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Title:
燃料噴射弁
Document Type and Number:
Japanese Patent JP2011506849
Kind Code:
A
Abstract:
A fuel injection valve is characterized in that a multi-fan stream nozzle is shaped, downstream from a fixed valve seat that is provided on the inner wall of a valve sleeve, directly into the valve sleeve itself. The multi-fan stream nozzle is integrated directly in the region of a bulge formed at the downstream end of the valve sleeve. The multi-fan stream nozzle, serving as an atomization device, possesses a plurality of slit-shaped spray openings, so that from the sheets of liquid emerging from the spray openings, sheet packets are formed in which individual sheets of liquid extend divergently from one another. Introduction of the spray openings into the deep-drawn valve sleeve is effected using ultrashort-pulse laser technology. The fuel injection valve is suitable in particular for use in fuel injection systems of mixture-compressing spark-ignited internal combustion engines.

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Inventors:
Jörg Heise
Wilhelm Hopf
Jürgen Lander
Dieter Holtz
Application Number:
JP2010538716A
Publication Date:
March 03, 2011
Filing Date:
December 17, 2008
Export Citation:
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Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M61/16; B23K26/00; B23K26/38; F02M61/10; F02M61/18
Domestic Patent References:
JP2000205088A2000-07-25
JP2001065431A2001-03-16
JPH05157023A1993-06-22
JP2007120471A2007-05-17
JP2007313525A2007-12-06
JPH0966381A1997-03-11
JPH03133588A1991-06-06
JPH10274129A1998-10-13
JP2004518858A2004-06-24
JP2002130080A2002-05-09
JP2003502576A2003-01-21
JP2007292035A2007-11-08
JP2004028078A2004-01-29
JP2006258035A2006-09-28
JPH1182244A1999-03-26
JP2004225626A2004-08-12
Attorney, Agent or Firm:
Toshio Yano
Hiroshi Sugimoto
Takahashi
Hiroyasu Ninomiya
Einzel Felix-Reinhard



 
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