Title:
FUEL INJECTION CONTROLLER FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2006312914
Kind Code:
A
Abstract:
To secure a wide combustion zone by enlarging a dynamic range without changing a fuel injection pressure in a fuel injection controller for an internal combustion engine.
A valve body 22 having a sack part 24 and an injection hole 25 is fixed to a tip of a holder 21, a needle valve 29 is movably supported in the valve body 22, the needle valve 29 is enabled to close a fourth fuel passage 47 by a compression coil spring 34, the needle valve 29 is enabled to open the fourth fuel passage 47 by being axially moved by electromagnetic attraction of a coil 37, a heater 55 is provided in the needle valve 29, and the heater 55 is energized in response to an operating state of the engine to heat the needle valve 29.
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Inventors:
YARINO MOTONARI
Application Number:
JP2005136406A
Publication Date:
November 16, 2006
Filing Date:
May 09, 2005
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F02M53/04; F01P3/16; F02D41/04; F02D45/00; F02M51/06
Attorney, Agent or Firm:
Hiroaki Sakai
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