Method and apparatus for controlling engine speed during power t

Details Method and apparatus for controlling engine speed during power t Method and apparatus for controlling engine speed during power t

1998-03-02

1999-10-26

Bonck, Rodney H.

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

477111, 74 11, 74 1566, 74 1563, 180 5331, 180179, B60K 4104

Patent

active

059718889

ABSTRACT:
A method and apparatus for controlling engine speed during power take-off (PTO) operation. A technique is disclosed which enables accelerator pedal over-ride of PTO operation, wherein PTO operation is resumed when the accelerator pedal induced engine speed value decreases to a preset PTO engine speed. Also, a high-speed governor is employed to limit accelerator pedal-based engine speed during PTO over-ride operation to thereby limit maximum engine speed. In accordance with the invention, the operator of a vehicle can thus accelerate the engine, via actuation of the accelerator pedal, to engine speeds in excess of the preset PTO engine speed without disengaging PTO operation.

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