Means and method for controlling a hydromechanical...

Power plants – Pressure fluid source and motor – Input pump and rotary output motor system having...

Reexamination Certificate

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Reexamination Certificate

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11029871

ABSTRACT:
A system for operating a hydromechanical transmission having a movable input member that transmits a signal to a control unit that uses predefined logic to determine if a hydrostatic transmission should be in a first low speed mode that uses displacement control or if it should be in a second high speed mode that uses a power, torque, or speed control scheme.

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patent: 2004/0038772 (2004-02-01), McIndue et al.

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