Title:
HYDRAULIC ASSEMBLY FOR BRAKING A VEHICLE AND REDUCING THE FREE TRAVEL OF SAID VEHICLE
Document Type and Number:
WIPO Patent Application WO/2012/072390
Kind Code:
A3
Abstract:
The invention relates to a hydraulic brake assembly (1) comprising a braking-assistance servomotor (2), a master cylinder (3), a first hydraulic-fluid tank (19) supplying hydraulic fluid to a primary chamber (16) of the master cylinder, and a second hydraulic-fluid tank (24) supplying hydraulic fluid to a thrust chamber of the servomotor. According to the invention, the assembly includes a third pipe (26) leading from the second tank into the primary chamber of the master cylinder. The filling of the primary chamber with fluid is controlled via the second tank and via the third pipe at the instant the brake pedal is depressed and prior to the filling of the thrust chamber.
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Inventors:
CAGNAC BASTIEN (FR)
ANDERSON CHRIS (FR)
ANDERSON CHRIS (FR)
Application Number:
PCT/EP2011/069744
Publication Date:
September 07, 2012
Filing Date:
November 09, 2011
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
CAGNAC BASTIEN (FR)
ANDERSON CHRIS (FR)
CAGNAC BASTIEN (FR)
ANDERSON CHRIS (FR)
International Classes:
B60T8/44; B60T8/1755; B60T13/66; B60T13/68; B60T13/74; B60T15/36
Foreign References:
| DE3502474A1 | 1986-07-31 | |||
| US5123712A | 1992-06-23 | |||
| EP0225212A1 | 1987-06-10 | |||
| US20030168909A1 | 2003-09-11 | |||
| US6315371B1 | 2001-11-13 | |||
| EP2223833A2 | 2010-09-01 | |||
| US20030030321A1 | 2003-02-13 | |||
| DE3821225A1 | 1989-02-02 |
Attorney, Agent or Firm:
HURWIC, Aleksander (Service Brevets126 rue de Stalingrad, DRANCY, FR)
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