Brake booster

Details Brake booster Brake booster

1983-09-12

1985-06-25

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

605471, 60562, 91369A, B60T 1300

Patent

active

045245843

ABSTRACT:
A brake booster includes a master cylinder which is disposed rearwardly of a booster mechanism including a power piston, or toward a brake pedal. A valve mechanism which mechanically cooperates with an input shaft to produce a fluid pressure differential across the power piston includes a first valve seat formed on a valve body defined by a shank portion of the power piston, a second valve seat formed on the input shaft, and a valve head adapted to seat upon the first and the second valve seat in a direction opposite from the direction which is utilized in a conventional brake booster, or in a direction from the front side of the power piston. The valve mechanism is supplied with a fluid pressure from the front side of the power piston, thereby simplifying the construction of a brake booster of the type described.

REFERENCES:
patent: 2900962 (1959-08-01), Ingres
patent: 2929215 (1960-03-01), Stelzer
patent: 2929216 (1960-03-01), Stelzer
patent: 3564849 (1971-02-01), Huruta et al.
patent: 3893379 (1975-07-01), Cripe et al.
patent: 4400943 (1983-08-01), Belart
patent: 4423597 (1984-01-01), Spielmann

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