Brake actuation assembly

Details Brake actuation assembly Brake actuation assembly

1982-11-01

1985-07-30

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

605471, 91369A, 91391R, 92169, B60T 1314, F15B 910, F15B 1310

Patent

active

045313709

ABSTRACT:
A brake actuation assembly 10 having a master cylinder 12 attached to a stationary wall (14) of a vehicle and a power assist apparatus 16. Linkage 66 connects a movable wall 125 in the power assist apparatus 16 with pistons 64 and 68 in chambers 60 and 62 in the master cylinder 12. A valve 133 responds to an input from an operator to allow a pressure differential to be created across wall 125. The pressure differential moves the wall 125 while at the same time the linkage moves pistons 64 and 68 to pressurize fluid in the master cylinder 12. An adjustment mechanism 82 acts on the piston 68 to control the timing of the interruption of fluid communication between a reservoir 46 and chambers 60 and 62 as a direct function of movement of wall 125.

REFERENCES:
patent: 2900962 (1959-08-01), Ingres
patent: 2957454 (1960-10-01), Stelzer
patent: 3408815 (1968-11-01), Stelzer
patent: 4282799 (1981-08-01), Takeuchi
patent: 4400943 (1983-08-01), Belart

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