Title:
FUEL INJECTION VALVE
Document Type and Number:
WIPO Patent Application WO/2020/110892
Kind Code:
A1
Abstract:
This fuel injection valve is provided with: a metallic injection hole body (11) in which an injection hole (11a) for injecting fuel is formed; and a metallic holder (12) having a cylinder shape that includes an insertion port (120a) into which the injection body is inserted, and being fused to a portion of the injection hole body inside the insertion port. The injection hole body includes: a body-side melted section (11x) formed by fusion; a heat-affected section (11z) which is located on the insertion port side with respect to the body-side melted section and in which the tissue is changed by heat for the fusion; and a sealed section (111, 112, 113) which is located opposite the body-side melted section across the heat-affected section and which extends in the form of a ring around a cylinder center line of the holder and comes into close contact with the holder.
Inventors:
MOCHIZUKI KOUICHI (JP)
OHATA KOICHI (JP)
OKAMOTO ATSUYA (JP)
KATO NORITSUGU (JP)
KATO YUKI (JP)
OHATA KOICHI (JP)
OKAMOTO ATSUYA (JP)
KATO NORITSUGU (JP)
KATO YUKI (JP)
Application Number:
PCT/JP2019/045592
Publication Date:
June 04, 2020
Filing Date:
November 21, 2019
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02M51/06
Domestic Patent References:
| WO2010026826A1 | 2010-03-11 |
Foreign References:
| JP2015200192A | 2015-11-12 | |||
| JPH08189439A | 1996-07-23 | |||
| JP2008297966A | 2008-12-11 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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