Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Patent
1998-11-30
2000-02-29
Solis, Erick R.
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
123682, 123685, 201103, 201109, F02D 4100
Patent
active
060296429
ABSTRACT:
The invention is directed to a method for computing a fuel-metering signal for adjusting a pregiven lambda value for the composition of the air/fuel mixture of an internal combustion engine. In the method, a first signal is formed which represents the air quantity flowing into the engine and a second signal is formed on the basis of the first signal so that a first lambda desired value adjusts when using its second signal as a fuel-metering signal. Various additional second lambda desired values are formed as a function of operating parameters of the engine. A selection is made of those second lambda desired values having the highest priority and the fuel-metering signal is formed by weighting the second signal with the second lambda desired value of the highest priority.
REFERENCES:
patent: 5781875 (1998-07-01), Maki et al.
patent: 5908463 (1999-06-01), Akazaki et al.
Benninger Nikolaus
Hess Werner
Hirschmann Klaus
Joos Klaus
Mallebrein Georg
Ottesen Walter
Robert & Bosch GmbH
Solis Erick R.
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