Device for refining the adjustment of the ignition advance of a

Details Device for refining the adjustment of the ignition advance of a Device for refining the adjustment of the ignition advance of a

1979-08-28

1981-12-08

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Fuel injection system

123425, F02P 514

Patent

active

043042031

ABSTRACT:
A device is disclosed for refining the adjustment of the angle of ignition advance in an internal combustion engine.
The angles of rotation of the crankshaft relative to the top dead center of an engine cylinder, relative to the start of ignition and the completion of combustion are detected electronically and signals are processed which are expressive of the magnitudes of said angles: these magnitudes are compared in a comparison circuit which is calibrated according to an optimum preselected ratio between the two angles. The electronic comparison circuit is capable of commanding the controlled-ignition system of the engine so as to modify the angle of advance of ignition continually, keeping it constantly to the desired optimum value.

REFERENCES:
patent: 3526124 (1970-09-01), Wostl
patent: 3875912 (1975-04-01), Bullo
patent: 4063538 (1977-12-01), Powell et al.
patent: 4130097 (1978-12-01), Ford
patent: 4211194 (1980-07-01), Hattori et al.
patent: 4216750 (1980-08-01), Kobayashi

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