Control apparatus and method for internal combustion engine...

Details Control apparatus and method for internal combustion engine... Control apparatus and method for internal combustion engine...

2007-01-23

2007-01-23

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780AA, C123S406330

Reexamination Certificate

active

10934368

ABSTRACT:
A control apparatus for an internal combustion engine includes a variable compression ratio mechanism capable of varying a compression ratio of the engine, a compression ratio setting section that sets a compression ratio to be attained by the variable compression ratio mechanism in accordance with an operating condition of the engine, a knock detecting section that detects a knock occurrence state, an ignition timing learning correcting section that determines a learning correction value of an ignition timing in accordance with the knock occurrence sate, and a compression ratio correcting section that corrects the compression ratio set by the compression ratio setting section in accordance with the learning correction value of the ignition timing. A control method is also provided.

REFERENCES:
patent: 4700677 (1987-10-01), Bonitz et al.
patent: 4860711 (1989-08-01), Morikawa
patent: 6553949 (2003-04-01), Kolmanovsky et al.
patent: 59-188056 (1984-10-01), None
patent: 63-109282 (1988-05-01), None
patent: 4-047166 (1992-02-01), None
patent: 5-39770 (1993-02-01), None
patent: 2001-263114 (2001-09-01), None
patent: 2001-280228 (2001-10-01), None

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