends out of the steering casing and passes through the dashboard, the vehicle including, in order to provide a seal around the steering column, between the steering casing and the dashboard, an elastomeric coupling gasket including, in a single piece, a central first sealing ring that surrounds and clamps around the steering column and a peripheral second sealing ring that is inserted between the steering casing and the dashboard, at a distance from and around the first sealing ring.

Dashboard gasket for coupling a power steering device to the dashboard of a vehicle

A method for manufacturing a wheel including a step (a) during which a liquid to be polymerised is cast into a first mould so as to solidify same into a tubular preform, with main axis, the first mould including modelling cores in order to form recesses, of the rib type, in the radial thickness of the tubular preform; followed by a cutting step (b), during which the tubular preform is cut perpendicular to the main axis thereof, and secant to the recesses, so as to obtain a tubular preform section forming a rim; followed by an overmoulding step (d), during which said rim is placed in a second mould, concentrically with a central supporting member, such as a bushing or a shaft, and a polymer filling material is injected so as to create an intermediate disc that provides the attachment of the rim to the central supporting member.

Method for manufacturing a toothed wheel with a ribbed cast rim

A method of manufacturing a wheel has a step (a) during which, by injecting a first polymer material into a first mold, a bearing core is created that extends from a radially internal wall that forms the ball of a steering axis, as far as a radially external peripheral edge, followed by a step (b) of coating during which step a coating layer is overmolded in a second polymer material over the bearing core to form a rim around the peripheral edge, the method being such that during step (a) of creating the bearing core, a preformed reinforcing hoop made of a third material referred to as 'reinforcing material' is placed in the first mold then the reinforcing hoop is at least partially embedded in the peripheral edge during injection of the first material.

Method for manufacturing a toothed wheel with reinforcing strapping

The invention relates to a method for producing a gear, said method including a step (a) during which a supporting core is made from a first polymer material, said supporting core comprising a hub, with a director axis (XX'), as well as a flange which extends radially from said hub to a peripheral flanged edge, said method then involves a coating step (b) which comprises producing a permanent coating layer, made of a second polymer material, by overmolding on the supporting core, including integrally both a front layer which covers the upper surface of the flange, and a side layer which extends said front layer axially by covering the outer radial surface of the flanged edge, such that said side layer forms a rim, the teeth of the gear being made in the radial body of said rim.

Growing community of inventors

Villeurbanne, France

Laurent Rey