Control strategy for optimizing multi-range hydro-mechanical tra

Details Control strategy for optimizing multi-range hydro-mechanical tra Control strategy for optimizing multi-range hydro-mechanical tra

1999-06-11

2000-05-02

Marmor, Charles A

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid pump and motor in one of plural paths to or from...

747321, F16H 4704

Patent

active

060566574

ABSTRACT:
An improved method and system for operating a hydro-mechanical transmission includes varying the engine speed to achieve optimum efficiency. The engine speed and the speed of the hydraulic motor are varied to result in a combined output that maximizes efficiency at shift points.

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