Title:
燃料噴射弁
Document Type and Number:
Japanese Patent JP4116548
Kind Code:
B2
Abstract:
A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, having a piezoelectric or magnetostrictive actuator, has a coupler with a master piston and a slave piston which are connected to a pressure chamber. The pressure chamber is filled with an hydraulic fluid, and a coupler spring presses apart the master piston and the slave piston. The pressure chamber is connected to an actuator chamber via a check valve whose blocking direction faces the pressure chamber. The actuator chamber is sealed from a fuel chamber via a movable membrane.
Inventors:
Andreas Aichendorf
Application Number:
JP2003523820A
Publication Date:
July 09, 2008
Filing Date:
May 25, 2002
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M47/04; F02M51/06; F02M51/00; F02M61/08
Domestic Patent References:
| JP2004514083A | ||||
| JP11093801A | ||||
| JP63019066U |
Attorney, Agent or Firm:
Toshio Yano
Einzel Felix-Reinhard
Reinhard Einsel
Einzel Felix-Reinhard
Reinhard Einsel
Previous Patent: JPH04116547
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