Hydraulic brake booster

Details Hydraulic brake booster Hydraulic brake booster

1984-03-12

1985-09-10

Maslousky, Paul E.

Motors: expansible chamber type

With alternative manual actuation of load

Alternate pedal positions

91 5, 91 6, 91448, 605473, F15B 1310, F01B 2502

Patent

active

045398925

ABSTRACT:
A hydraulic brake booster comprises a housing forming a pressure chamber and a pair of bores leading to the pressure chamber. One of the bores receives an output piston and the other bore receives a valve member. The valve member is movable by an input actuator to control communication of fluid pressure to the pressure chamber. The end of the valve member within the pressure chamber carries a sleeve and a poppet. The sleeve resiliently imparts movement to the valve member and the poppet cooperates with the sleeve to close communication to the pressure chamber in response to movement of the sleeve relative to the valve member.

REFERENCES:
patent: 3610101 (1971-10-01), Meyers
patent: 4281585 (1981-08-01), Runkle et al.
patent: 4353209 (1982-10-01), Putt
patent: 4377105 (1983-03-01), Fecher

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