US Patent 8708863 Epicyclic gear train
Patent 8708863 was granted and assigned to United Technologies on April, 2014 by the United States Patent and Trademark Office.
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Patent abstract
An epicyclic gear train includes a carrier that supports star gears that mesh with a sun gear. A ring gear surrounds and meshes with the star gears. Each of the star gears is supported on a respective journal bearing. Each journal bearing includes an internal central cavity and at least one passage that extends radially from the internal cavity to a peripheral journal surface of the respective journal bearing. The epicyclic gear train has a gear reduction ratio of greater than or equal to about 2.3.
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Patent Citations Received
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US Patent 08708863 Epicyclic gear train US Patent 8708863 Epicyclic gear train
Infobox
Patent Number
0870886300
Patent Number
870886300
Edits on 6 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
087088630
Date of Patent
April 29, 2014
0Patent Application Number
133407350
Date Filed
December 30, 2011
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
087088630
Date of Patent
April 29, 2014
0Patent Application Number
133407350
Date Filed
December 30, 2011
0Official Website
Patent Primary Examiner
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US Patent 08708863 Epicyclic gear train
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08708863
Date of patent
April 29, 2014
Patent application number
13340735
Date Filed
December 30, 2011
Patent primary examiner
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