Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Radially disposed cylinders
Patent
1976-04-28
1978-05-30
Freeh, William L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Radially disposed cylinders
60469, 418 31, F01B 1306, F16D 3102
Patent
active
040917177
ABSTRACT:
A vibration reducing shoe for biasing a cam ring of a variable displacement ball pump into engagement with a surface of the pump housing. In a hydrostatic transmission having a variable displacement pump and a fixed displacement motor a pair of shoes are located within bores in the pintle. The shoes are slidably received in the bores and exert a force against the cam ring which is proportional to the pressure of the fluid used to rotate the motor. Since the pump is reversible, one shoe is in fluid communication with one of the passages directing fluid to the motor and the other shoe is in fluid communication with the other passage. Accordingly, the force exerted on the cam ring by the shoes increases and decreases with increases and decreases in the pressure of the fluid from the pump to the motor.
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Bojas Edward J.
Ours David C.
Eaton Corporation
Freeh William L.
McCloskey R. J.
Yakimow J. W.
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