Throttle control and failure accommodation

Details Throttle control and failure accommodation Throttle control and failure accommodation

2005-08-23

2005-08-23

Lorence, Richard M. (Department: 3681)

Interrelated power delivery controls, including engine control

Brake control

Sensed condition responsive control of engine of brake

C477S203000, C477S906000, C123S479000

Reexamination Certificate

active

06932743

ABSTRACT:
One embodiment of the present invention is an apparatus including an internal combustion engine for powering a ground travelling vehicle, a throttle control arrangement including a device for sensing position of an operator-adjustable pedal to provide a throttle control signal, a first sensor to sense rotational speed of the engine, a second sensor to sense brake status of the vehicle, a way to determine failure of the throttle control signal, and a way to operate the engine in a limp-home mode in response to the failure, which includes fueling the engine during the limp-home mode of operation in accordance with idle position of the pedal, rotational speed of the engine, and the brake status.

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