Ignition advance angle controlling device

Details Ignition advance angle controlling device Ignition advance angle controlling device

1980-05-21

1982-07-20

Cox, Ronald B.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123435, 123415, F02P 504

Patent

active

043400213

ABSTRACT:
A knocking sensor output signal of an ignition advance angle controlling device is subdivided in synchronism with the engine rotation into a knocking portion and a background portion. Both signal portions are rectified and averaged and the averaged portions are compared to derive a difference signal. The ignition advance angle is controlled to advance or to retard in response to said difference signal so as to obtain an optimum control of the advance angle in response to the amount of knocking.

REFERENCES:
patent: 3592178 (1971-07-01), Schiff
patent: 3660689 (1972-05-01), Oishi
patent: 3756212 (1973-09-01), Schirmer
patent: 4002155 (1977-01-01), Harned
patent: 4012942 (1977-03-01), Harned
patent: 4061116 (1977-12-01), Saida
patent: 4063538 (1977-12-01), Powell
patent: 4102310 (1978-07-01), Caron
patent: 4106447 (1978-08-01), West
patent: 4153020 (1979-08-01), King
patent: 4236491 (1980-12-01), Hahori

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