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US Patent 11441437 Impeller shroud and method of manufacturing thereof
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Patent
Current Assignee
Pratt & Whitney Canada
Date Filed
February 7, 2020
Date of Patent
September 13, 2022
Patent Applicant
Pratt & Whitney Canada
Patent Application Number
16784279
Patent Citations
US Patent 10287992 Gas turbine engine hybrid variable bleed valve
US Patent 10309409 Impeller shroud with pneumatic piston for clearance control in a centrifugal compressor
US Patent 10393149 Method and apparatus for active clearance control
US Patent 10539153 Clipped heat shield assembly
Patent Jurisdiction
United States Patent and Trademark Office
Patent Number
11441437
Patent Primary Examiner
Christopher Verdier
CPC Code
F04D 17/105
F04D 29/4206
F02C 3/08
F02C 6/08
F01D 9/026
F01D 9/06
F01D 9/065
F01D 11/02
F01D 11/08
F05D 2260/606
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