Method and apparatus for controlling spark timing of internal co

Details Method and apparatus for controlling spark timing of internal co Method and apparatus for controlling spark timing of internal co

1978-02-14

1979-06-12

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123117R, 123 32EB, 123 32ED, 123 32EJ, 123 32EG, 364431, F02P 504

Patent

active

041576993

ABSTRACT:
Method and apparatus for controlling the spark timing of an internal combustion engine is provided, wherein the output of a sensor for detecting the state of a means affecting the engine operation is detected prior to engine start, and the detected value is stored as an initial value. After engine start, the output of the sensor for detecting the state of the means affecting the engine operation is again detected, and this detected value is corrected by the stored initial value. On the basis of the corrected detected value, a command value of ignition point in time (command ignition timing) is calculated and used to control ignition timing.

REFERENCES:
patent: 3969614 (1976-07-01), Moyer et al.
patent: 3978833 (1976-09-01), Crall et al.
patent: 3991727 (1976-11-01), Kawai et al.
patent: 4009699 (1977-03-01), Hetzler et al.
patent: 4015565 (1977-04-01), Aono et al.
patent: 4060714 (1977-11-01), Lappington et al.
patent: 4098243 (1978-07-01), Yoshida et al.

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