B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
138/41.15, 138/4
B60K 17/34 (2006.01) B60K 17/10 (2006.01) B60K 17/356 (2006.01) F16H 39/02 (2006.01)
Patent
CA 1123707
AUXILIARY DRIVE SYSTEM WITH NEUTRAL Abstract of the Disclosure The steerable wheels of a hydraulically driven vehicle are provided with auxiliary motors which are connected in para- llel both with each other and with the motor which powers the main drive wheels. A selector valve permits the motors for the steerable wheels to be optionally connected and disconnected from the reversible, variable displacement main pump. Flow dividers in the hydraulic lines limit the maximum flow of fluid to any one hydraulic motor. The auxiliary motors are of the variable displacement type, enabling them to be destroked to neutral when disconnected from the main pump. Destroking to neutral eliminates energy loss due to the pumping of large quantities of hydraulic fluid through a closed loop when the motors are driven by the wheels.
358867
Revere (paul) Corporation (the)
Ridout & Maybee Llp
LandOfFree
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