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Title:
HYDRAULIC ASSEMBLY, IN PARTICULAR FOR A DECLUTCHING CONTROL OF A MOTOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/138166
Kind Code:
A1
Abstract:
The present invention relates to a hydraulic assembly, in particular for a declutching control of a motor vehicle. According to the invention, the hydraulic assembly comprises a deformable flexible casing (13) defining an expansion chamber and for which an annular end is sealably fastened to the cylindrical flange (11) and the other annular end is sealably connected to the piston rod (3), the bellows (8) and the casing (13) being in fluid communication in order to absorb the internal volume variations of the bellows (8) in the expansion chamber defined by the casing (13). The invention is particularly applicable in a declutching control device of a motor vehicle.

Inventors:
VOISIN, Jean Philippe (23 BIS RUE BARBIER, EVETTE SALBERT, 90350, FR)
CRETEL, Bruno (5 RUE DE LUXEUIL, RIGNOVELLE, 70200, FR)
BERTAUD, Jean-yves (26 RUE DE NANCY, MAISONS ALFORT, 94700, FR)
PERNIN, Olivier (13 RUE MAX KELLER, CHATENOIS LES FORGES, 90700, FR)
ALBERT, Guillaume (FRIZIONI CORSO FRANCIA 4, MONDOVI, 12084, IT)
Application Number:
FR2018/053290
Publication Date:
July 18, 2019
Filing Date:
December 14, 2018
Export Citation:
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Assignee:
PSA AUTOMOBILES SA (2-10 Boulevard de l'Europe, Poissy, 78300, FR)
VALEO EMBRAYAGES (81 Avenue Roger Dumoulin, AMIENS Cedex 2, 80009, FR)
International Classes:
F15B15/14; F15B7/08; F16J3/04
Foreign References:
EP3258142A12017-12-20
DE102013202767A12013-09-19
FR2779496A11999-12-10
EP3258142A12017-12-20
Attorney, Agent or Firm:
BOURGUIGNON, Eric (PEUGEOT CITROEN AUTOMOBILES SA, Propriété IndustrielleVEIP-VV1400 - ROUTE DE GIZY, VELIZY-VILLACOUBLAY, 78140, FR)
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