Air-fuel ratio and ignition timing regulation by detecting engin

Details Air-fuel ratio and ignition timing regulation by detecting engin Air-fuel ratio and ignition timing regulation by detecting engin

1983-04-11

1984-10-23

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123416, 123417, 123436, 36443105, F02D 500, F02B 502

Patent

active

044781857

ABSTRACT:
A method for regulating the air-fuel ratio and an ignition fiming in an internal combustion engine, using a device for sensing the engine running state, a device for detecting the variation in engine combustion, a device for correcting the air-fuel ratio supplied in the engine according to the detected combustion variation, and an device for controlling the ignition timing. The ignition timing control device calculates the interpolated basic advance angle value .theta..sub.b, the corrected advance angle value .DELTA..theta., and, hence, the resultant advance angle value .theta. for use in the ignition timing control, so as to attain the air-fuel ratio giving the best rate of fuel consumption.

REFERENCES:
patent: 4347570 (1982-08-01), Akiyama et al.
patent: 4357662 (1982-11-01), Schira et al.
patent: 4375209 (1983-03-01), Sinniger et al.
patent: 4375668 (1983-03-01), Leung et al.
patent: 4379333 (1983-04-01), Ninomiya et al.
patent: 4413599 (1983-11-01), Shigematsu et al.

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