Method and apparatus for controlling energizing interval of igni

Details Method and apparatus for controlling energizing interval of igni Method and apparatus for controlling energizing interval of igni

1981-03-25

1984-04-03

Dolinar, Andrew M.

Internal-combustion engines

High tension ignition system

Having dwell control

123625, F02P 900

Patent

active

044401418

ABSTRACT:
Energizing interval of an ignition coil, which is basically determined on the basis of the rotational speed of an engine, is corrected by adding thereto an extension amount which is either a function of the rotational speed of the engine or a given upper limit value at the rotational speed of the engine when accelerating condition is detected. Thus, the ignition coil is supplied with a primary winding current for a desired interval even during acceleration so that sufficient ignition voltage will be produced to properly ignite air/fuel mixture in engine cylinders. The extended energizing interval is then reduced stepwise to provide normal energizing interval during engine operations other than acceleration.

REFERENCES:
patent: 4225925 (1980-09-01), Hattori et al.
patent: 4267813 (1981-05-01), Hohne et al.
patent: 4309973 (1982-01-01), Tamura

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