Engine ignition timing control system and method

Details Engine ignition timing control system and method Engine ignition timing control system and method

1993-02-25

1995-06-06

Teska, Kevin J.

Boots, shoes, and leggings

36443103, 36443101, 123425, 123 9012, 123417, G06F 1548

Patent

active

054228115

ABSTRACT:
An ignition timing control system and method for multicylinder internal combustion engine, utilizing a variable valve operating system such as variable valve timing system and a partial cylinder operating system. An engine control unit calculates a standard ignition timing for each cylinder according to the valve operating condition, rotational speed of the engine and intake air pressure. The control unit also calculates a target ignition timing by compensating the standard ignition timing according to an operating condition of the vehicle and controls an ignition driver to operate an ignitor associated with each cylinder at the target ignition timing.

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