Compact master cylinder with integral reservoir connected to hol

Details Compact master cylinder with integral reservoir connected to hol Compact master cylinder with integral reservoir connected to hol

1988-04-04

1990-03-27

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

92110, 92117R, 92118, B60T 1122, B60T 1128, F01B 1502

Patent

active

049109626

ABSTRACT:
A compact master cylinder suitable, for example, for vehicle clutch or brake systems. An integral fluid reservoir body is connected to a piston stem extending to a piston head in the cylinder. The stem has a longitudinal passage connected to an orifice at the reservoir inlet. This orifice is valved by a valve closure member having a spherical head and an elastomeric cap. In the retracted state a stop secured to the cylinder limits movement of the piston out of the bore and the valve closure member opens to allow entry of make-up fluid from the reservoir.

REFERENCES:
patent: 2148273 (1939-02-01), Labrie
patent: 2239673 (1941-04-01), Fowler
patent: 2284935 (1942-06-01), White
patent: 2377017 (1945-05-01), Lacoe
patent: 2525740 (1950-10-01), Trevaskis
patent: 4671065 (1987-06-01), Ishiwata
patent: 4736588 (1988-04-01), Leiber
patent: 4753075 (1988-06-01), Nomura et al.
patent: 4773224 (1988-09-01), Sakamoto et al.

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