Method and apparatus for the cylinder-specific determination...

Details Method and apparatus for the cylinder-specific determination... Method and apparatus for the cylinder-specific determination...

2006-06-13

2008-03-04

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

C123S676000

Reexamination Certificate

active

07337771

ABSTRACT:
In a method and apparatus for the cylinder-specific determination and control of a fuel injection quantity for a multi-cylinder internal combustion engine, the exhaust gas pressures of the cylinders of the internal combustion engine is recorded on a time-resolved, i.e. crankshaft angle-resolved, basis, and an exhaust gas pressure is calculated therefrom individually for each cylinder and used to determine the fuel quantity injected into the corresponding cylinder. In a comparison with a desired value the cylinder-specific actual fuel injection quantity error is then determined and used to set a corrected quantity of fuel to be injected into the corresponding cylinder.

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patent: 2002/0096157 (2002-07-01), Damitz et al.
patent: 1 061 246 (2000-12-01), None

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