Geartrain coupling for a turbofan engine
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United States of America Patent
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Apr 4, 2006
Grant Date -
Jun 17, 2004
app pub date -
Dec 13, 2002
filing date -
Dec 13, 2002
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Abstract
Molybdenum disulfide (MoS2) is used as a journal coating for a gearing system. A particular application is the planetary gear system of a geared turbofan engine. Particularly advantageous coatings are deposited via physical vapor deposition (PVD) techniques.
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