Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...
Reexamination Certificate
2006-10-31
2006-10-31
Kwon, John T. (Department: 3747)
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
C123S431000, C123S432000
Reexamination Certificate
active
07128053
ABSTRACT:
The engine ECU executes the program including the step of starting a timer that counts the time elapsed from a start request, the step of detecting a temperature of the engine, and the step of calculating a DI ratio r such that the fuel is injected from the in-cylinder injector as well, when the engine is in the very cold or cold state, when there is no abnormality in the fuel system, and when starting of the engine is not yet detected even after a lapse of a predetermined period of time from the start request, only if the fuel pressure in the high-pressure system is not lower than a fuel pressure threshold value.
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Nomura Mitsuhiro
Okubo Shigeo
Tokuda Takeshi
Kwon John T.
Toyota Jidosha & Kabushiki Kaisha
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