Fluid gear coupling

Details Fluid gear coupling Fluid gear coupling

1979-04-23

1981-02-03

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Fluent material

192103FA, 192105F, F16D 3104, F16D 4324

Patent

active

042483328

ABSTRACT:
The present invention is drawn to a fluid gear coupling in which the lock up RPM between the drive member or power input shaft and the driven member or power output shaft is variable depending on the torque or power applied to the drive member or power input shaft. The present invention employs valves on the drive member which close off the exit ports of a pump disposed between the drive member and the driven member which are responsive to both pressure and centrifugal force. In the preferred embodiment of the present invention, check valves are provided in the main inlet ports of the pump along with auxiliary inlet ports so as to brake the device and prevent freewheeling upon deceleration.

REFERENCES:
patent: 2281292 (1942-04-01), Hoover
patent: 2329564 (1943-09-01), Corrigan
patent: 2377350 (1945-06-01), Marsch
patent: 2418625 (1947-04-01), Cornelius
patent: 2644561 (1963-07-01), Dikeman
patent: 2730218 (1956-01-01), Wickman

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