Torque feedback transmission

Details Torque feedback transmission Torque feedback transmission

1984-09-12

1987-01-20

Braun, Leslie A.

Machine element or mechanism

Elements

Gear casings

74677, 74740, F16H 4704

Patent

active

046372750

ABSTRACT:
A torque feedback hydromechanical transmission having one or more planetary gear trains. In one embodiment, feedback comprises a variable displacement hydraulic motor mechanically interconnected to the input shaft and a fixed displacement hydraulic pump driven by the ring gear and supplying hydraulic fluid to the motor. Control over torque and speed ratio is exercised by adjusting displacement within the motor. In other embodiments some of the feedback is mechanical in order to reduce the load on the hydraulic motor and pump.

REFERENCES:
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patent: 3427899 (1969-02-01), Gunderson et al.
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patent: 3733931 (1973-05-01), Nyman et al.
patent: 3903756 (1975-09-01), Hamma
patent: 4089237 (1978-05-01), Scholz
patent: 4109550 (1978-08-01), Murayama
patent: 4134310 (1979-01-01), Orshansky et al.
patent: 4232570 (1980-11-01), Gibson
patent: 4259881 (1981-04-01), Meyerle
patent: 4363247 (1982-12-01), Weseloh

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