FUEL INJECTION VALVE AND ENGINE SYSTEM

WIPO Patent Application WO/2018/221076

A1

The purpose of the present invention is to provide a fuel injection valve capable of forming a highly homogeneous fuel spray in a combustion chamber and reducing wall adhesion. To this end, the fuel injection valve of the present invention, which injects fuel directly into a combustion chamber, is configured to include a first injection hole group in which the central axis of the fuel injection hole is directed closer to a spark plug tip portion than to the piston upper surface center side, and a second injection hole group in which the central axis of the fuel injection hole is directed closer to the piston upper surface center side than to the spark plug tip portion. The flow rate of the spray injected from the fuel injection hole of the first injection hole group is larger and the penetration of the spray is smaller than those of the fuel injection hole of the second injection hole group.

HOSAKA TOMOYUKI (JP)
ISHII EIJI (JP)
YOSHIMURA KAZUKI (JP)
SUGII TAISUKE (JP)
KUSAKABE RYO (JP)
SUKEGAWA YOSHIHIRO (JP)
SARUWATARI MASAYUKI (JP)

PCT/JP2018/016524

December 06, 2018

April 24, 2018

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HITACHI AUTOMOTIVE SYSTEMS LTD (JP)

F02M61/18; F02B23/08; F02B23/10; F02B31/00; F02B31/04; F02B31/06; F02D41/04; F02D43/00; F02D45/00; F02F1/42; F02M61/14

WO2017047248A1	2017-03-23
WO2000077359A1	2000-12-21

JP2017044174A	2017-03-02
JP2007315276A	2007-12-06
JP2015025392A	2015-02-05
JP2007092635A	2007-04-12
JPH10339151A	1998-12-22

TODA Yuji (JP)

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