Hydrostatic control unit

Details Hydrostatic control unit Hydrostatic control unit

1977-07-20

1982-10-26

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

60384, 180163, F01C 110, F04C 210, B62D 508

Patent

active

RE0310670

ABSTRACT:
A control unit for controlling fluid flow to a fluid motor and for producing a flow proportional to the rate of rotation of an input shaft and for applying a pressure to the fluid motor proportional to the applied torque on the input shaft. The control unit includes a valve means for directing fluid to a fluid motor in response to rotation of the input shaft. The valve means includes a fixed valve part and a movable valve part. The movable valve part is moved to effect actuation of the valve through a gerotor gearset mechanism which also functions to meter the flow of fluid which is directed to the fluid motor.

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patent: 3561893 (1971-02-01), Baatrup
patent: 3613364 (1971-10-01), Goff
patent: 3687578 (1972-08-01), White et al.

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