Title:
FUEL INJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2002/004805
Kind Code:
A1
Abstract:
A fuel injection device for internal combustion engine capable of providing an appropriate fuel injection performance in the entire operating range of an engine, further reducing the amount of nitrogen oxides (NOx), and increasing a mechanical reliability, comprising a fuel injection pump having a plunger part and a fuel path having a main solenoid valve provided therein, a fuel feed part for feeding fuel to the fuel injection pump, a fuel injection pipe for feeding fuel from the fuel injection pump to the injection nozzle part, and a sub solenoid valve provided in an overflow pipe for returning the fuel leaked from the fuel injection pump to the fuel feed part, characterized in that an orifice is provided in the fuel path and the overflow pipe.
Inventors:
KANEKO TAKASHI (JP)
ISHIDA HIROYUKI (JP)
IWANAGA KENICHI (JP)
ARAI TAKESHI (JP)
YASUEDA SHINJI (JP)
YOSHIZUMI HIROSHI (JP)
NUMATA AKIRA (JP)
ISHIDA HIROYUKI (JP)
IWANAGA KENICHI (JP)
ARAI TAKESHI (JP)
YASUEDA SHINJI (JP)
YOSHIZUMI HIROSHI (JP)
NUMATA AKIRA (JP)
Application Number:
PCT/JP2001/005939
Publication Date:
January 17, 2002
Filing Date:
July 09, 2001
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
KANEKO TAKASHI (JP)
ISHIDA HIROYUKI (JP)
IWANAGA KENICHI (JP)
ARAI TAKESHI (JP)
YASUEDA SHINJI (JP)
YOSHIZUMI HIROSHI (JP)
NUMATA AKIRA (JP)
KANEKO TAKASHI (JP)
ISHIDA HIROYUKI (JP)
IWANAGA KENICHI (JP)
ARAI TAKESHI (JP)
YASUEDA SHINJI (JP)
YOSHIZUMI HIROSHI (JP)
NUMATA AKIRA (JP)
International Classes:
F02M45/00; F02M45/12; F02M57/02; F02M59/36; (IPC1-7): F02M57/02; F02M59/36; F02M45/00; F02D1/02
Foreign References:
JPH06341357A | 1994-12-13 | |||
JPH02500207A | 1990-01-25 | |||
JPH01502768A | 1989-09-21 | |||
JPH11501709A | 1999-02-09 | |||
JPH08133079A | 1996-05-28 | |||
EP0992675A2 | 2000-04-12 |
Other References:
See also references of EP 1302656A4
Attorney, Agent or Firm:
Takahashi, Masahisa (Ambassador Roppongi Buildings 16-1, Roppongi 3-chome Minato-ku Tokyo, JP)
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