Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Having a single combustible mixture inlet combined with...
Reexamination Certificate
2007-10-16
2007-10-16
Argenbright, T. M. (Department: 3747)
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Having a single combustible mixture inlet combined with...
C123S446000, C123S458000
Reexamination Certificate
active
11378922
ABSTRACT:
A double system of fuel injection type internal combustion engine includes: a direct injection injector and a port fuel injection injector; a control unit for changing a fuel injection distribution ratio of fuels injected from these injectors; a delivery pipe for the direct injection injector; a high pressure fuel pump; a fuel pressure sensor and a fuel temperature sensor for detecting a fuel pressure and a fuel temperature in the delivery pipe; and a fuel regulating unit for regulating the fuel pressure and fuel temperature in the delivery pipe. The control unit can control the fuel regulating unit so as to lower the exceeding value thereof when the fuel injection distribution ratio of the port fuel injection injector is higher than that of the direct injection injector and at least one of the fuel pressure value and fuel temperature value exceeds an aimed value.
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Iwami Yutaka
Miyazaki Kazuma
Nishigaki Masato
Sakai Mitsuto
Shimojikkoku Yukio
Argenbright T. M.
Knobbe Martens Olson & Bear LLP
Toyota Jidosha & Kabushiki Kaisha
Yamaha Hatsudoki Kabushiki Kaisha
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