Variable flow gas valve and method for controlling same

A gas control valve and method of controlling a gas control valve to provide infinite adjustability is provided. The gas control valve defines a fluid flow path. A flow adjustment arrangement within the fluid flow path has a plurality of discrete open configurations. Each discrete open configuration...

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Bibliographische Detailangaben
1. Verfasser: Millius, Michael J
Format: Patent
Sprache:eng
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Zusammenfassung:A gas control valve and method of controlling a gas control valve to provide infinite adjustability is provided. The gas control valve defines a fluid flow path. A flow adjustment arrangement within the fluid flow path has a plurality of discrete open configurations. Each discrete open configuration establishes a different flow rate through the fluid flow path. A controller operatively cyclically alternates the flow adjustment arrangement between different ones of the discrete configurations to provide an average flow rate through the fluid flow path that is between the flow rates permitted by the different ones of the discrete open configurations. The controller establishes residence times at the various ones of the discrete open configurations such that the resultant flow rate is the desired flow rate.