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Title:
ELECTROMAGNETIC FUEL INJECTION VALVE FOR DIRECT INJECTION IGNITION TYPE INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2009257189
Kind Code:
A
Abstract:

To make a first and a second movable cores appropriately operate without mutual interference in an electromagnetic type fuel injection valve for a direct injection ignition type internal combustion engine.

This injection valve is provided with a single valve housing 10, first and second valve elements 191, 192 opening and closing first and second valve hole 181, 182 communicating with a first and a second fuel injection holes 321, 322, first and second movable cores 221, 222 coaxially connecting to the first and the second valve elements 191, 192, a single fixing core 15 attracting the first and the second movable cores 221, 222 and opening the first and the second valve elements 191, 192, and a coil 37 supplied with electricity to excite the fixed core 15. First and second core guide holes 211, 212 individually and slidably supporting an outer circumference surface whole circumference of the first and the second movable cores 221, 222 are provided at a valve housing 10.


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Inventors:
SATO TAKESHI
Application Number:
JP2008107006A
Publication Date:
November 05, 2009
Filing Date:
April 16, 2008
Export Citation:
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Assignee:
KEIHIN CORP
International Classes:
F02M51/06; F02M61/10
Attorney, Agent or Firm:
Ken Ochiai
Kazuaki Niki
Nude Shima Shinji