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Title:
FUEL INJECTION DEVICE
Document Type and Number:
Japanese Patent JP2011058462
Kind Code:
A
Abstract:

To prevent corrosion of metal in a fuel injection valve and maintain emission and fuel economy improvement effects by stopping an engine early in the engine using emulsion fuel.

The fuel injection device 100 includes: a first tank 1 storing light oil; a second tank 2 storing water; a mixer 3 forming emulsion fuel by mixing light oil in the first tank 1 and water in the second tank 2; the fuel injection valve 4 having an injection fuel passage 47 to which fuel to be injected into a cylinder is supplied and an operation fluid passage 48 to which light oil to be used for injection action is supplied formed therein; and a change over valve 5 changing over the fuel supplied to the injection fuel passage 47 between light oil and emulsion fuel. The change over valve 5 supplies only light oil to the injection fuel passage 47 when the engine 200 is stopped.


Inventors:
Ito, Yasushi
Application Number:
JP2009000210823
Publication Date:
March 24, 2011
Filing Date:
September 11, 2009
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F02D19/12; F02B47/04; F02D19/08; F02D41/22; F02M25/022; F02M43/04
Attorney, Agent or Firm:
片山 修平
八田 俊之
▲高▼林 芳孝



 
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