COUNTER-ROTATING ROTOR SYSTEM WITH FAIRING

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United States of America Patent

APP PUB NO 20150122941A1
SERIAL NO

14073301

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Abstract

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A coaxial, dual rotor system for an aircraft includes a first rotor assembly located at a rotor axis and a second rotor assembly located at the rotor axis. An aerodynamic fairing is positioned between the first rotor assembly and the second rotor assembly along the rotor axis. A planetary gear arrangement is operably connected to the fairing and operably connected to an airframe of the aircraft to maintain a selected rotational orientation of the fairing about the rotor axis relative to the airframe.

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Patent Owner(s)

Patent OwnerAddress
SIKORSKY AIRCRAFT CORPORATIONP O BOX 9729 STRATFORD CT 06615

International Classification(s)

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  • 2013 Application Filing Year
  • B64C Class
  • 1064 Applications Filed
  • 965 Patents Issued To-Date
  • 90.70 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harrigan, Matthew Horseheads, US 8 31

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  • 1 Citation Count
  • B64C Class
  • 14.38 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4620940167201 - 1011 - 2021 - 3031 - 4041 - 500102030405060708090100110120130140150160170180190200210220

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