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1. (WO1991005688) BRAKING SYSTEM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/005688 International Application No.: PCT/DE1990/000731
Publication Date: 02.05.1991 International Filing Date: 27.09.1990
IPC:
B60T 8/40 (2006.01) ,B60T 8/42 (2006.01) ,B60T 8/48 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
T
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8
Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32
responsive to a speed condition, e.g. acceleration or deceleration
34
having a fluid pressure regulator responsive to a speed condition
40
comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
T
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8
Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32
responsive to a speed condition, e.g. acceleration or deceleration
34
having a fluid pressure regulator responsive to a speed condition
42
having expanding chambers for controlling pressure
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
T
VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8
Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32
responsive to a speed condition, e.g. acceleration or deceleration
34
having a fluid pressure regulator responsive to a speed condition
48
connecting the brake actuator to an alternative or additional source of fluid pressure
Applicants:
ROBERT BOSCH GMBH [DE/DE]; Postfach 30 02 20 D-70442 Stuttgart, DE (AllExceptUS)
SCHMITT, Edgar [DE/DE]; DE (UsOnly)
SIEGEL, Heinz [DE/DE]; DE (UsOnly)
Inventors:
SCHMITT, Edgar; DE
SIEGEL, Heinz; DE
Priority Data:
P 39 34 829.619.10.1989DE
P 39 39 711.401.12.1989DE
Title (DE) BREMSANLAGE
(EN) BRAKING SYSTEM
(FR) SYSTEME DE FREINAGE
Abstract:
(DE) Es wird eine Bremsanlage mit Antiblockier- und Antriebsschlupfre-gelung mit einem von einem Bremspedal (1) mit Bremsdruck beaufschlagbaren Hauptbremszylinder (2) und angeflanschtem Bremskraftverstärker (3) vorgeschlagen, bei der an der im Bremskreis vorgesehenen Rückförderpumpe (9) ein oder mehrere zusätzliche Pumpenelemente (17, 18) vorgesehen sind, die über eine Saugleitung (19) mit einem Bremsfluidvorratsbehälter (20) sowie über eine Druckleitung (21) mit einem Druckspeicher (23) verbunden sind, wobei über den Druckspeicher (23) der Bremskraftverstärker (3) mit Bremsfluiddruck versorgt wird. Durch die Verwendung des bereits vorhandenen Pumpenmotors (10) der Rückförderpumpe (9) zur Druckversorgung des hydraulischen Bremskraftverstärkers (3) über die zusätzlichen Rückförder-Pumpenelemente (17, 18) entfällt das Erfordernis eines zusätzlichen Motors zur Versorgung des Bremskraftverstärkers (3) mit Bremsfluiddruck.
(EN) The proposal is for a braking system with anti-lock and anti-skid control, with a main brake cylinder (2) actuated by the braking pressure applied by a brake pedal (1) and a flanged servo brake (3), in which one or more additional pump components (17, 18) are fitted to the return pump (9) in the brake circuit which are connected via a suction line (19) to a brake fluid reservoir (20) and via a pressure line (21) to a pressure store (23), so that the servo brake (3) is supplied with brake fluid under pressure via the pressure store (23). The use of the existing pump motor (10) of the return pump (9) to pressurise the hydraulic servo brake (3) via additional return pump components (17, 18) obviates the need for an additional motor to supply the servo brake (3) with pressurised brake fluid.
(FR) Il est proposé un dispositif de freinage avec régulation d'antiblocage et antipatinage à l'accélération comportant un maître-cylindre de frein (2) pouvant être alimenté en pression depuis une pédale de frein (1) et un servofrein (3) fixé par bride. Dans la pompe de retour (9) prévue dans le circuit de freinage, se trouvent un ou plusieurs éléments de pompe (17, 18) reliés par l'intermédiaire d'une conduite d'aspiration (19) à un réservoir de fluide de frein (20), ainsi que par l'intermédiaire d'une conduite de refoulement (21) à un accumulateur de pression (23), le servofrein (3) étant alimenté en pression de fluide par l'accumulateur de pression (23). Grâce à l'utilisation du moteur (10) déjà existant de la pompe de retour (9) pour l'alimentation en pression du servofrein hydraulique (3) par l'intermédiaire des éléments de pompe de retour additionnels (17, 18), il n'est plus nécessaire qu'il y ait un moteur additionnel pour l'approvisionnement du servofrein (3) en pression de fluide de freinage.
Designated States: BR, JP, KR, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, IT, LU, NL, SE)
Publication Language: German (DE)
Filing Language: German (DE)