Tandem diaphragm brake booster

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type

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Details

91376R, 92 48, 92 99, F15B 910, F01B 1900, F16J 300

Patent

active

042573122

ABSTRACT:
A tandem diaphragm brake booster includes first and second diaphragms disposed in a housing and a pair of diaphragm pistons which are axially movable for assisting braking efforts through manual operation. The two diaphragm pistons are connected to each other by a key member which also serves to prevent an air valve from accidentally returning.

REFERENCES:
patent: 3096689 (1963-07-01), Kytta
patent: 3152518 (1964-10-01), Ayers, Jr.
patent: 3289547 (1966-12-01), Kytta
patent: 3388635 (1968-06-01), Hager
patent: 3603208 (1971-09-01), Kytta
patent: 4069742 (1978-01-01), Gephart et al.
patent: 4173172 (1979-11-01), Ohmi

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