Power plants – Pressure fluid source and motor – Having a mechanical clutch or brake device in the power train
Patent
1975-01-06
1976-04-27
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Having a mechanical clutch or brake device in the power train
60444, 60446, F16H 3946, F15B 1102
Patent
active
039525139
ABSTRACT:
A fluid system having a variable displacement fluid pump connected in a closed-loop fashion to a pair of inlet ports of a fluid motor of the type having two output shafts and a fluid pressure responsive means operable upon communication with fluid pressure through said inlet ports to translate said fluid pressure to one of the output shafts in the form of a high torque output while rotating one shaft at a low speed. The fluid pressure responsive means of the fluid motor is further operable to translate fluid pressure to the other of the drive shafts in the form of a low torque output while rotating the other shaft at a high speed. Suitable clutching means responsive to selective operation of the system are provided for alternate and independent coupling of the motor output shafts to a common system drive shaft to provide an output of which the speed and torque may be selectively varied from a high speed-low torque output to a high torque-low speed output.
REFERENCES:
patent: 2493512 (1950-01-01), Vickers
patent: 3653208 (1972-04-01), Kubik
patent: 3713291 (1973-01-01), Kubik
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