Hydrostatic power transfer system with isolating accumulator

Details Hydrostatic power transfer system with isolating accumulator Hydrostatic power transfer system with isolating accumulator

1989-07-18

1991-11-05

Look, Edward K.

Motor vehicles

Power

Including traction motor of kind driven by noncompressible...

60413, 60418, B60K 17356, F15B 102

Patent

active

050624989

ABSTRACT:
A hydrostatic power transfer system for transferring power from a rotating power input shaft to a rotating output shaft comprises a fluid pump driven by the power input shaft. A pump outlet supplies pressurized fluid to a pressure accumulator disposed downstream of the pump. The accumulator has an outlet for discharging fluid under pressure from the accumulator to at least one fluid motor. The accumulator includes two chambers and a pressure transmissive member separating the two chambers. The pressurized fluid from the pump is supplied to and discharged from one of the two chambers and the other chamber includes a spring cushion such as a pressurized gas acting against the pressure transmissive member for insulating the system against vibration transmission through the accumulator.

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Shames, Irving H. Mechanics of Fluids 2nd ed., New York, N.Y., McGraw-Hill Book Co. 6/1982, pp. 258-260.

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