US Patent 6964155 Turbofan engine comprising an spicyclic transmission having bearing journals
Patent 6964155 was granted and assigned to United Technologies on November, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A planet gear journal for an epicyclic gear system is asymmetrically formed to compensate for carrier twist. The asymmetry may be between a pair of opposed outwardly open annular channels inboard of a bearing surface of the journal. A particular application is the planetary gear system of a geared turbofan engine.
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Current Assignee
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Patent Number
Patent Inventor Names
Loc Q. Duong0
Michael E. McCune0
Date of Patent
November 15, 2005
0Patent Application Number
103340200
Date Filed
December 30, 2002
0Patent Primary Examiner
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US Patent 6964155 Turbofan engine comprising an spicyclic transmission having bearing journals
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