Master cylinder with fast fill auxiliary chamber within a piston

Power plants – Pressure fluid source and motor – Pulsator

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Details

60578, 60591, B60T 1120

Patent

active

043983901

ABSTRACT:
A master cylinder includes a housing defining a reservoir containing fluid. A bore within the housing communicates with the reservoir and movably receives a pair of pistons which substantially define a pair of pressure chambers. One of the pistons includes a cavity movably receiving a position sensitive piston which cooperates with the one piston to define an auxiliary pressure chamber. When the one piston is moved during a brake application, the position sensitive piston is movable relative to the one piston to generate fluid pressure within the auxiliary pressure chamber. A passage between the auxiliary pressure chamber and one of the pair of pressure chambers provides one way communication between the auxiliary and one pressure chambers.

REFERENCES:
patent: 3140587 (1964-07-01), Stelzer
patent: 3312062 (1967-04-01), MacDuff
patent: 3605410 (1971-09-01), Herriott
patent: 3698190 (1972-10-01), Miyai
patent: 4086770 (1978-05-01), Shaw
patent: 4133178 (1979-01-01), Brooks, Sr.
patent: 4170386 (1979-10-01), Shutt
patent: 4201054 (1980-05-01), Bainbridge
patent: 4311007 (1982-01-01), Gaiser

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