Power plants – Pressure fluid source and motor – Pulsator
Patent
1983-09-26
1986-01-21
Garrett, Robert E.
Power plants
Pressure fluid source and motor
Pulsator
605471, 60591, 91376R, 303 22R, F15B 700, F15B 910, B60T 818, B60T 1300
Patent
active
045650675
ABSTRACT:
A brake system for a vehicle comprises a booster unit including a power piston disposed slidably in a housing for defining a first chamber and a second chamber in the housing, a regulator disposed slidably in the power piston, a flow restrictor formed between the first chamber and a fluid pressure source for restricting flow of fluid in response to movement of the regulator, a pilot pressure chamber disposed upstream of the flow restrictor, a movable member moved by the internal pressure of the pilot pressure chamber thereby permitting communication between the second chamber and the fluid pressure source, and a reaction spring disposed between the power piston and the regulator. A master cylinder is connected to the power piston of the booster unit to supply braking hydraulic fluid at controlled pressure to front and rear brakes, and a brake pedal actuates the regulator of the booster unit to cause movement of the regulator relative to the power piston.
REFERENCES:
patent: 3199298 (1965-08-01), Brown
patent: 3257810 (1966-06-01), Hanni
patent: 3408118 (1966-12-01), Asano et al.
patent: 3650573 (1972-03-01), Inada et al.
patent: 3670771 (1972-06-01), Dewberry
patent: 3862781 (1975-01-01), King et al.
patent: 3871497 (1975-03-01), Bessiere
patent: 4207914 (1980-06-01), Holloway et al.
patent: 4416188 (1983-11-01), Katagiri et al.
Eto Shin'ichi
Funakoshi Takeshi
Hashikura Kiyoteru
Nishikawa Susumu
Tani Masanori
Garrett Robert E.
Kapsalas George
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
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