Tandem brake booster

Details Tandem brake booster Tandem brake booster

1987-04-02

1988-01-12

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, 92 48, F15B 910, F01B 1900

Patent

active

047183268

ABSTRACT:
A tandem brake booster which includes a housing, front and rear movable walls positioned in the housing, a partition wall interposed between the front and rear movable walls and a valve mechanism provided in the rear movable wall for generating pressure difference between first and second constant pressure chambers and first and second variable pressure chambers. A key is inserted within a case member of the housing and serves to prevent excess movement of the case in an axial direction by blocking rotation of such case.

REFERENCES:
patent: 4173172 (1979-11-01), Ohmi
patent: 4512237 (1985-04-01), Endoh et al.
patent: 4516474 (1985-05-01), Ochiai

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