Output split type hydrostatic transmission

Details Output split type hydrostatic transmission Output split type hydrostatic transmission

1974-03-25

1976-07-20

Scott, Samuel

Machine element or mechanism

Elements

Gear casings

747205, 74740, F16H 4704, F16H 3706

Patent

active

039699587

ABSTRACT:
A hydrostatic transmission includes a hydraulically controlled speed differential means drivingly connected with an output shaft for transmitting the rotation torque of an input shaft to the output shaft and including a hydraulic element functionable as a reaction element therefor, a hydraulic positive displacement pump-motor drivingly connected with the input shaft for controlling the hydraulic element in accordance with the displacement ratio thereof, and a line circuit to provide hydraulic communication between the hydraulic element and the pump-motor. In the hydrostatic transmission, a drive power train selector gear unit is disposed between the input shaft and the speed differential means to selectively complete the forward and reverse drive power trains inbetween the input shaft and the output shaft by way of the speed differential means.

REFERENCES:
patent: 3090253 (1963-05-01), Linsley et al.
patent: 3135129 (1964-06-01), Merritt
patent: 3489036 (1970-01-01), Cockrell et al.
patent: 3580107 (1971-05-01), Orshansky, Jr.
patent: 3596535 (1971-08-01), Polak
patent: 3675507 (1972-07-01), Takekawa
patent: 3714846 (1973-02-01), Louis et al.
patent: 3736813 (1973-06-01), Kress et al.
patent: 3783711 (1974-01-01), Orshansky, Jr.

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