Tandem master cylinder

Details Tandem master cylinder Tandem master cylinder

1989-03-03

1990-08-28

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

60585, 60589, B60T 832, B60T 1312, B60T 1120

Patent

active

049514709

ABSTRACT:
A tandem master cylinder for a hydraulic brake unit with slip control. In the housing of the brake unit a primary piston pre-loaded by a first return spring and a secondary piston pre-loaded by a second return spring define a primary and a secondary pressure chamber within a longitudinal bore. The pressure chambers are connected to a fluid reservoir and are associated with a first and a second control valve which release or shut off a second connection between the pressure chambers and the fluid reservoir depending on an actuating force. In order to reduce the overall axial length of the tandem master cylinder, the control valves (10, 11) are arranged outside the pistons (6, 7) and are actuated linearly by the pistons (6, 7).

REFERENCES:
patent: 3060691 (1962-10-01), Davis
patent: 3064432 (1962-11-01), Shutt
patent: 3522706 (1970-08-01), Bueler
patent: 3701257 (1972-10-01), Gaiser
patent: 3800539 (1974-04-01), Le Marchand
patent: 3818706 (1974-06-01), Gaiser
patent: 4084377 (1978-04-01), Gaiser
patent: 4114377 (1978-09-01), Shellhause
patent: 4152897 (1979-05-01), Falk
patent: 4197710 (1980-04-01), Leiber
patent: 4571944 (1986-02-01), Kubota
patent: 4783965 (1988-11-01), Kervagoret
patent: 4852351 (1989-08-01), Price

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