Helicopter rotor blades lift efficiency

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Y02T50/34

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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y02Climate change prevention Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION Y02T50/00Aeronautics or air transport

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Y02T50/34Helicopter rotor blades lift efficiency

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Patents Grantslast 30 patents

Information Patent Grant
Gurney flap
- Patent number 10,829,197
- Issue date Nov 10, 2020
- CLAVERHAM LIMITED
- Paul Brewer
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Actuator lock
- Patent number 10,767,499
- Issue date Sep 8, 2020
- MICROTECNICA S.R.L.
- Marco Gianfranceschi
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Summing and fault tolerant rotary actuator assembly
- Patent number 10,753,444
- Issue date Aug 25, 2020
- Moog Inc.
- John Kopp
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Bearing arrangement and an aircraft
- Patent number 10,669,022
- Issue date Jun 2, 2020
- Sikorsky Aircraft Corporation
- David H. Hunter
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shape memory alloy active spars for blade twist
- Patent number 10,661,885
- Issue date May 26, 2020
- The Boeing Company
- Casey Lyn Madsen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Blade with reduced torsional rigidity, and rotor equipped with such...
- Patent number 10,661,890
- Issue date May 26, 2020
- Airbus Helicopters
- Damien Reveillon
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Pitch control device for a ducted tail rotor of a rotorcraft
- Patent number 10,654,559
- Issue date May 19, 2020
- Airbus Helicopters Deutschland GmbH
- Julius Vogl
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Active rotor damping system
- Patent number 10,577,095
- Issue date Mar 3, 2020
- Sikorsky Aircraft Corporation
- James Orbon
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Thrust-generating rotor assembly
- Patent number 10,377,478
- Issue date Aug 13, 2019
- FLIR Unmanned Aerial Systems AS
- Petter Muren
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor phase control
- Patent number 10,370,096
- Issue date Aug 6, 2019
- Sikorsky Aircraft Corporation
- Anthony Litwinowicz
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Vibration control of a swashplateless coaxial rotor
- Patent number 10,351,233
- Issue date Jul 16, 2019
- Sikorsky Aircraft Corporation
- Bryan D. Mayrides
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Actuator for use in a rotor blade
- Patent number 10,309,225
- Issue date Jun 4, 2019
- MICROTECNICA S.R.L.
- Andrew John Collins
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Methods and apparatus to control pitch and twist of blades
- Patent number 10,308,357
- Issue date Jun 4, 2019
- The Boeing Company
- Ian M. Gunter
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Electro-hydraulic on-blade actuation system
- Patent number 10,053,215
- Issue date Aug 21, 2018
- Bell Helicopter Textron Inc.
- Troy Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Shape memory alloy-actuated propeller blades and shape memory alloy...
- Patent number 10,029,781
- Issue date Jul 24, 2018
- The Boeing Company
- William J. Bigbee-Hansen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Rotor assembly apparatus
- Patent number 9,994,310
- Issue date Jun 12, 2018
- The Boeing Company
- Daniel M. Podgurski
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Adaptive composite structure using shape memory alloys
- Patent number 9,981,421
- Issue date May 29, 2018
- The Boeing Company
- Jeffery L. Marcoe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Actuation system for an active element in a rotor blade
- Patent number 9,938,006
- Issue date Apr 10, 2018
- Bell Helicopter Textron Inc.
- Troy C. Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Adaptively-twistable blade, and an aircraft including such a blade
- Patent number 9,802,699
- Issue date Oct 31, 2017
- Airbus Helicopters
- Laurent Zamponi
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Coaxial rotor low-speed mixing
- Patent number 9,802,694
- Issue date Oct 31, 2017
