Engine fuel injection control device

Details Engine fuel injection control device Engine fuel injection control device

2006-12-05

2006-12-05

Huynh, Hai (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

C123S305000, C123S456000, C123S435000

Reexamination Certificate

active

07143740

ABSTRACT:
A fuel injection control device is configured to suppress the effect of pressure pulsation occurring inside the accumulator section of an engine due to a first fuel injection and thereby accurately control the fuel injection quantity in an engine configured to execute a plurality of fuel injections per cycle. When the fuel injection quantity for a second injection executed after a first injection is set, the fuel injection interval is detected and the fuel injection quantity is revised based on the fuel injection interval. The amount of time from the end of the first injection (e.g., a pilot injection) to the start of the second injection (e.g., a main injection) is used as the fuel injection interval.

REFERENCES:
patent: 6349702 (2002-02-01), Nishiyama
patent: 6718946 (2004-04-01), Hokazono et al.
patent: 6752126 (2004-06-01), Pfaeffle et al.
patent: 1568875 (2005-08-01), None
patent: 2001-82223 (2001-03-01), None
patent: 2001-227388 (2001-08-01), None

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