PUMP-ACCUMULATOR HYDRAULIC DRIVE Russian patent published in 2000 - IPC

Abstract RU 2158696 C1

FIELD: hydraulics; control systems of various machines, ships, flying vehicles, etc. SUBSTANCE: low-pressure pump of pump-accumulator hydraulic drive is provided with device for control of delivery by delivery pressure; control chamber of this device is connected with delivery hydraulic line of high-pressure pump. Delivery hydraulic line of low-pressure pump is connected with control chambers of distributing spool valve and nozzles of electric hydraulic booster, type "nozzle - flap" via liquid-flow restrictor. EFFECT: reduced power requirements; improved temperature conditions of hydraulic drive in modes close to braking loads. 1 dwg

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RU 2 158 696 C1

Authors

Rjabov V.M.

Red'Ko P.G.

Dates

2000-11-10—Published

1999-09-20—Filed