Valeo Systemes De Controle Moteur

Poclain Hydraulics Industrie

Laurent Albert

Jean Heren

Herbert Pietrowski

Sébastien Adenot

Mathieu Lallemant

Stéphane Vidal

Sébastien Potteau

Samuel Leroux

Nicolas Renard

Antoine Dutot

Gabriel Ridolfi

Michael Maitre

Julien Lambey

Clement Philippe Recoura

Philippe Lutz

Cyrille D'Hersignerie

Bertrand Bonnomet

Christophe Gouzou

Arnold Rimpau

Jeremie Mulot

Udo Fischer

Yohan Comorassamy

Guillaume Davoult

Stéphane Sorin

Stephane Peyzarat

Clément Recoura

Sven Burgold

Jérémie Mulot

Olivier Delgarde

Stéphane Peyrazat

David Nave

Stéphane Peyzarat

The invention relates to an engine control valve () which comprises a rotatable actuator (), a valve (), and a movement transformation device () suitable for transforming the rotation of the actuator () into translation of the valve (). The movement transmission device () comprises a helical link with uniform pitch for translating the valve ().

Valve comprising a movement transformation device

The invention concerns a suspension element for self-propelled machine comprising:

Suspension element for self-propelled machine

A vehicle including a driving axle (), a driven axle (), a hydraulic pump () and a hydraulic motor () providing hydraulic assistance for driving the driven axle () by lapping off torque applied to the driving axle (). The driving axle () comprising includes a differential () thus defining two output half axles on which wheels are mounted. Rotation of the box allows the output half axles to be rotationally driven at distinct speeds. The hydraulic pump () includes a rotor and a stator, the stator being mounted fixed with respect to the chassis and the rotor being connected to and rotating as one with the differential box (). The hydraulic pumps () are rotationally driven at a speed equal to the average speed of the two half axles associated with the differential () on which the pump is mounted.

Vehicle with hydraulic assistance by transmitting torque from a driving axle to a driven axle

The present invention relates to an assembly comprising &#x2014;an axle (), &#x2014;a steering pivot () mounted on the axle (), &#x2014;a wheel spindle () mounted on the pivot (), &#x2014;a hydraulic motor and a wheel mounted on said spindle (), such that the spindle () is pivotally mounted relative to the axle (), the axle (), the spindle () and the pivot () being provided with communicating hydraulic pipes to supply the hydraulic motor with fluid, the hydraulic pipes being arranged in the axle (), the pivot () and the spindle, the pivot () comprising a shaft member fitted in the axle () about which the spindle () is fitted, the axle () and the spindle () each comprising grooves connected respectively to the hydraulic pipes of the axle () and the spindle () in such a way as to form the rotating joint with the hydraulic pipes of the pivot ().

Wheel support provided with pipes for supplying a hydraulic device

A valve has a first duct and a second duct into which the first duct opens at right angles, thereby defining an intersection that forms a seat for a valve disk that slides in the second duct at right angles to the seat between a closed position and an open position. The valve disk has, facing the seat, a deviation surface of curvilinear profile having a narrow base facing toward the seat and widening away from the seat configured to deflect at right angles to the first duct a gaseous stream originating therefrom.

Poppet valve

The invention relates to A device for transforming a rotation of a gear into a translation of a slide, the device including a supporting member provided with a fixed tubular wall translatably connected to the slide by a cam channel, the gear being rotatably mounted on the supporting member and rotatably connected to the slide which is suitable for pivoting about an axis. The gear comprises a ring rotatably mounted on the tubular wall of the supporting member.

Movement transformation device and valve comprising such a device

A valve has a first duct, a second duct into which the first duct opens, thereby defining an intersection that forms a seat at right angles to the first duct for a valve disk that slides in the second duct at right angles to the seat between a closed position and an open position, and an actuator for operating the valve disk between its two positions. For the open position, the actuator is controlled to bring the valve disk into close proximity to a wall of the second duct facing the seat.

A valve has a first duct and a second duct at right angles to the first duct. The first duct opens into a connecting portion of the second duct, defining an intersection that forms a seat for a valve disk that slides in the connecting portion in a direction at right angles to the seat between a closed position and an open position. The connecting portion has two flat walls facing one another and connected by an end wall. The first duct opens onto one of the flat walls. The end wall partially surrounds the valve disk parallel to the a direction of sliding at a distance from an edge of the valve disk that is such that, for the open position, the end wall defines with the edge of the valve disk and the seat a passage.

Valve with outlet duct

A valve including a body that defines first and second ducts that open out into a third duct. The first duct is provided with a first shutter and the second duct is provided with a second shutter connected to drive means arranged to move the shutters in a normal mode of operation in which the second shutter is in the closed position and the first shutter is adjustable in position between an open position and a first closed position, a stop mode in which the second shutter is in its closed position and the first shutter is in its first closed position, and a secondary mode of operation in which the second shutter is in its open position and the first shutter is in a second closed position.

Two-shutter valve

A device, and a valve including such a device, for converting a pivoting movement of a pinion into a translational movement of a slide. The pinion is mounted to pivot relative to a slide mounting member including a fixed tubular wall. The tubular wall is provided with at least one cam surface acting on a follower roller mounted on a mounting part connected to the pinion in rotation and to the slide in translation. The pinion is carried by the mounting member coaxially with the tubular wall.

Device for converting a pivoting movement of a pinion into a translational movement of a slide, and valve comprising such a device

A valve has a body, a fluid inlet duct and two fluid outlet ducts delimited by the body, an intersection formed at an area where the fluid inlet duct opens into the two fluid outlet ducts, and a butterfly valve disposed in the intersection. The butterfly valve is operable to be actuated between a first extreme position in which the butterfly valve directs the fluid mainly toward the first outlet duct and a second extreme position in which the butterfly valve directs the fluid mainly toward the second outlet duct. In the first extreme position, the butterfly valve has a first portion partially blocking the second outlet duct and, in the second extreme position, the butterfly valve has another portion blocking the first outlet duct.

Valve with operating means between two outlet passages

A three-way valve () with two flaps () respectively positioned in two of the three paths () of the valve and comprising means (-) for controlling and actuating the flaps () to make them pivot from one to the other of two positions in which the paths () are either open or closed. Single control means () are provided for both flaps (), and there are actuating means (-) designed to be controlled by the single control means () and to actuate the two flaps () with a temporal phase shift.

Two-shutter three-way valve

A valve for a combustion engine air intake circuit, where the valve includes a main pipe and a bypass duct with upstream and downstream ends opening into the main pipe. The valve also includes a heating member that is positioned in the bypass duct and a shut-off member mounted such that it can move between a first position in which airflow can pass through the main pipe and a second position in which airflow can pass through the bypass duct.

Valve with bypass duct incorporating a heating member and combustion engine intake circuit with preheating of the air

Internal combustion petrol engine comprising an engine block () connected to an intake circuit () including a compressor () and an exhaust circuit () including a turbine () which drives the compressor, the internal combustion engine including an exhaust gas recirculation circuit () which is connected to the exhaust circuit downstream of the turbine and is connected to the intake circuit upstream of the compressor, the recirculation circuit comprising a cooler. Method of managing such an engine.

Petrol engine having a low-pressure EGR circuit

A motor vehicle internal combustion engine EGR loop, in which:

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Vallangoujard, France

Laurent Albert