| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil supply system in which a plurality of oil pumps are arranged in parallel with each other, and fine bubbles accumulated in an oil pump in standby can be discharged by circulating a part of oil flow from an oil pump in operation to the oil pump in standby, so that trouble occurring upon starting the pump in standby can be prevented.SOLUTION: There is provided an oil supply system 1 including: an oil tank 2 for storing oil; a plurality of oil pumps 4a, 4b disposed in parallel with each other and supplying oil to equipment 19; suction pipes 3a, 3b for guiding the oil from the oil tank to the oil pumps; discharge pipes 5a, 5b respectively connected to the plurality of oil pumps, joined at a confluent point 8 and guiding the oil to the equipment; and check valves 7a, 7b respectively disposed in the branched discharge pipes upstream from the confluent point. The oil supply system 1 further includes common pipes 9a, 9b for connecting the discharge pipes of the plurality of oil pumps at places upstream from the respective check valves, and a return pipe 12 branched from the common pipes and connected to the oil tank. |
