Power plants – Pressure fluid source and motor – Pulsator
Patent
1989-04-03
1991-05-28
Kwon, John T.
Power plants
Pressure fluid source and motor
Pulsator
60589, 60592, B60T 1120
Patent
active
050183532
ABSTRACT:
A dual chamber master cylinder has a center compensating valve for bypass compensation of the secondary pressurizing chamber, eliminating lip seal damage to the secondary piston seal that can occur when a bypass port is provided in the wall of the secondary pressurizing chamber.
REFERENCES:
patent: 3068651 (1960-07-01), Shutt
patent: 3659421 (1972-05-01), Wilson et al.
patent: 4550567 (1985-11-01), Schaefer
patent: 4553395 (1985-11-01), Price et al.
patent: 4621498 (1986-11-01), Schaefer
patent: 4707989 (1987-11-01), Nakamura et al.
General Motors Corporation
Helms Ernie E.
Kwon John T.
Lopez F. Daniel
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