Inventor
BYRNES FRANCIS E
US30 patents
⚠️ This page may combine multiple inventors who share the name “BYRNES FRANCIS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
20 patentsUS5092738AMar 3, 1992
Flexbeam helicopter rotor with improved snubber-vibration damper between the torque tube and the flexible spar member
UNITED TECHNOLOGIES CORP74 citations96
US5499903AMar 19, 1996
Snubber bearing mounting assembly for bearingless rotors
UNITED TECHNOLOGIES CORP26 citations92
US5460487AOct 24, 1995
Pitch adjustment assembly for bearingless main rotors
UNITED TECHNOLOGIES CORP46 citations92
US5431538AJul 11, 1995
Hybrid composite flexbeam for a helicopter bearingless main rotor assembly
UNITED TECHNOLOGIES CORP45 citations92
US5372479ADec 13, 1994
Flexbeam for a helicopter bearingless main rotor assembly
UNITED TECHNOLOGIES CORP36 citations92
US5286167AFeb 15, 1994
Spar-to-hub joint for a flexbeam helicopter rotor
UNITED TECHNOLOGIES CORP28 citations92
US5188513AFeb 23, 1993
Snubber-bearing with combined elastomer laminates
UNITED TECHNOLOGIES CORP29 citations92
US5110260AMay 5, 1992
Articulated helicopter rotor within an improved blade-to-hub connection
UNITED TECHNOLOGIES CORP31 citations92
US4930983AJun 5, 1990
Hybrid helicopter rotor hub retention plate
UNITED TECHNOLOGIES CORP26 citations92
US4895354AJan 23, 1990
Equalizing stress distribution in each laminate of an asymmetrically loaded elastomeric bearing
UNITED TECHNOLOGIES CORP28 citations92
US4746272AMay 24, 1988
Lobed composite flexbeam
UNITED TECHNOLOGIES CORP41 citations92
US4714450ADec 22, 1987
Elastomeric high torque, constant velocity joint
UNITED TECHNOLOGIES CORP27 citations92
US4804315AFeb 14, 1989
Composite helicopter swashplate
UNITED TECHNOLOGIES CORP24 citations88
US5449152ASep 12, 1995
Tubular elastomer damper
UNITED TECHNOLOGIES CORP41 citations87
US5242267ASep 7, 1993
Bearingless main rotor assembly torque tube
UNITED TECHNOLOGIES CORP28 citations86
US4797064AJan 10, 1989
Composite helicopter rotor hub
UNITED TECHNOLOGIES CORP22 citations82
US5035576AJul 30, 1991
Propeller blade pin attachment
UNITED TECHNOLOGIES CORP17 citations74
US4676669AJun 30, 1987
Tailoring tilt in an elastomeric high torque, constant velocity joint
UNITED TECHNOLOGIES CORP8 citations74
US5083725AJan 28, 1992
Elastomeric swashplate configuration for helicopters
UNITED TECHNOLOGIES CORP18 citations72
US5523530AJun 4, 1996
Elastomeric acoustic insulator
UNITED TECHNOLOGIES CORP14 citations66
SIKORSKY AIRCRAFT CORP
7 patentsUS6848886B2Feb 1, 2005
Snubber
SIKORSKY AIRCRAFT CORP93 citations98
US5690474ANov 25, 1997
Optimized composite flexbeam for helicopter tail rotors
SIKORSKY AIRCRAFT CORP64 citations94
US5601408AFeb 11, 1997
Axisymmetric elastomeric bearing assembly for helicopter rotors
SIKORSKY AIRCRAFT CORP60 citations93
US6318527B1Nov 20, 2001
Inertial vibration isolator spring for helicopter
SIKORSKY AIRCRAFT CORP23 citations92
US6578793B2Jun 17, 2003
Method and apparatus for fiber strap termination
SIKORSKY AIRCRAFT CORP13 citations80
US6074126AJun 13, 2000
Structural interlock for inhibiting relative rotation between mating elements
SIKORSKY AIRCRAFT CORP17 citations79
US6398497B1Jun 4, 2002
Blade lock system for variable diameter rotor systems
SIKORSKY AIRCRAFT CORP9 citations71