Title:
【発明の名称】燃料噴射弁
Document Type and Number:
Japanese Patent JP2002507695
Kind Code:
A
Abstract:
A fuel injector that has a valve needle that can be moved axially within a swirl insert and which has, among other things, a valve closing section that works in conjunction with a valve seat. The swirl insert, which has an inner longitudinal opening for the valve needle, has a swirl area having on its downstream end an arrangement for imparting a swirl. The arrangement for imparting swirl are designed in the form of swirl grooves which extend from the conical outer edge to the longitudinal opening and which open out to the lower end face of the swirl insert. The fuel injector is particularly suitable for use in fuel injection systems of internal combustion engines having fuel-air mixture compression and spark ignition
Inventors:
Frank Dalman
Norbert Kaim
Dieter Etzel
Norbert Kaim
Dieter Etzel
Application Number:
JP2000538149A
Publication Date:
March 12, 2002
Filing Date:
December 29, 1998
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M51/06; F02M61/18; F02M61/12; F02M61/16; F02B75/12; (IPC1-7): F02M61/18; F02M61/12
Attorney, Agent or Firm:
Toshio Yano (4 outside)