Hydraulic system for operation of a winch

Details Hydraulic system for operation of a winch Hydraulic system for operation of a winch

1978-10-04

1980-02-19

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having selecting means distributing motive fluid between...

60486, 60905, 254172, F15B 1306, F15B 1309

Patent

active

041887905

ABSTRACT:
Hydraulic system for operation of a winch, including a hydraulic motor for operation of the winch, a pump for pumping hydraulic oil for operation of the motor, a manoeuvering valve for control of the speed of the motor and rotational direction, a first choke valve which is connected in series with the pump, and a second choke valve which is connected in parallel with the motor, the system including two or more hydraulic motors connected in parallel, with throughflow both ways, preferably of the multi-stage type, and drive-connected to the same winch shaft.

REFERENCES:
patent: 3757524 (1973-09-01), Poyner et al.
patent: 3768263 (1973-10-01), Olson et al.

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