Method and apparatus for controlling stationary gaseous-fueled internal combustion engines
First Claim
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1. A method of controlling a stationary gaseous-fueled internal combustion engine, comprising:
- measuring an air to fuel ratio of the engine;
calculating a difference between the measured air to fuel ratio and a desired air to fuel ratio for the engine; and
automatically controlling an air to fuel mixture supplied to the engine in accordance with the calculated difference to enable the engine to run at substantially the desired air to fuel ratio.
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Abstract
A method and system is disclosed which relates to controlling a stationary gaseous-fueled internal combustion engine. The method may include measuring an air to fuel ratio of the engine, calculating a difference between the measured air to fuel ratio and a desired air to fuel ratio for the engine, and automatically controlling an air to fuel mixture supplied to the engine in accordance with the calculated difference to enable the engine to run at substantially the desired air to fuel ratio.
23 Citations
32 Claims
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1. A method of controlling a stationary gaseous-fueled internal combustion engine, comprising:
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measuring an air to fuel ratio of the engine;
calculating a difference between the measured air to fuel ratio and a desired air to fuel ratio for the engine; and
automatically controlling an air to fuel mixture supplied to the engine in accordance with the calculated difference to enable the engine to run at substantially the desired air to fuel ratio. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of controlling a stationary gaseous-fueled internal combustion engine, comprising:
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measuring an air to fuel ratio of the engine;
calculating a lambda value using the measured air to fuel ratio;
calculating a difference between the calculated lambda value and a lambda set point for the engine; and
automatically controlling an air to fuel mixture supplied to the engine in accordance with the calculated difference to enable the engine to run at substantially the desired air to fuel ratio. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A system for controlling a stationary gaseous-fueled internal combustion engine, comprising:
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means for measuring an air to fuel ratio of the engine;
means for calculating a difference between the measured air to fuel ratio and a desired air to fuel for the engine; and
means for automatically controlling an air to fuel mixture supplied to the engine in accordance with the calculated difference to enable the engine to run at substantially the desired air to fuel ratio.
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32. A system for controlling a stationary gaseous-fueled internal combustion engine, comprising:
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a microprocessor for measuring an air to fuel ratio of the engine;
means for calculating a lambda value using the measured air to fuel ratio;
means for calculating a difference between the calculated lambda value and a lambda set point for the engine; and
automatically controlling an air to fuel mixture supplied to the engine in accordance with the calculated difference to enable the engine to run at substantially the desired air to fuel ratio.
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Specification