Brake booster

Details Brake booster Brake booster

1986-09-12

1988-10-18

Chambers, A. Michael

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, F15B 910

Patent

active

047778652

ABSTRACT:
The valve member (5) of the distribution valve mechanism of the booster comprises an active part (19), cooperating selectively with the valve seats (18; 17) in the hub (8) of the piston (2) and on the valve plunger (13), and an axial undulated tubular part (24) mounted, by its rear end, on an internal end (26) of a valve-member support (27) forming bearing zones (282; 281) for a spring (31) causing the return movement of the input rod (14) and for a spring (30) biasing the valve member and mounted, by its external periphery (29), in the tubular hub (8).

REFERENCES:
patent: 4535591 (1985-08-01), Kobayashi
patent: 4630525 (1986-12-01), Nishii
patent: 4641568 (1987-02-01), Boehn et al.

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