US Patent 7850173 Repairable labyrinth seal
Patent 7850173 was granted and assigned to Pratt & Whitney Canada on December, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A repairable labyrinth seal of a gas turbine engine comprises at least one fin having a base with a thickness and a tip portion extending therefrom. A shoulder distinguishes the base from the tip portion. The shoulder defines a machining site suitable for receiving a welded replacement piece for shaping a new tapered tip portion following removal of a worn tapered tip portion.
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Patent Inventor Names
Richard Ivakitch0
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US Patent 07850173 Repairable labyrinth seal US Patent 7850173 Repairable labyrinth seal
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Patent Number
078501730
Patent Number
78501730
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Official Website
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Current Assignee
Patent Jurisdiction
Patent Number
078501730
Date of Patent
December 14, 2010
0Patent Application Number
115132300
Date Filed
August 31, 2006
0Official Website
Patent Primary Examiner
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US Patent 07850173 Repairable labyrinth seal
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07850173
Date of patent
December 14, 2010
Patent application number
11513230
Date Filed
August 31, 2006
Patent primary examiner
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