Propulsion system for skidder

Details Propulsion system for skidder Propulsion system for skidder

2011-06-21

2011-06-21

Ho, Ha D. (Department: 3655)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

C475S110000

Reexamination Certificate

active

07963883

ABSTRACT:
A skidder having a diesel engine coupled to a multiple gear ratio transmission driving a pair of wheel sets for a skidder. The diesel engine is controlled by an operator manipulated foot pedal or hand lever to control the power output and ultimately the maximum skidder ground speed. A controller is provided to pre-select the maximum gear into which the transmission may be placed to ultimately limit the maximum ground speed of the skidder so that the operator sets the forward speed in a binary fashion by depressing the foot pedal or hand operated device to a maximum output condition.

REFERENCES:
patent: 4740898 (1988-04-01), McKee et al.
patent: 5315972 (1994-05-01), Judy et al.
patent: 5526261 (1996-06-01), Kallis et al.
patent: 6240356 (2001-05-01), Lapke
patent: 6394931 (2002-05-01), Genise
patent: 6581710 (2003-06-01), Sprinkle et al.

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