Fuel injection control apparatus for in-cylinder injection...

Details Fuel injection control apparatus for in-cylinder injection... Fuel injection control apparatus for in-cylinder injection...

2005-04-19

2005-04-19

Huynh, Hai (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

C123S491000, C701S105000, C701S113000

Reexamination Certificate

active

06880521

ABSTRACT:
In response to start of cranking in an internal combustion engine by a starter, a fuel injection control starts. When an initial combustion of the fuel injected into the internal combustion engine is detected based on a rotational speed of a crankshaft, it is determined that the internal combustion engine in a warm-up period, and a control for reducing a fuel injection period is executed. When it is detected that the rotational speed of the crankshaft exceeds a predetermined rotational speed, it is determined that the internal combustion engine is in a start-up promotion period, and a control for extending the fuel injection period is executed.

REFERENCES:
patent: 5979400 (1999-11-01), Nishide
patent: 6209515 (2001-04-01), Gotoh et al.
patent: 8-319865 (1996-12-01), None

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