Hydraulic booster valve

Details Hydraulic booster valve Hydraulic booster valve

1979-12-14

1981-09-22

Maslousky, Paul E.

Motors: expansible chamber type

With alternative manual actuation of load

Alternate pedal positions

91434, 60547B, F15B 1310

Patent

active

042903424

ABSTRACT:
The present invention is an improved hydraulic booster which allows transition from a manual braking mode to a power assist braking mode without the control called for in the manual mode immediately applied when the power assist function begins to operate. This is accomplished by opening a path through a chamber in the gain valve and a bypass passage to prevent a sudden pressure buildup in the hydraulic booster at the gain valve when the hydraulic booster is operated in a manual mode and the fluid pumping means is suddenly started.

REFERENCES:
patent: 3093119 (1963-06-01), Stelzer
patent: 3173339 (1965-03-01), Larsen
patent: 3532027 (1970-10-01), MacDuff
patent: 3625113 (1971-12-01), Euler
patent: 3714869 (1973-02-01), Flory et al.
patent: 3979912 (1976-09-01), Kuromitsu

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