Hydraulic brake booster and control valve therefor

Details Hydraulic brake booster and control valve therefor Hydraulic brake booster and control valve therefor

1980-01-24

1981-10-27

Michalsky, Gerald A.

Motors: expansible chamber type

Working member moved by stored motive fluid charge

91 6, F15B 2000

Patent

active

042966710

ABSTRACT:
A hydraulic brake booster defines a pressure chamber (24) and includes a control valve (26). A sleeve (40) on the control valve includes a spacer (58) and the control valve includes an annular member (60). The spacer is engageable with a booster housing (14) to limit movement of the sleeve and the annular member is engageable with an accumulator valve assembly (32) during a failure mode to provide a safety power assist. The spacer is also maintained in spaced relation to the accumulator valve assembly.

REFERENCES:
patent: 3719044 (1973-03-01), Bach
patent: 3877227 (1975-04-01), Demido
patent: 4084304 (1978-04-01), Myers

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