Title:
FUEL INJECTION VALVE AND METHOD FOR MANUFACTURING FUEL INJECTION VALVE
Document Type and Number:
WIPO Patent Application WO/2018/159327
Kind Code:
A1
Abstract:
This fuel injection valve is a fuel injection valve that injects a fuel from an injection port (23a) and is provided with: a coil (70) that generates a magnetic flux by energization; fixed cores (50, 51) serving as paths for the magnetic flux; a movable core (41) attracted to the fixed cores serving as paths for the magnetic flux; and a magnetic flux restricting part (60) that has a weaker magnetism than the fixed core and is disposed to be offset from the fixed cores in the axial direction. When border parts between the fixed cores and the magnetic flux restricting part are referred to as restriction border parts (Q1, Q2) and when virtual extension lines extending from the restriction border parts to the movable core side are referred to as border extension lines (N1, N2), the restriction border parts are inclined with respect to the axial direction so that the border extension lines pass through the injection port side from any one among the fixed cores and the magnetic flux restricting part.
Inventors:
SAIZEN MAKOTO (JP)
MATSUMOTO SHUICHI (JP)
MATSUMOTO SHUICHI (JP)
Application Number:
PCT/JP2018/005449
Publication Date:
September 07, 2018
Filing Date:
February 16, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02M51/06
Foreign References:
| JPH10196486A | 1998-07-28 | |||
| JP2002357173A | 2002-12-13 | |||
| JP2015183581A | 2015-10-22 | |||
| JP2010216345A | 2010-09-30 | |||
| JP2017002807A | 2017-01-05 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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