Multiple displacement hydraulic motor drive apparatus

Details Multiple displacement hydraulic motor drive apparatus Multiple displacement hydraulic motor drive apparatus

1974-09-30

1976-05-25

Scott, Samuel

Motors: expansible chamber type

Differential

91412, 173 2, 408 9, 90 11R, F15B 1100, F15B 1300, B23B 3908

Patent

active

039584941

ABSTRACT:
A rotary power drive is provided for delivering a substantially constant horsepower over a wide speed range in one direction of rotation comprising two or more constant displacement hydraulic motive means operatively associated with a shaft to be driven thereby, an overrunning clutch operatively interposed between at least one of such motive means and said shaft, and means for supplying hydraulic drive fluid to such motive means in different combinations over different shaft speed ranges to provide a multiple displacement hydraulic motor drive apparatus.

REFERENCES:
patent: 2616259 (1952-11-01), Quintilian
patent: 2658343 (1953-11-01), McGill
patent: 3194368 (1965-07-01), Benson et al.
patent: 3803981 (1974-04-01), Allgeyer
patent: 3874809 (1975-04-01), Hahn et al.

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