- Sikorsky Aircraft Corporation
- Matthew T. Luszcz
- G05 - CONTROLLING REGULATING
Information Patent Grant
Cyclic blade speed control
- Patent number 9,771,153
- Issue date Sep 26, 2017
- International Business Machines Corporation
- Frederic Bauchot
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Individual blade control utilizing pneumatic muscles
- Patent number 9,751,624
- Issue date Sep 5, 2017
- Bell Helicopter Textron Inc.
- Troy Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Controlling rotor blades of a swashplateless rotor
- Patent number 9,682,771
- Issue date Jun 20, 2017
- Sikorsky Aircraft Corporation
- John Knag
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Compliant structure design for varying surface contours
- Patent number 9,676,471
- Issue date Jun 13, 2017
- FlexSys, Inc.
- Joel A. Hetrick
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Mission-adaptive rotor blade with circulation control
- Patent number 9,637,229
- Issue date May 2, 2017
- Groen Aeronautics Corporation
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Actuator arrangement and control surface arrangement, especially fo...
- Patent number 9,631,711
- Issue date Apr 25, 2017
- EADS Deutschland GmbH
- Stefan Storm
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Actuation system for an active blade element of a rotor blade
- Patent number 9,523,278
- Issue date Dec 20, 2016
- Bell Helicopter Textron Inc.
- Christopher Foskey
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Electromechanical linear actuator for in blade rotor control
- Patent number 9,517,839
- Issue date Dec 13, 2016
- Claverham Ltd.
- Paul R. Brewer
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Mission adaptive rotor blade
- Patent number 9,505,492
- Issue date Nov 29, 2016
- Sikorsky Aircraft Corporation
- Mark W. Scott
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Apparatus, system, and method for pitching and twisting a blade of...
- Patent number 9,487,291
- Issue date Nov 8, 2016
- The Boeing Company
- Thomas A. Zientek
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
Mast Dampener and Collective Pitch for a Rotocraft
- Publication number 20200102073
- Publication date Apr 2, 2020
- Carter Aviation Technologies, LLC
- Jay W. Carter
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ROTOR ASSEMBLY APPARATUS
- Publication number 20180257766
- Publication date Sep 13, 2018
- The Boeing Company
- Daniel M. Podgurski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Adaptive Composite Structure Using Shape Memory Alloys
- Publication number 20180243972
- Publication date Aug 30, 2018
- The Boeing Company
- Jeffery L. Marcoe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
COMPLIANT STRUCTURE DESIGN FOR VARYING SURFACE CONTOURS
- Publication number 20170274976
- Publication date Sep 28, 2017
- FlexSys, Inc.
- Joel A. Hetrick
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
INTEGRATION OF ROTARY ELECTRICAL ACTUATOR FOR SWASHPLATELESS INDIVI...
- Publication number 20140314573
- Publication date Oct 23, 2014
- SIKORSKY AIRCRAFT CORPORATION
- Bryan D. Mayrides
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Harmonic Data Transfer In Rotary Wing Aircraft
- Publication number 20140314130
- Publication date Oct 23, 2014
- Harshad S. Sane
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
VIBRATION CONTROL OF A SWASHPLATELESS COAXIAL ROTOR
- Publication number 20140314563
- Publication date Oct 23, 2014
- SIKORSKY AIRCRAFT CORPORATION
- Bryan D. Mayrides
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Swashplateless Active Blade Pitch Control with a Mechanical Delta-3...
- Publication number 20140271203
- Publication date Sep 18, 2014
- BELL HELICOPTER TEXTRON INC.
- Christopher E. Foskey
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ACTUATOR CONFIGURATION FOR A ROTARY DRIVE
- Publication number 20140265649
- Publication date Sep 18, 2014
- Timothy A. Fofonoff
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
System and Method for Reducing Rotor Blade Noise
- Publication number 20140255184
- Publication date Sep 11, 2014
- BELL HELICOPTER TEXTRON INC.
- Drew Sutton
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
RADIAL FLUID DEVICE WITH VARIABLE PHASE AND AMPLITUDE
