TANDEM MASTER CYLINDER FOR ELECTROHYDRAULIC BRAKING SYSTEMS
The invention concerns a master cylinder comprising a body (12) delimiting primary (14) and secondary (16) pressure chambers separated by an axially mobile piston (22), called secondary piston, means (28) for hydraulic connection between the primary pressure chamber (14) and braking force simulating...
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Main Authors | , , , |
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Format | Patent |
Language | English French |
Published |
27.03.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | The invention concerns a master cylinder comprising a body (12) delimiting primary (14) and secondary (16) pressure chambers separated by an axially mobile piston (22), called secondary piston, means (28) for hydraulic connection between the primary pressure chamber (14) and braking force simulating means (30), and complementary mobile (32) and fixed means for closing the hydraulic connection means (28). The mobile (32) and fixed (34) closure means are borne respectively by the secondary piston (22) and the body (12). The secondary piston (22) is axially mobile between a neutral position, wherein the complementary closure means (32, 34) are spaced apart from each other and a co-operating position of said complementary closure means (32, 34). The secondary piston (22) comprises two parts (22P, 22D) axially mobile relative to each other to adjust the relative axial position of the mobile (32) and fixed (34) closure means when the secondary piston (22) is in neutral position.
Ce maître-cylindre comprend un corps(12) délimitant des chambres de pression primaire (14) et secondaire (16) séparées par un piston (22) déplaçable axialement, dit piston secondaire, des moyens (28) de raccordement hydraulique de la chambre de pression primaire (14) ô des moyens (30) de simulation d'effort de freinage, et des moyens complémentaires mobiles (32) et fixes (34) d'obturation des moyens de raccordement hydraulique (28). Les moyens d'obturation mobiles (32) et fixes (34) sont portés respectivement par le piston secondaire (22) et le corps (12). Le piston secondaire (22) est déplaçable axialement entre une position de repos, dans laquelle les moyens complémentaires d'obturation (32, 34) sont espacés les uns des autres, et une position de coopération de ces moyens complémentaires d'obturation (32, 34). Le piston secondaire (22) comporte deux parties (22P, 22D) déplaçables axialement l'une par rapport ô l'autre pour régler la position axiale relative des moyens d'obturation mobiles (32) et fixes (34) lorsque le piston secondaire (22) est dans la position de repos. |
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Bibliography: | Application Number: WO2002FR03066 |