Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 15, 2011
Patent Application Number
12102459
Date Filed
April 14, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A stability control algorithm is provided for a centrifugal compressor. The stability control algorithm is used to control a variable geometry diffuser and a hot gas bypass valve (when provided) in response to the detection of compressor instabilities. The stability control algorithm can adjust the position of a diffuser ring in the variable geometry diffuser in response to the detection of a surge condition or a stall condition. The diffuser ring in the variable geometry diffuser can be adjusted to determine an optimal position of the diffuser ring. The stability control algorithm can also be used to open a hot gas bypass valve in response to the detection of continued surge conditions.
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