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Patent Searching and Data


Title:
MOUNTING STRUCTURE FOR FUEL RAIL
Document Type and Number:
WIPO Patent Application WO/2018/074888
Kind Code:
A1
Abstract:
The present invention relates to a mounting structure for a fuel rail, comprising: a mounting boss part having a through hole formed in the longitudinal direction thereof, into which a fixing member to be fastened to a boss part formed in a cylinder head on the engine side is inserted, and having a first welding surface formed on the outer surface thereof, which comes into close contact with and is welded to one side of a main pipe; an injector cup part spaced apart from the mounting boss part, having a second welding surface formed on the outer surface thereof, which comes into close contact with and is welded to the other side of the main pipe, and having a flow path hole formed on one side of the second welding surface, which communicates with the main pipe so as to deliver fuel to an injector; and a bridge part connecting the mounting boss part and the injector cup part and having a third welding surface which comes into close contact with and is welded to the bottom surface of the main pipe, whereby stress concentration is effectively distributed through an increase in the bonding area to the main pipe, and thus fatigue strength is improved.

Inventors:
OH SEUNG HYUK (KR)
KANG YOUNG IL (KR)
KOO KWANG WON (KR)
KWEON MYEONG HUN (KR)
OH YEON JEE (KR)
Application Number:
PCT/KR2017/011668
Publication Date:
April 26, 2018
Filing Date:
October 20, 2017
Export Citation:
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Assignee:
HYUNDAI KEFICO CORP (KR)
International Classes:
F02M55/02; F02M55/04; F02M61/14
Foreign References:
JP2013177854A2013-09-09
JP2010077959A2010-04-08
KR20150053925A2015-05-19
JP2001050134A2001-02-23
KR20110016140A2011-02-17
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
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