Title:
内燃機関用燃料噴射装置
Document Type and Number:
Japanese Patent JP4305394
Kind Code:
B2
Abstract:
A first fuel discharge path and a first return pipe that collectively discharge the amount of flow of fuel flowing out of the piston control chamber of a pressure intensifier built in an injector and the amount of flow of fuel flowing out of the nozzle back pressure chamber of a fuel injection nozzle (including the amount of flow of leak fuel) to a fuel tank and a second fuel discharge path and a second return pipe that discharge only the amount of flow of return fuel flowing out of the solenoid valve chamber of a solenoid valve are mounted separately from and independently of each other in terms of pipe line. With this measure, pressure in the solenoid valve chamber can be controlled to a value lower than the limit of resistance to pressure of an O-ring.
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Inventors:
Akira Shibata
Application Number:
JP2005016547A
Publication Date:
July 29, 2009
Filing Date:
January 25, 2005
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F02M47/00; F02M51/00
Domestic Patent References:
| JP2002202021A | ||||
| JP2001065423A | ||||
| JP11200985A |
Attorney, Agent or Firm:
Kenji Ishiguro