Hydraulic transmission coupling apparatus

Details Hydraulic transmission coupling apparatus Hydraulic transmission coupling apparatus

1987-05-26

1989-05-16

Croyle, Carlton R.

Power plants

Miscellaneous

192 60, F16D 3102

Patent

active

048297690

ABSTRACT:
A power transmission apparatus uses a vane pump in which a rotor coupled to a second rotary shaft is rotatably housed in a rotatable housing coupled to a first rotary shaft, and flow of hydraulic operating fluid in the vane pump due to relative rotation of the first and second rotary shafts is regulated to transmit drive force between the first and second rotary shafts. In the power transmission apparatus, small passages are formed in pump chambers defined between the housing and the rotor to permit flow, to a certain extent, of hydraulic operating fluid between delivery side chambers and suction side chambers formed by partitioning the pump chambers by movable vanes mounted in the rotor, thereby preventing fluctuation of torque transmitted between the first and second rotary shafts and preventing occurrence of cavitation in the pump chambers.

REFERENCES:
patent: 1105792 (1914-08-01), Jessen
patent: 1227910 (1917-05-01), Hubbard
patent: 2132631 (1938-10-01), Jones
patent: 2498801 (1950-02-01), Fraser
patent: 2681713 (1954-06-01), Chambers
patent: 3184022 (1965-05-01), Olson
patent: 4727966 (1988-03-01), Hiramatsu et al.

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