Control system for internal combustion engines

Details Control system for internal combustion engines Control system for internal combustion engines

1995-02-15

1996-01-16

Dolinar, Andrew M.

Internal-combustion engines

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

123684, F02D 4304

Patent

active

054839351

ABSTRACT:
A control system according to one aspect calculates a ratio of an actual amount of fuel supplied to the combustion chamber to the desired amount of fuel to be supplied to the combustion chamber, by taking into account at least an amount of evaporative fuel supplied to the combustion chamber, and sets the rate of change of the air-fuel ratio correction coefficient based on this ratio of the actual amount to the desired amount. A control system according to another aspect of the invention calculates an injected fuel ratio of an amount of fuel injected to an amount of total fuel to be supplied to the combustion chamber, and controls the ignition timing based on the injected fuel ratio and depending on operating conditions of the engine.

REFERENCES:
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patent: 4537172 (1985-08-01), Kanehara et al.
patent: 4677956 (1987-07-01), Hamburg
patent: 4886026 (1989-12-01), Cook
patent: 4986070 (1991-01-01), Abe
patent: 5143040 (1992-09-01), Okawa et al.
patent: 5215061 (1993-06-01), Ogawa et al.
patent: 5363832 (1994-11-01), Suzumura et al.
Patent Abstracts of Japan, Unexamined Applications, M. Field, vol. 14, No. 570, Dec. 18, 1990, The Patent Office Japanese Government, p. 158, M 1060, 2-245 442 (Hitachi).

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