- Publication number 20140234102
- Publication date Aug 21, 2014
- BELL HELICOPTER TEXTRON INC.
- Carlos A. Fenny
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR BLADE WITH CONTROL FLAP
- Publication number 20140234104
- Publication date Aug 21, 2014
- AIRBUS HELICOPTERS DEUTSCHLAND GMBH
- Rupert PFALLER
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
RADIAL FLUID DEVICE WITH MULTI-HARMONIC OUTPUT
- Publication number 20140231579
- Publication date Aug 21, 2014
- BELL HELICOPTER TEXTRON INC.
- Carlos A. Fenny
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ACTUATOR ARRANGEMENT AND CONTROL SURFACE ARRANGEMENT, ESPECIALLY FO...
- Publication number 20140217235
- Publication date Aug 7, 2014
- EADS Deutschland GmbH
- Stefan Storm
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
HELICOPTER WITH ROTOR BLADE LOAD CONTROL METHOD AND DEVICE
- Publication number 20140169967
- Publication date Jun 19, 2014
- Bluebirds Technology LLC
- John Anthony Wilkins
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Apparatus, System, and Method for Pitching and Twisting a Blade of...
- Publication number 20140154074
- Publication date Jun 5, 2014
- The Boeing Company
- Thomas A. Zientek
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ELECTRIC CIRCUIT WITH POWER AMPLIFIER FOR PIEZOELETRIC ACTUATORS
- Publication number 20140132113
- Publication date May 15, 2014
- EADS DEUTSCHLAND GMBH
- Boris Grohmann
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
DRY LUBRICATED ROTARY ACTUATOR FOR IN BLADE ROTOR CONTROL
- Publication number 20140083216
- Publication date Mar 27, 2014
- Paul R. Brewer
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ELECTROMECHANICAL LINEAR ACTUATOR FOR IN BLADE ROTOR CONTROL
- Publication number 20140064962
- Publication date Mar 6, 2014
- CLAVERHAM LTD.
- Paul R. Brewer
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ACTUATION SYSTEM FOR AN ACTIVE ELEMENT IN A ROTOR BLADE
- Publication number 20140060249
- Publication date Mar 6, 2014
- BELL HELICOPTER TEXTRON INC.
- Troy C. Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ACTUATION SYSTEM FOR AN ACTIVE ELEMENT IN A ROTOR BLADE
- Publication number 20140064960
- Publication date Mar 6, 2014
- BELL HELICOPTER TEXTRON INC.
- Troy C. Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ACTUATION SYSTEM FOR AN ACTIVE ELEMENT IN A ROTOR BLADE
- Publication number 20140064965
- Publication date Mar 6, 2014
- BELL HELICOPTER TEXTRON INC.
- Troy C. Schank
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
INDEPENDENT BLADE CONTROL SYSTEM WITH HYDRAULIC PITCH LINK
- Publication number 20140034777
- Publication date Feb 6, 2014
- BELL HELICOPTER TEXTRON INC.
- Carlos A. Fenny
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
INDEPENDENT BLADE CONTROL SYSTEM WITH ROTARY BLADE ACTUATOR
- Publication number 20140034778
- Publication date Feb 6, 2014
- BELL HELICOPTER TEXTRON INC.
- Carlos A. Fenny
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
INDEPENDENT BLADE CONTROL SYSTEM WITH HYDRAULIC CYCLIC CONTROL
- Publication number 20140034779
- Publication date Feb 6, 2014
- BELL HELICOPTER TEXTRON INC.
- Carlos A. Fenny
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
DRY LUBRICATED LINEAR ACTUATOR FOR IN BLADE ROTOR CONTROL
- Publication number 20130336787
- Publication date Dec 19, 2013
- CLAVERHAM LTD.
- Paul R. Brewer
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
HIGH SPEED COMPOUND ROTARY WING AIRCRAFT
- Publication number 20130327879
- Publication date Dec 12, 2013
- SIKORSKY AIRCRAFT CORPORATION
- Mark W. Scott
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
SHAPE MEMORY ALLOY ACTIVE SPARS FOR BLADE TWIST
- Publication number 20130309089
- Publication date Nov 21, 2013
- Casey Lyn Madsen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
MULTI-ELEMENT ROTOR BLADE
- Publication number 20130294914
- Publication date Nov 7, 2013
- SIKORSKY AIRCRAFT CORPORATION
- Benjamin Reed Hein
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Actuator for Use in a Rotor Blade
- Publication number 20130272873
- Publication date Oct 17, 2013
- MICROTECNICA S.R.L.
- Andrew John Collins
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Helicopter rotor blades lift efficiency

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Gurney flap

Actuator lock

Summing and fault tolerant rotary actuator assembly

Bearing arrangement and an aircraft

Shape memory alloy active spars for blade twist

Blade with reduced torsional rigidity, and rotor equipped with such...

Pitch control device for a ducted tail rotor of a rotorcraft

Active rotor damping system

Thrust-generating rotor assembly

Rotor phase control

Vibration control of a swashplateless coaxial rotor

Actuator for use in a rotor blade

Methods and apparatus to control pitch and twist of blades

Electro-hydraulic on-blade actuation system

Shape memory alloy-actuated propeller blades and shape memory alloy...

Rotor assembly apparatus

Adaptive composite structure using shape memory alloys

Actuation system for an active element in a rotor blade

Adaptively-twistable blade, and an aircraft including such a blade

Coaxial rotor low-speed mixing

Cyclic blade speed control

Individual blade control utilizing pneumatic muscles

Controlling rotor blades of a swashplateless rotor

Compliant structure design for varying surface contours

Mission-adaptive rotor blade with circulation control

Actuator arrangement and control surface arrangement, especially fo...

Actuation system for an active blade element of a rotor blade

Electromechanical linear actuator for in blade rotor control

Mission adaptive rotor blade

Apparatus, system, and method for pitching and twisting a blade of...

Patents Applicationslast 30 patents

Mast Dampener and Collective Pitch for a Rotocraft

ROTOR ASSEMBLY APPARATUS

Adaptive Composite Structure Using Shape Memory Alloys

COMPLIANT STRUCTURE DESIGN FOR VARYING SURFACE CONTOURS

INTEGRATION OF ROTARY ELECTRICAL ACTUATOR FOR SWASHPLATELESS INDIVI...

Harmonic Data Transfer In Rotary Wing Aircraft

VIBRATION CONTROL OF A SWASHPLATELESS COAXIAL ROTOR

Swashplateless Active Blade Pitch Control with a Mechanical Delta-3...

ACTUATOR CONFIGURATION FOR A ROTARY DRIVE

System and Method for Reducing Rotor Blade Noise

RADIAL FLUID DEVICE WITH VARIABLE PHASE AND AMPLITUDE

ROTOR BLADE WITH CONTROL FLAP

RADIAL FLUID DEVICE WITH MULTI-HARMONIC OUTPUT

ACTUATOR ARRANGEMENT AND CONTROL SURFACE ARRANGEMENT, ESPECIALLY FO...

HELICOPTER WITH ROTOR BLADE LOAD CONTROL METHOD AND DEVICE

Apparatus, System, and Method for Pitching and Twisting a Blade of...

ELECTRIC CIRCUIT WITH POWER AMPLIFIER FOR PIEZOELETRIC ACTUATORS

DRY LUBRICATED ROTARY ACTUATOR FOR IN BLADE ROTOR CONTROL

ELECTROMECHANICAL LINEAR ACTUATOR FOR IN BLADE ROTOR CONTROL

ACTUATION SYSTEM FOR AN ACTIVE ELEMENT IN A ROTOR BLADE

ACTUATION SYSTEM FOR AN ACTIVE ELEMENT IN A ROTOR BLADE

ACTUATION SYSTEM FOR AN ACTIVE ELEMENT IN A ROTOR BLADE

INDEPENDENT BLADE CONTROL SYSTEM WITH HYDRAULIC PITCH LINK

INDEPENDENT BLADE CONTROL SYSTEM WITH ROTARY BLADE ACTUATOR

INDEPENDENT BLADE CONTROL SYSTEM WITH HYDRAULIC CYCLIC CONTROL

DRY LUBRICATED LINEAR ACTUATOR FOR IN BLADE ROTOR CONTROL

HIGH SPEED COMPOUND ROTARY WING AIRCRAFT

SHAPE MEMORY ALLOY ACTIVE SPARS FOR BLADE TWIST

MULTI-ELEMENT ROTOR BLADE

Actuator for Use in a Rotor Blade