B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft

Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644)
12/2011
12/06/2011	US8070446 Wind turbine blade pitch control system
12/06/2011	US8070436 Cooling airflow modulation
12/01/2011	WO2011148187A1 Actuator assembly for use in a rotor blade
11/2011
11/30/2011	EP2390178A2 Rotor blade having passive bleed path
11/30/2011	CN101263277B 风轮机叶片 A wind turbine blade
11/29/2011	US8066486 Method and apparatus for vibration-based automatic condition monitoring of a wind turbine
11/29/2011	US8066483 Turbine airfoil with non-parallel pin fins
11/29/2011	US8066480 High volume low speed fan
11/24/2011	WO2011046620A3 Aircraft propeller balancing system
11/24/2011	US20110286845 Hydraulic actuator locking device
11/24/2011	US20110286841 Counter-rotating open-rotor (cror)
11/23/2011	EP2388439A2 Airfoil component having electrochemically insulating layer
11/23/2011	EP2388192A2 Counter-Rotating Open-Rotor (CROR)
11/23/2011	EP2388191A2 Counter-rotating open-rotor (CROR)
11/22/2011	US8062000 Fastening arrangement of a pipe on a circumferential surface
11/22/2011	US8061992 Rigid hydraulic control shaft and a control system for varying the pitch of a propeller
11/18/2011	CA2740452A1 Counter-rotating open-rotor (cror)
11/18/2011	CA2740447A1 Counter-rotating open-rotor (cror)
11/15/2011	US8057189 Wind turbine blade with modular leading edge
11/15/2011	US8057188 Compressor airfoil
11/15/2011	US8057187 Steam turbine rotating blade for a low pressure section of a steam turbine engine
11/15/2011	US8057184 Propeller blade bearing, especially for propeller blades of aircraft propellers that can be adjusted along their longitudinal axis
11/15/2011	US8057183 Light weight and highly cooled turbine blade
11/15/2011	US8057174 Method for controlling a wind turbine using a wind flow model
11/10/2011	US20110274550 Yoke and Bearing Fitting Assembly for Rotors
11/09/2011	EP2384968A2 Pitch Control Mechanism
11/09/2011	EP2384967A2 Back-Up Featherer
11/09/2011	EP2384966A2 Pitch Control Mechanism
11/09/2011	EP2384965A2 Back-Up Featherer
11/09/2011	EP2300317B1 Device for attaching a blade with variable pitch
11/08/2011	US8055390 Controller for a blade adjustment angle of at least one rotor blade of a wind power plant
11/08/2011	US8052395 Air cooled bucket for a turbine
11/08/2011	US8052394 Rotor blade of a wind energy unit
11/08/2011	US8052393 Steam turbine rotating blade for a low pressure section of a steam turbine engine
11/03/2011	WO2011135236A1 Actuation of the blades of an unstreamlined air blower
10/2011
10/26/2011	CN202016565U Structure for improving output efficiency and reducing noise of spiral propeller
10/26/2011	CN102227544A Fan for a turbine engine including a balancing system with blind holes for housing bodies, and related turbine engine
10/19/2011	CN102224069A An adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement
10/13/2011	WO2011124832A1 Unshrouded fan for turbomachine
10/13/2011	CA2794837A1 Unshrouded fan for turbomachine
10/11/2011	US8033794 Wind turbine
10/11/2011	US8033788 Method for determining fatigue load of a wind turbine and for fatigue load control, and wind turbines therefor
10/06/2011	US20110243735 System of contra-rotating propellers driven by a planetary gear train providing a balanced distribution of torque between the two propellers
10/06/2011	US20110243731 Elastomeric bearing system motion limiter
10/05/2011	EP2371708A2 Controlling blade pitch angle
10/05/2011	CN102209663A Arrangement for adjusting an aircraft propeller
09/2011
09/29/2011	US20110236209 Blade damper, and a rotor fitted with such a damper
09/28/2011	EP2368795A2 Propeller arrangement
09/28/2011	EP2368030A1 System including counter-rotating propellers driven by an epicyclic train ensuring a balanced couple distribution between the two propellers
09/28/2011	CN102198856A Shear web connection
09/22/2011	WO2011113821A1 Variable-pitch mechanism for the blades of a system of contrarotary fans and system of contrarotary fans comprising at least one such mechanism
09/21/2011	EP2366060A1 Fan for a turbine engine including a balancing system with blind holes for housing bodies, and related turbine engine
