Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1997-09-15
2000-11-21
Solis, Erick
Internal-combustion engines
Charge forming device
Fuel injection system
F02M 5100
Patent
active
061488011
ABSTRACT:
A method for determining a fuel quantity to be fed to an internal combustion engine, includes initially determining a desired fuel quantity on the basis of a desired operational performance of the internal combustion engine. Moreover, a minimum air/fuel ratio is determined at which soot-free operation of the internal combustion engine is possible, and a maximum fuel quantity is determined on the basis of the minimum air/fuel ratio. The desired fuel quantity which is limited to the maximum fuel quantity is then determined as the fuel quantity to be fed to the internal combustion engine. It is advantageous in this case to determine the minimum air/fuel ratio in non-steady operation on the basis of a charging pressure or a difference between the charging pressure and the ambient pressure.
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Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Solis Erick
Stemer Werner H.
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