Hydraulic power source system
A hydraulic power source and hydraulic system technology, applied in the direction of fluid pressure actuators, etc., can solve the problems of large volume, weight, restriction, and difficult use and operation, and achieve the effects of reducing production costs and improving reliability and safety
Active Publication Date: 2010-02-24
CHENGDU CHENGSHE AVIATION TECH
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The invention discloses a hydraulic power source system which comprises a hydraulic system and an auxiliary hydraulic device. The hydraulic system comprises an oil pump, a one-way valve, a first oil filter, a second oil filter, a switch, a scavenge filter and a radiator which are sequentially connected to form a loop; the auxiliary hydraulic device comprises an oil tank and a low-pressure oil transfer pump unit; the oil tank is connected between the oil pump and the radiator of the hydraulic system by a one-way counterbalance valve; and the low-pressure oil transfer pump unit is connected between the first oil filter and the one-way valve of the hydraulic system by an oil supply one-way valve. The invention has the advantages that a switching device in an open-close mode in a common hydraulic power source system is canceled and replaced by a hydraulic auxiliary system, thereby improving the reliability and the safety of the hydraulic power source system and decreasing the production cost. When the hydraulic system works, the auxiliary hydraulic device does not work, and the common characteristics and respective independence of the two systems are fully ensured.
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