Diagnostic function for an internal combustion engine

Details Diagnostic function for an internal combustion engine Diagnostic function for an internal combustion engine

2005-03-08

2005-03-08

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

C123S357000, C123S435000, C123S480000

Reexamination Certificate

active

06863051

ABSTRACT:
A diagnostic function for an internal-combustion engine whose power is set by way of a power-determining signal that is determined from a first signal from a determination device, and a second signal determined by a torque controller, based on engine torque. A selection device sets either the determination device or the torque controller to be dominant for the power determining signal. When the values of the engine torque are not plausible, an error mode is set. With the setting of the error mode, the dominance is retained when the determination device is dominant. When the torque controller is dominant, a change of the dominance takes place.

REFERENCES:
patent: 5727528 (1998-03-01), Hori et al.
patent: 6786195 (2004-09-01), Doelker
patent: 197 42 083 (1997-09-01), None
patent: 199 53 767 (1999-11-01), None
patent: 0 814 251 (1997-12-01), None

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