Power plants – Pressure fluid source and motor – Pulsator
Patent
1980-03-04
1982-09-14
Hershkovitz, Abraham
Power plants
Pressure fluid source and motor
Pulsator
60581, 60588, B60T 1106
Patent
active
043488668
ABSTRACT:
A master cylinder for a vehicular brake includes a cylinder closed at one end and open at the other end, a sleeve slidably received within the cylinder, a piston assembly including a pair of pistons integrally connected together, a stop on the cylinder for confining the piston assembly within the cylinder, and a spring disposed between the sleeve and piston assembly for normally biasing one end of the sleeve against the closed end of the cylinder and the piston assembly against the stop. One of the pistons and the closed end of the cylinder define a first pressure chamber therebetween and the pistons define a second pressure chamber therebetween. In operation, the sleeve is moved towards one of the pistons in response to a difference in the amount of remaining oil between the two pressure chambers against the force of the spring.
REFERENCES:
patent: 2156205 (1939-04-01), Swift
patent: 3415060 (1968-12-01), Belart
patent: 3423939 (1969-01-01), Lewis
patent: 3461671 (1969-08-01), Venema
patent: 3486337 (1969-12-01), Tenniswood
patent: 4074532 (1978-02-01), Hayashida
Hershkovitz Abraham
Tokico Ltd.
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