Ignition systems for internal combustion engines

Details Ignition systems for internal combustion engines Ignition systems for internal combustion engines

1977-10-06

1978-12-19

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123117D, 123148E, F02P 504, F02P 100

Patent

active

041300963

ABSTRACT:
A closed loop electronic ignition system for internal combustion engines, in which a comparison is made between a signal derived from a fixed predetermined crank-shaft angle, and a signal derived from the commencement of the second stage of combustion within a cylinder of the engine, and if non-coincidence is detected between the two signals, the ignition timing is either advanced or retarded so as to maintain coincidence between the signals, so that the second stage of combustion always occurs at the fixed predetermined crank angle, the spark then being extinguished by switching the ignition coil "on" at this predetermined crank-shaft angle, irrespective of engine requirements.

REFERENCES:
patent: 3875912 (1975-04-01), Ballo
patent: 3896776 (1975-07-01), Ford
patent: 3921610 (1975-11-01), Hartig
patent: 3923022 (1975-12-01), Scholl
patent: 3946709 (1976-03-01), Monpetit
patent: 3955723 (1976-05-01), Richards
patent: 3957023 (1976-05-01), Peterson
patent: 3981282 (1976-09-01), Ford
patent: 3989024 (1976-11-01), Lai et al.
patent: 3996911 (1976-12-01), Canup

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