Brake booster

Details Brake booster Brake booster

1984-05-30

1987-02-03

Hershkovitz, Abraham

Power plants

Pressure fluid source and motor

Pulsator

91369A, 91450, 92 82, 92168, B60T 1320

Patent

active

046400974

ABSTRACT:
A brake booster having a constant pressure chamber and a variable pressure chamber formed respectively at both front and rear sides of a power piston within a housing, characterized in that a hollow expansion body expansible axially of the power piston is disposed within the constant pressure chamber and one end of the hollow expansion body is secured fixedly to the housing while the other end of the expansion body is connected to a push rod so that the force magnifying ratio of the brake booster is varied by adjusting the internal pressure in the hollow expansion body.

REFERENCES:
patent: 3350882 (1967-11-01), Leising
patent: 3362298 (1968-01-01), Julow
patent: 3543298 (1970-11-01), Rockwell
patent: 4428274 (1984-01-01), Takeuchi
patent: 4434619 (1984-03-01), Kobayashi
patent: 4450688 (1984-05-01), Boehm
patent: 4499812 (1985-02-01), Pressaco

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