Title:
INJECTOR
Document Type and Number:
Japanese Patent JP2016217245
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To facilitate the adjustment of an orientation and a flow rate of each injection hole, in an injector.SOLUTION: In an injector 20, an inner surface 31 of a nozzle tip end portion 28 is formed on a tapered surface whose center side is inclined to a tip end side about a nozzle axis X, and a valve seat 29 is formed in a ring shape about the nozzle axis on the inner surface 31. A plurality of jet holes 35 has an opening end on the inner surface side on a center side than an outer peripheral edge of the valve seat. A hole wall inside portion 75 configuring the nozzle axis side of a hole wall, and a hole wall outside portion 76 configuring a side opposite to the nozzle axis of the hole wall are provided. First jet holes 35A, 35B, and 35C which are one or more of the plurality of jet holes are formed so as to have acute angles between the hole wall inside portion and inner surfaces and obtuse angles between the hole wall outside portion and the inner surfaces, and have first recessed portions 80A, 80B, and 80C extended from the inner surfaces to the hole wall outside portion.SELECTED DRAWING: Figure 3
Inventors:
ISHIKAWA NAOHIRO
ONO KAZUJI
ONO KAZUJI
Application Number:
JP2015102801A
Publication Date:
December 22, 2016
Filing Date:
May 20, 2015
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
F02M61/18; F02B23/10; F02M61/14
Domestic Patent References:
| JP2010164060A | 2010-07-29 | |||
| JP2011127486A | 2011-06-30 | |||
| JP2006525461A | 2006-11-09 | |||
| JP2001012334A | 2001-01-16 | |||
| JP2010180784A | 2010-08-19 | |||
| JP2012246897A | 2012-12-13 |
Attorney, Agent or Firm:
Patent business corporation Oshima patent office
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