Title:
【発明の名称】内燃機関のための燃料噴射弁
Document Type and Number:
Japanese Patent JP2001509858
Kind Code:
A
Abstract:
A fuel injection valve for internal combustion engines, having a valve member that is axially displaceable in a valve body and that with a sealing face cooperates, to control an injection opening, with a valve seat face on the valve body. An end of the valve member remote from the combustion chamber is urged in the closing direction by a valve spring disposed in a spring chamber. The valve member has a pressure shoulder acting in the opening direction, which protrudes into a pressure chamber that is filled with high fuel pressure. Via a throttle gap, the spring chamber communicates with the pressure chamber and is sealed off from a fuel return system, so that during the opening stroke motion of the valve member the spring chamber acts as a hydraulic damper.
Inventors:
Wolfgang Lipper
Werner Wagner
Bernd Ditus
Manfred Mac
Werner Wagner
Bernd Ditus
Manfred Mac
Application Number:
JP52959899A
Publication Date:
July 24, 2001
Filing Date:
June 17, 1998
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M61/10; F02M45/08; F02M45/12; F02M61/20; F02M63/00; (IPC1-7): F02M61/10; F02M45/08; F02M61/10
Attorney, Agent or Firm:
Toshio Yano (3 outside)