Ignition timing control system for internal combustion engine

Details Ignition timing control system for internal combustion engine Ignition timing control system for internal combustion engine

1984-10-05

1986-04-15

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123418, F02M 307

Patent

active

045820325

ABSTRACT:
When vehicle accessories such as air conditioning apparatus, power steering apparatus, etc. are turned on during engine idling, the ignition timing is corrected in such a way that an idle-operation advance angle table is switched to the usual-operation advance angle table or the idle-operation advance angle is reduced by a predetermined value or according to the magnitude of accessory loads under consideration of engine speed. Therefore, it is possible to prevent the setting of an excessive spark advance angle caused when the accessories are turned on during engine idling, thus preventing engine stop and engine power drop and improving fuel consumption rate during engine idling.

REFERENCES:
patent: 4328775 (1982-05-01), Ironside
patent: 4344397 (1982-08-01), Geiger et al.
patent: 4389989 (1983-06-01), Hartig
patent: 4399789 (1983-08-01), Yano

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