Title:
FUEL INJECTION VALVE
Document Type and Number:
Japanese Patent JP2018178893
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel injection valve which enables pressure increase of a fuel injected from an injection hole and improvement of responsiveness during fuel injection.SOLUTION: A fuel injection valve 1 includes: a nozzle body 30 having an injection hole 32; an actuator part 60 having a solenoid coil 61 etc.; and a housing 10 provided between the nozzle body 30 and the actuator part 60. A control chamber 71 is provided at the injection hole side of the housing 10, and a control passage 94 extending from the control chamber 71 penetrates through the housing 10 in an axial direction. A control valve element 63 which opens or closes the control passage 94 is provided at the counter-injection hole side of the housing 10. The housing 10 has: an inner body 111 provided with the control passage 94; and an outer body 112 which houses the inner body 111. The inner body 111 is provided between an orifice plate 20 and a spacer plate 80.SELECTED DRAWING: Figure 1
Inventors:
EZAKI RYUICHI
MURAKAMI MASAFUMI
ADACHI HISAFUMI
MURAKAMI MASAFUMI
ADACHI HISAFUMI
Application Number:
JP2017081538A
Publication Date:
November 15, 2018
Filing Date:
April 17, 2017
Export Citation:
Assignee:
DENSO CORP
International Classes:
F02M47/00; F02M51/06
Domestic Patent References:
| JP2015014272A | 2015-01-22 | |||
| JP2011012669A | 2011-01-20 | |||
| JP2009275597A | 2009-11-26 | |||
| JP2003097378A | 2003-04-03 |
Foreign References:
| US20080296412A1 | 2008-12-04 | |||
| KR20070023812A | 2007-02-28 |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo