Master cylinder

Details Master cylinder Master cylinder

1984-10-15

1985-05-07

Hershkovitz, Abraham

Power plants

Pressure fluid source and motor

Pulsator

B60T 1128

Patent

active

045149852

ABSTRACT:
The master cylinder (10) comprises a seal cup (24) made from an elastomeric material assembled with axial and radial play around the head (18) of the piston (16). A stop ring (40) slidably received in the bore (14) permits to unseat the seal cup (24) from the shoulder (30) of the piston in order to connect the supply chamber (28) and the pressure chamber (26). When the piston (18) is displaced towards the latter, it displaces the stop ring (40) by the cooperation of two conical surfaces (54 and 56), the seal cup (24) being supported on a flat surface, composed of the radial shoulder (30) of the piston and the radial face 42 of the stop ring (40) substantially continuous.

REFERENCES:
patent: 2561009 (1951-07-01), Byers
patent: 3165896 (1965-01-01), Baldwin
patent: 3264006 (1966-08-01), Downs
patent: 4099380 (1978-07-01), Cadeddu

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