Fuel injection system

Details Fuel injection system Fuel injection system

2006-03-21

2006-03-21

Huynh, Hai (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

C123S435000, C701S105000

Reexamination Certificate

active

07013865

ABSTRACT:
A fuel injection system includes an injector, a controller, and a cylinder internal pressure sensor. The injector injects fuel to an engine. The controller controls injection start timing of the injector, an injection amount, and a supply pressure of the injected fuel. The cylinder internal pressure sensor detects one of a cylinder internal pressure and a heat release rate of the internal combustion engine. The controller has a standard estimator and a corrector. The standard state estimator obtains a standard state of one of the cylinder internal pressure and the heat release rate upon fuel injection from the injector. The corrector corrects at least one of the injection start timing, the injection amount, and the supply pressure in a direction to eliminate a difference that exists between the standard state obtained by the standard state estimator and one of the cylinder internal pressure and the heat release rate detected by the cylinder internal pressure sensor.

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patent: WO 2005/031139 (2005-04-01), None

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