09/21/2011	CN102196961A High efficiency turbine
09/15/2011	US20110224846 Method for actively deforming an aerodynamic profile
09/14/2011	CN102182787A Dual spring rate damper
09/09/2011	WO2011107691A1 Counterweight-based device for controlling the orientation of fan blades of a turboprop engine
09/09/2011	CA2791640A1 Counterweight-based device for controlling the orientation of fan blades of a turboprop engine
09/08/2011	US20110217172 Airfoil attachment holding an airfoil root in a broach fitting
09/06/2011	US8012299 Assembly tool and a method of manufacturing a blade
08/2011
08/31/2011	CN102167156A Blade with adaptive twist and rotor with such a blade
08/25/2011	US20110206515 Hydraulic yaw drive system for a wind turbine and method of operating the same
08/25/2011	US20110206513 Drive Mechanisms For Variable Diameter Rotor Systems
08/25/2011	US20110206508 Method And Device For Improving Performances Of An Aircraft Comprising At Least One Propeller Engine Without Propeller Fairing
08/18/2011	WO2011098736A2 Turboprop provided with a blade-positioning device
08/18/2011	WO2011098712A1 Assembly having a device for controlling, by means of racks, the angular position of pivoting turbine engine vanes
08/18/2011	US20110197703 Aircraft propeller balancing system
08/18/2011	CA2789462A1 Turboprop provided with a blade-positioning device
08/16/2011	US7998303 Method for assembling jointed wind turbine blade
08/11/2011	US20110194937 Preloaded bearing for rotor blade
08/11/2011	US20110194934 Rotor Hub Vibration Attenuator
08/11/2011	DE102010007132A1 Rotating device, particularly propeller blade for fluid flow engine for driving aircraft, is rotating around rotation axle, where rotating device comprises fluid flow unit for override of radial air circulation
08/10/2011	CN201923318U 无铰式直升机旋翼桨毂支臂 Hingeless helicopter rotor hub arm
08/10/2011	CN102149600A Control system for an aircraft propeller drive
08/04/2011	US20110189909 Adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement
08/04/2011	US20110189017 Aircraft including an engine controlled by synchrophasing
08/03/2011	EP2350439A1 Method for optimising the shape of an aerofoil and corresponding aerofoil
08/03/2011	EP2349831A2 Arrangement for adjusting an aircraft propeller
08/02/2011	US7989973 Fluid-responsive oscillation power generation method and apparatus
07/2011
07/28/2011	DE112009000927T5 Eisbruchverringerung an Vorderkantenstrukturen Eisbruchverringerung of leading edge structures
07/28/2011	DE102010001223A1 Resistance arm protection system for motor drives of aircraft, has potential collision space in area of propeller, in which collision of parts of aircraft or pilot or passenger is feared with propeller
07/27/2011	EP2121264B1 Helicopter blade mandrel, method for making the mandrel and method for molding a helicopter rotor blade
07/27/2011	CN201907650U Woody propeller
07/26/2011	US7985048 Folding rotor for an autogyro device
07/21/2011	WO2011087479A2 Fluid turbine featuring articulated blades and phase-adjusted cam
07/21/2011	WO2011087411A1 An aerodynamic surface with improved properties
07/21/2011	US20110176924 Device adapted to be fitted with propeller blades
07/21/2011	CA2786836A1 An aerodynamic surface with improved properties
07/21/2011	CA2784254A1 Fluid turbine featuring articulated blades and phase-adjusted cam
07/20/2011	EP1392562B1 Aerofoil with gas discharge
07/19/2011	US7980827 Method and connecting piece for assembling an arm, preferably a windmill arm, in sections
07/19/2011	US7980510 Small unmanned aircraft
07/14/2011	WO2011084246A1 Optimization of downstream open fan propeller position
07/14/2011	WO2011083250A1 Aircraft propeller blade
07/14/2011	WO2011083137A1 Contra-rotating propeller system for an aircraft turbine engine
07/14/2011	US20110171027 Torque compensation for propeller pitch change mechanism
07/14/2011	CA2786130A1 Contra-rotating propeller system for an aircraft turbine engine
07/14/2011	CA2784740A1 Aircraft propeller blade
07/14/2011	CA2778708A1 Optimization of downstream open fan propeller position
07/13/2011	EP2343239A2 Torque compensation for propeller pitch change mechanism
07/13/2011	EP2343238A2 Pitch change apparatus

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