Brake-booster with hydraulic reaction and adjustable kick

Details Brake-booster with hydraulic reaction and adjustable kick Brake-booster with hydraulic reaction and adjustable kick

1993-09-13

1996-01-30

Look, Edward K.

Power plants

Pressure fluid source and motor

Pulsator

605471, 91376R, B60T 1320, F15B 910

Patent

active

054872715

ABSTRACT:
This brake-booster device comprises a pneumatic brake-booster (1) associated with a master cylinder (2). The booster comprises a movable pneumatic piston (5) bearing a valve (7) and functions according to a hydraulic reaction principle, the hydraulic piston (11) of the master cylinder comprising in fact a hollow movable cylinder (13) receiving a boost force, and a secondary hydraulic piston receiving an input force, these two forces constituting the total actuation force. A helical spring (22), exerting an adjustable resilient force, is disposed between the secondary hydraulic piston and the movable cylinder so as to permit the adjustment of the non-zero minimal value of the actuation force.

REFERENCES:
patent: 3076315 (1963-02-01), Hager
patent: 3183789 (1965-05-01), Stelzer
patent: 4417445 (1983-11-01), Furuta
patent: 4667567 (1987-05-01), Morimoto
patent: 4738108 (1988-04-01), Kobayashi et al.
patent: 5136927 (1992-08-01), Rossigno et al.
patent: 5305606 (1994-04-01), Schonlau et al.

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