Control apparatus for internal combustion engine

Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...

Reexamination Certificate

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Details

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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patent: 2003/0127072 (2003-07-01), Gmelin et al.
patent: 2006/0174856 (2006-08-01), Watanabe
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patent: A 2000-265877 (2000-09-01), None
patent: A 2001-073854 (2001-03-01), None
patent: A 2001-336439 (2001-12-01), None

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