Title:
燃料噴射弁
Document Type and Number:
Japanese Patent JP2004510913
Kind Code:
A
Abstract:
A fuel injector (1), in particular for direct injection of fuel into a combustion chamber of an internal combustion engine, having an actuator (10) for actuating a valve needle (3), the valve needle (3) having on one injection end a valve-closure member (4) which forms a sealing seat together with a valve-seat surface (6) formed on a valve-seat member (5). Fuel channels (35) are provided in a valve needle guide (31) which is designed in one piece with or is connected to the valve-seat member (5) and they open into a swirl chamber (43). The number of fuel channels (35) is such that a turbulent flow produced in the swirl chamber (43) is homogeneous in a circumferential direction.
Inventors:
Gunter Dantes
Detlef Novak
Jörg Heise
Detlef Novak
Jörg Heise
Application Number:
JP2002532791A
Publication Date:
April 08, 2004
Filing Date:
October 06, 2001
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M51/06; F02M51/08; F02M61/10; F02M61/12; F02M61/16; F02M61/18; F02B75/12; (IPC1-7): F02M61/18; F02M51/06; F02M51/08; F02M61/10; F02M61/12; F02M61/16
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel