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Title:
FUEL INJECTION VALVE
Document Type and Number:
Japanese Patent JP2017044174
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a constitution of a fuel injection valve suppressed in attachment of a fuel to a wall surface of a combustion chamber of spray directing to an ignition plug 302, in the fuel injection valve directly injecting the fuel to the combustion chamber.SOLUTION: In a fuel injection valve including an injection hole formation portion on which a plurality of fuel injection holes for injecting a fuel to a combustion chamber are formed, when three fuel injection holes successively formed along an outer peripheral side of the injection hole formation portion among the plurality of fuel injection holes are respectively regarded as a first fuel injection hole, a second fuel injection hole and a third fuel injection hole, a hole diameter of the second fuel injection hole is larger than hole diameters of the first fuel injection hole and the third fuel injection hole.SELECTED DRAWING: Figure 4

Inventors:
ITAYA TAKAKI
YAMAOKA SHIRO
Application Number:
JP2015168450A
Publication Date:
March 02, 2017
Filing Date:
August 28, 2015
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
F02M61/18; F02B23/08; F02B23/10; F02M61/14
Domestic Patent References:
JP2005098121A2005-04-14
JPH0861187A1996-03-05
JP2008157075A2008-07-10
JPH08121173A1996-05-14
JPH1018880A1998-01-20
JP2016098702A2016-05-30
JP2015151908A2015-08-24
JP2009019539A2009-01-29
JP2007170377A2007-07-05
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Shigemi Iwasaki