Title:
燃料噴射弁
Document Type and Number:
Japanese Patent JP2004514834
Kind Code:
A
Abstract:
A fuel injector (1) for fuel injection systems of internal combustion engines includes a valve needle (3) and a valve closing body (4) which is mechanically linked thereto and cooperates with a valve seat surface (6) situated in a valve seat body (5) to form a sealing seat, and having a plurality of discharge orifices (7), which are introduced in a spray-orifice disk (31), which is situated downstream from the sealing seat on the fuel injector (2). The spray-orifice disk (31) has a dome-shaped convexity (37) at least in the area of the discharge orifices (7), which is oriented against the direction of flow of the fuel and the discharge orifices (7) are arranged in a spiral on the dome-shaped convexity (37) of the spray-orifice disk (31).
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Inventors:
Detlef Novak
Application Number:
JP2002546066A
Publication Date:
May 20, 2004
Filing Date:
November 26, 2001
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02B53/00; F02M51/08; F02M61/18; (IPC1-7): F02M61/18; F02M51/08
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel