Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nick A. Nolcheff0
Mahmoud L. Mansour0
Mark D. Matwey0
Michael T. Barton0
Don F. Durschmidt0
Donald L. Palmer0
John A. Gunaraj0
John A. Slovisky0
Date of Patent
March 13, 2007
0Patent Application Number
109769340
Date Filed
October 27, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A compressor includes an enhanced vaned shroud and is configured such that the flow area ratio is equivalent to that of a conventional, non-vaned shroud. The vaned shroud includes a plurality of airfoils that vary in thickness to obtain desired vibrational mode shapes and natural frequencies. A stiffening ring of limited axial extent is coupled to, and between, the airfoils, and the shroud is manufactured with a section of constant radius.
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