FUEL INJECTION SYSTEM FOR COMPRESSION IGNITION TYPE INTERNAL COMBUSTION ENGINE

WIPO Patent Application WO/2008/136525

A1

A fuel injection system improves fuel ignitability of a compression ignition type internal combustion engine. The fuel injection system has a fuel injection valve for injecting fuel directly into a cylinder of the engine and also has swirl generation means for generating a swirl in the cylinder. The fuel injection valve performs a main fuel injection and multiple auxiliary fuel injections at earlier timings than the main fuel injection. The lower the atmospheric pressure is, the lower the coolant temperature is, or the lower the intake air temperature is, the shorter the intervals between the auxiliary fuel injections is set and the shorter the interval between the last auxiliary fuel injection and the main fuel injection is set.

KOYAMA TAKASHI (JP)
SATO YASUO (JP)
ITO HISAKI (JP)
HORIKOSHI OSAMU (JP)
OHKI HISASHI (JP)
FUJIWARA KIYOSHI (JP)
YAMADA TAKAFUMI (JP)
OGURA SEIJI (JP)

PCT/JP2008/058510

November 13, 2008

April 28, 2008

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TOYOTA MOTOR CO LTD (JP)
KOYAMA TAKASHI (JP)
SATO YASUO (JP)
ITO HISAKI (JP)
HORIKOSHI OSAMU (JP)
OHKI HISASHI (JP)
FUJIWARA KIYOSHI (JP)
YAMADA TAKAFUMI (JP)
OGURA SEIJI (JP)

F02D41/02; F02B1/12; F02B17/00; F02D41/40; F02D45/00

JP2005155601A	2005-06-16
JP2003148223A	2003-05-21
JP2006274969A	2006-10-12
JPH1182139A	1999-03-26
JP2006250047A	2006-09-21
JP2003269230A	2003-09-25

KAWAGUCHI, Yoshiyuki et al. (4-10 Higashi Nihonbashi 3-chom, Chuo-ku Tokyo 04, JP)

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