Power plants – Pressure fluid source and motor – Condition responsive control of or by input to input pump...
Patent
1975-01-30
1976-04-27
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Condition responsive control of or by input to input pump...
60433, 60434, 74478, 74474, F16H 3946, F15B 1518
Patent
active
039525120
ABSTRACT:
Coordinated control of engine speed, transmission drive ratio and drive direction is provided for with a single foot pedal and a compact economical linkage arrangement for coupling the pedal to a vehicle engine and hydrostatic transmission. Forward rocking of the pedal from a neutral position progressively increases transmission drive ratio in the forward direction while backward rocking of the pedal from the neutral position progressively increases the drive ratio in the reverse direction. The pedal linkage further produces a unidirectional progressive motion of the engine speed control upon being rocked in either the forward or backward direction and this engine speed control motion may be continued by additional pedal movement after the transmission control member has reached the maximum possible movement in either direction.
REFERENCES:
patent: 3003309 (1961-10-01), Bowers et al.
patent: 3284999 (1966-11-01), Lease
patent: 3369360 (1968-02-01), De Biasi
patent: 3691863 (1972-09-01), Shaffer
patent: 3826097 (1974-07-01), Tone
Geoghegan Edgar W.
Towmotor Corporation
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