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US Patent 8701380 Turbine engine with nonstreamlined impellers

Patent 8701380 was granted and assigned to Snecma on April, 2014 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11988099 Unducted thrust producing system architecture
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Patent abstract

A turbine engine including two respectively upstream and downstream external impellers that are nonstreamlined, coaxial, and contrarotating is provided. The downstream impeller is retractable so as to reduce its diameter. The blades of the downstream impeller are mounted so as to pivot about a pivot, the axis of which forms a nonzero angle, notably perpendicular, with the axis of rotation of the impeller, the blades in the retracted position being tilted about the pivot.

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Patent Inventor Names
Alexandre Alfred Gaston Vuillemin0
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Patent Citations Received
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US Patent 11713687 Flapping hinge for a fan blade
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US Patent 08701380 Turbine engine with nonstreamlined impellers US Patent 8701380 Turbine engine with nonstreamlined impellers

Infobox
Patent Number
087013800
Patent Number
87013800
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=087013800
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Infobox
Is a
Patent
Patent
0
Current Assignee
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Snecma
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
087013800
Date of Patent
April 22, 2014
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Patent Application Number
131753210
Date Filed
July 1, 2011
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=087013800
Patent Primary Examiner
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Gerald L Sung
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=08701380
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 US Patent 08701380 Turbine engine with nonstreamlined impellers

Infobox
Is a
Patent
Patent
Current assignee
‌
Snecma
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
08701380
Date of patent
April 22, 2014
Patent application number
13175321
Date Filed
July 1, 2011
Patent primary examiner
‌
Gerald L Sung

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