Method and apparatus for combustion chamber pressure estimation

Details Method and apparatus for combustion chamber pressure estimation Method and apparatus for combustion chamber pressure estimation

2009-03-31

2011-10-18

Gimie, Mahmoud (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S435000

Reexamination Certificate

active

08041499

ABSTRACT:
In order to compensate for pressure drop across a fuel injector, pressure in a combustion chamber of an internal combustion engine into which fuel is injected is estimated based on manifold pressure at a timing for intake valve closure and volumes of the combustion chamber at a timing for intake valve closure and at least one other timing.

REFERENCES:
patent: 2003/0188571 (2003-10-01), Wright
patent: 2008/0183372 (2008-07-01), Snyder
patent: 2009/0159046 (2009-06-01), Moriya
patent: 2009/0248282 (2009-10-01), Adachi
patent: 2007 32531 (2007-02-01), None
patent: WO 2007/013663 (2007-02-01), None

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