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Title:
DUAL-SYSTEM FUEL INJECTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2006/100849
Kind Code:
A1
Abstract:
A dual-system fuel injection engine has inlet ports (11) each extending at cylinder head (6) obliquely upward from a combustion chamber (16); an inlet manifold (21) connected at its downstream side end section to the inlet ports (11); an in-cylinder injector (15) for each of the cylinders, injecting fuel directly into the combustion chamber (16); and a inlet pipe injector (56) for each cylinder, injecting fuel into the inlet port (11). The in-cylinder injector (15) is attached to the cylinder head (6) and is positioned on the lower side of the inlet port (11) when viewed from the direction of the axis of a crankshaft (27). The inlet pipe injector (56) and a low-pressure delivery pipe (57) for supplying fuel to all the inlet pipe injectors (56) are supported at the inlet manifold (21) and are positioned, when viewed from the direction of the axis of the crankshaft (27), on the upper side of the inlet port (11) so as to be close to the inlet port (11).

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Inventors:
SAEKI TETSUYA (JP)
ABE SHIZUO (JP)
TSUCHIYA TOMIHISA (JP)
TOMODA TERUTOSHI (JP)
KUROSAWA SHINICHI (JP)
KATOU MASAKI (JP)
YAMAGUCHI AKIRA (JP)
SUZUKI YUICHI (JP)
Application Number:
PCT/JP2006/302628
Publication Date:
September 28, 2006
Filing Date:
February 15, 2006
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
YAMAHA MOTOR CO LTD (JP)
SAEKI TETSUYA (JP)
ABE SHIZUO (JP)
TSUCHIYA TOMIHISA (JP)
TOMODA TERUTOSHI (JP)
KUROSAWA SHINICHI (JP)
KATOU MASAKI (JP)
YAMAGUCHI AKIRA (JP)
SUZUKI YUICHI (JP)
International Classes:
F02M69/00; F02M55/00; F02M55/02; F02M61/14; F02M63/00; F02M69/04
Foreign References:
JPH11350966A1999-12-21
JP2004027911A2004-01-29
JPH10115270A1998-05-06
JPS6398479U1988-06-25
JPH11159424A1999-06-15
JPH03275978A1991-12-06
JPH0315622A1991-01-24
JPS4981719A1974-08-07
JPH1182250A1999-03-26
JPH08121285A1996-05-14
JPH11315733A1999-11-16
JP2002048035A2002-02-15
Other References:
See also references of EP 1860319A4
Attorney, Agent or Firm:
Yamakawa, Masaki c/o Yamakawa International (Patent Office 8th Floor, Shuwa-Tameike Building, 4-2, Nagatacho 2-chom, Chiyoda-ku Tokyo 14, JP)
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