Method for automatic calibration of an angle mark transmitter at

Details Method for automatic calibration of an angle mark transmitter at Method for automatic calibration of an angle mark transmitter at

1996-09-05

1997-12-02

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

731173, 123 9011, F01L 904

Patent

active

056924887

ABSTRACT:
A method is provided for automatic calibration of an angle mark transmitter at the crankshaft of an internal combustion engine having fuel injection, Lambda sensor control and electromagnetically actuated gas cylinder valves. The control time "intake closes" is initially adjusted for all gas cylinder valves to a preliminary value. For defined marginal operating conditions, in particular speed and temperature, the control time "intake closes" for at least one gas cylinder valve is changed to determine, via the Lambda sensor control at Lambda=1, a value at which the longest fuel injection time is detected or, for a constant injection time, the leanest operation is detected. The determined control time is compared to the desired control time for an exactly adjusted angle mark transmitter on the internal combustion engine and in case of deviation is compensated for in the control for the internal combustion engine.

REFERENCES:
patent: 4957074 (1990-09-01), Weissler, III et al.
patent: 5289805 (1994-03-01), Quinn, Jr. et al.
patent: 5321979 (1994-06-01), McKendry et al.
patent: 5417187 (1995-05-01), Meyer et al.
patent: 5522352 (1996-06-01), Adachi et al.

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