Method for calculating cylinder charge during starting

Internal-combustion engines – Charge forming device – Fuel injection system

Reexamination Certificate

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Details

C123S685000, C123S179170, C701S113000

Reexamination Certificate

active

07080630

ABSTRACT:
A system and method to control fuel delivery to an engine at startup includes a crank sensor that determines a rotational position of the engine. A control module calculates an air mass of a first cylinder based on the rotational position of the engine and delivers fuel to the first cylinder based on the air mass. The air mass is based on a volume, a pressure and a temperature of the first cylinder.

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patent: 5654501 (1997-08-01), Grizzle et al.
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patent: 2004/0163629 (2004-08-01), Strayer et al.
patent: 2004/0200458 (2004-10-01), Lewis et al.
patent: 2005/0228575 (2005-10-01), Murakami et al.

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