Title:
FUEL INJECTION VALVE AND MACHINING METHOD OF GUIDE MEMBER
Document Type and Number:
Japanese Patent JP2009243322
Kind Code:
A
Abstract:
To provide an inexpensive fuel injection valve which enables the accurate and stable injection of fuel and excellent durability.
In a fuel injection valve which includes a valve element 11, a drive means for driving the valve element, a valve seat 15a for accommodating the valve element, a guide member 17 provided on the upstream side of the valve seat, a nozzle 9 provided on the downstream side of the valve seat, and an orifice 22 formed at the tip of the nozzle to inject fuel, a cylindrical guide 42 and introduction part 43 are formed in a guide hole of the guide member.
Inventors:
GUNJI KENICHI
HIGUMA MASATO
IRINO YUSUKE
HIGUMA MASATO
IRINO YUSUKE
Application Number:
JP2008089153A
Publication Date:
October 22, 2009
Filing Date:
March 31, 2008
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F02M61/18; F02M51/06
Domestic Patent References:
| JPH06200853A | 1994-07-19 | |||
| JP2003214295A | 2003-07-30 | |||
| JP2004518908A | 2004-06-24 | |||
| JP2003214296A | 2003-07-30 | |||
| JPH06159199A | 1994-06-07 |
Foreign References:
| WO2007013165A1 | 2007-02-01 |
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Yuji Toda
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