Ignition timing controller for an internal combustion engine

Details Ignition timing controller for an internal combustion engine Ignition timing controller for an internal combustion engine

1990-02-26

1991-04-30

Wolfe, Willis R.

Internal-combustion engines

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

123179BG, F02P 515

Patent

active

050108654

ABSTRACT:
An ignition timing controller for an internal combustion engine controls the supply of current to the primary winding of an ignition coil. When the engine has started, current is supplied to the primary winding beginning at a certain piston position. When the engine is starting, current is supplied to the primary winding beginning when a special delay time has elapsed from a prescribed first piston position. The special delay time is inversely proportional to the engine rotational speed. The period of time for which the ignition coil conducts at starting is thereby shortened, and thermal damage to the ignition coil and other portions of the ignition system is prevented.

REFERENCES:
patent: 3871342 (1975-03-01), Fujinami et al.
patent: 4359988 (1982-11-01), Matsubara
patent: 4378770 (1983-04-01), Ikeura
patent: 4379444 (1983-04-01), Weber
patent: 4380983 (1983-04-01), Kobashi et al.
patent: 4489691 (1984-12-01), Ono et al.
patent: 4592324 (1986-06-01), Nakano et al.
patent: 4610231 (1986-09-01), Nakata et al.

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