High ratio, reduced size epicyclic gear transmission for rotary wing aircraft with improved safety and noise reduction
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United States of America Patent
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Nov 22, 2005
Grant Date -
Jun 16, 2005
app pub date -
Nov 10, 2003
filing date -
Nov 10, 2003
priority date (Note) -
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Abstract
A high ratio, double helical epicyclic gear transmission that is primarily intended for use in rotary wing aircraft employs double helical planet gears to obtain a reduction in size of the transmission, to improve the safety of the transmission, and to reduce the noise created by operation of the transmission.
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