Brake booster with adjustable jump

Details Brake booster with adjustable jump Brake booster with adjustable jump

1989-04-24

1991-01-15

Wayner, William E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, F15B 1316

Patent

active

049845063

ABSTRACT:
In a brake booster comprising a control rod (30) actuating a booster mechanism (34, 20a, 28a) by way of a plunger (28), in order to exert a boosting force on a piston (20) acting on a push rod (46) via a reaction disc (48) made of a deformable material, an adjustable prestress is applied to the latter. This result can be obtained particularly by way of a cover (50) capping a plate (46b), formed at the rear end of the push rod, and the reaction disc (48). The prestress thus applied to the disc makes it possible to adjust the play existing between the latter and the front end of the plunger (28) and consequently the jump of the booster.

REFERENCES:
patent: 4586427 (1986-05-01), Thiel
patent: 4729285 (1978-03-01), Harrison

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