Ignition system for internal combustion engines

Details Ignition system for internal combustion engines Ignition system for internal combustion engines

1984-02-06

1985-01-08

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Current or voltage sensing in coil primary

123623, F02P 100

Patent

active

044922132

ABSTRACT:
An improved ignition system for internal combustion engines including a constant current control circuit for effecting constant current control of an ignition coil primary current, further includes a compensating circuit for controlling a reference voltage, which is to be compared with a detection value of the ignition coil primary current, at a constant value irrespective of a decrease of a power supply voltage, thereby controlling the ignition coil primary current at a given value over a wide range of variations of the power supply voltage including a considerable decrease thereof.

REFERENCES:
patent: 3605713 (1971-09-01), Masters
patent: 3882840 (1975-05-01), Adamian
patent: 3938490 (1976-02-01), Snyder
patent: 4008698 (1977-02-01), Gartner
patent: 4147145 (1979-04-01), Domland
patent: 4153032 (1979-05-01), Chateau
patent: 4308848 (1982-01-01), Pfaff
patent: 4327310 (1982-04-01), Jorg

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