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US Patent 8721287 Compressor impeller blade with variable elliptic connection

Patent 8721287 was granted and assigned to Turbomeca on May, 2014 by the United States Patent and Trademark Office.

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Current Assignee
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Turbomeca
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
87212870
Patent Inventor Names
Geoffroy Louis-Henri Marie Billotey0
Gilles Cazenave-Larroche0
Jean-Philippe Ousty0
Pierre Biscay0
Date of Patent
May 13, 2014
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Patent Application Number
129909530
Date Filed
May 14, 2009
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Patent Citations Received
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US Patent 11835057 Impeller of centrifugal compressor, centrifugal compressor, and turbocharger
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US Patent 12129865 Compressor wheel
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US Patent 11933314 Compressor wheel
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Patent Primary Examiner
Christopher Verdier
Christopher Verdier
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Patent abstract

A compressor impeller including at least one blade connected to an impeller hub via a junction of curved shape, the blade extending along a defined chord between a leading edge and a trailing edge of the blade. The junction presents the shape of an ellipse that varies along the chord.

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