Fluid-pressure and analogous brake systems – Supplementary reservoir
Patent
1977-08-26
1978-10-10
Reger, Duane A.
Fluid-pressure and analogous brake systems
Supplementary reservoir
303 13, 303 71, B60T 1516
Patent
active
041193555
ABSTRACT:
An auxiliary release apparatus for use with a hydraulic pressure releasable brake having a principal source of hydraulic pressure comprises an auxiliary source of hydraulic pressure selectively connectable to the brake for releasing the brake when the principal source of hydraulic pressure is not operating. The auxiliary release apparatus includes a shuttle valve and a relief valve for automatically disconnecting the auxiliary source and reconnecting the principal source of hydraulic pressure from the brake when the principal source of hydraulic pressure is operating. The auxiliary source of hydraulic pressure includes a cylinder, a hand pump comprising a handle and a piston connected to the handle and disposed in the cylinder, a fluid supply reservoir and suitable connection lines between the fluid supply and the cylinder. The relief valve also regulates the amount of pressure provided to the brake by the hand pump.
REFERENCES:
patent: 3272566 (1966-09-01), Clack
patent: 3279865 (1966-10-01), Bohn
patent: 3314438 (1967-04-01), Ike
patent: 3385636 (1968-05-01), Cruse
Lambert Brake Corporation
Reger Duane A.
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