Control apparatus for internal combustion engine

Details Control apparatus for internal combustion engine Control apparatus for internal combustion engine

2007-05-15

2007-05-15

Cronin, Stephen (Department: 3747)

Internal-combustion engines

Spark ignition timing control

Electronic control

C123S295000, C123S431000, C123S478000

Reexamination Certificate

active

11268597

ABSTRACT:
An engine ECU executes a program including the steps of calculating an in-cylinder injector's injection ratio; if the ratio is 1, calculating an amount of cold state spark advance by employing a function f(1) having the engine's temperature as a parameter; if the ratio is 0, calculating an amount of cold state spark advance by employing a function f(2) having the engine's temperature as a parameter; and if the ratio is larger than 0 and smaller than 1, calculating an amount of cold state spark advance by employing a function f(3) having the engine's temperature and the ratio as parameters.

REFERENCES:
patent: 6659071 (2003-12-01), LaPointe et al.
patent: 2004/0194737 (2004-10-01), Miyashita
patent: 1 464 814 (2004-10-01), None
patent: 2001-020837 (2001-01-01), None

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