Steer-by-driving transmission with ground speed control

Details Steer-by-driving transmission with ground speed control Steer-by-driving transmission with ground speed control

1988-12-14

1989-08-29

Diehl, Dwight G.

Machine element or mechanism

Elements

Gear casings

74675, 74677, F16H 4708, F16H 4704

Patent

active

048606138

ABSTRACT:
A steer-by-driving power train has a single input dual output range transmission. The power train also has a hydraulic steering system which, during normal operation, distributes equal but opposite rotation to the output member through a reversing gear mechanism. A ground speed control transmission independent of engine speed is attained by disconnecting the steer mechanism from the reversing gear mechanism and connecting the steer system to the dual output of the range transmission and placing the gearing of the range transmission in neutral. The vehicle ground speed is controlled by controlling the displacement of the hydrostatic steer system.

REFERENCES:
patent: 3884095 (1975-05-01), Miyao et al.
patent: 4183264 (1980-01-01), Reed
patent: 4420991 (1983-12-01), Meyerle
patent: 4485091 (1984-12-01), Reed
patent: 4569251 (1986-02-01), Greenwood
patent: 4614132 (1986-09-01), Hall, III
patent: 4663987 (1987-05-01), Maruyama et al.
patent: 4682515 (1987-07-01), Reed
patent: 4718299 (1988-01-01), Greenwood

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