B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
342/24, 138/41.1
B62D 11/04 (2006.01) B62D 11/18 (2006.01) F16H 39/02 (2006.01)
Patent
CA 1127504
CONTROL FOR EFFECTING DOWNSHIFT DURING VEHICLE TURNING OPERATIONS Abstract of the Disclosure A vehicle is provided with right and left traction drives powered by first and second reversible two-speed hydraulic motors. A solenoid-operated speed control valve is coupled to the motors for shifting the latter to high speed operation in response to the valve being energized. Travel control valves for the motor are coupled to switches connected in the circuitry for control- ling the speed control valve such that during high speed operation of the vehicle the motors will be automatically downshifted in response to the travel control valves being operated to cause the vehicle to be turned.
348425
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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