Motor vehicles – Power – With means to increase idle speed of internal combustion...
Reexamination Certificate
2008-04-01
2008-04-01
Ellis, Christopher P. (Department: 3618)
Motor vehicles
Power
With means to increase idle speed of internal combustion...
C180S065310, C180S065510, C701S101000, C701S102000
Reexamination Certificate
active
07350611
ABSTRACT:
A method is provided for controlling an electric drive work machine including an engine and an electric motor that provides power to enable the work machine to travel across a surface terrain at certain ground speeds. In one embodiment, the method may include detecting a reverse directional shift of the work machine causing the work machine to travel in a reverse direction. Further, the method may include performing an engine speed reduction process that reduces a current speed of the engine based on the detected reverse directional shift without reducing a ground speed of the work machine while traveling in the reverse direction.
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Betz Michael Donald
Garnett Stephen Carl
Liang Chih Chieh
Caterpillar Inc
Ellis Christopher P.
Finnegan Henderson Farabow Garrett & Dunner
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