| Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
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| 05/11/2013 | CA2789472A1 Vibration isolation system |
| 05/10/2013 | WO2013066477A2 System for aligning a propeller |
| 05/10/2013 | WO2013066475A2 System for protecting a rotatable shaft of a motor from excessive bending moments |
| 05/08/2013 | EP2589461A1 Rotor blade with bonded cover |
| 05/08/2013 | EP2588758A1 Blade having an integrated composite spar |
| 05/08/2013 | DE102011117542A1 Adjustable or rigid propeller of aircraft e.g. rigid wing airplane flying in transonic region, has propeller blades whose one end is connected with hub and other end is connected together by ring to which shortened blades are attached |
| 05/08/2013 | CN103085967A Composite carbon fiber screw propeller |
| 05/08/2013 | CN102089206B Device for attaching a blade with variable setting |
| 05/07/2013 | US8435008 Turbine blade including mistake proof feature |
| 05/01/2013 | EP2586701A2 A support ring for a propeller assembly |
| 05/01/2013 | EP2585370A2 Erosion resistant helicopter blade |
| 05/01/2013 | CN101772453B Shpadi propeller |
| 05/01/2013 | CN101479151B Adjusting apparatus and method for adjusting the pitch angle of propeller blades, and control apparatus of the adjusting apparatus |
| 05/01/2013 | CA2795238A1 Rotor system anti-rotation wear protector |
| 04/30/2013 | US8430637 Semi-rigid wind blade |
| 04/30/2013 | US8430636 Wind turbine rotor assembly |
| 04/28/2013 | CA2792226A1 Increased capacity spherical lined bearings |
| 04/25/2013 | WO2012146236A4 Propulsion means for aircraft or boats |
| 04/25/2013 | US20130099053 Mid-Wing Multi-Deck Airplane |
| 04/25/2013 | CA2792750A1 A support ring for a rotary assembly |
| 04/25/2013 | CA2759642A1 Airfoil devices, leading edge components, and methods of making |
| 04/24/2013 | EP2582576A1 Electric power supply for apparatuses supported by the rotor of an aircraft engine |
| 04/24/2013 | CN202896874U Light high-strength hollow propeller |
| 04/24/2013 | CN202896873U Rapid propeller assembling/disassembling structure |
| 04/24/2013 | CN101646600B Aircraft with rear annular tail |
| 04/23/2013 | US8425197 Mounting arrangement |
| 04/23/2013 | US8425192 Annulus filler |
| 04/23/2013 | US8425191 Propfan assembly |
| 04/18/2013 | US20130094963 Distributed propulsion system and method of control |
| 04/18/2013 | US20130094959 Rotor blade component cooling |
| 04/16/2013 | US8420238 Use of a tungsten bronze structured material and turbine component with a thermal barrier coating |
| 04/16/2013 | US8419375 Method of making a rotor yoke and rotor yoke thereof |
| 04/11/2013 | WO2013050704A1 Turbo engine with propeller(s) for an aircraft with a system for changing the pitch of the propeller |
| 04/11/2013 | US20130089422 Adaptive twist system for a rotor blade |
| 04/11/2013 | CA2850702A1 Turbo engine with propeller(s) for an aircraft with a system for changing the pitch of the propeller |
| 04/10/2013 | EP2578490A2 A propulsion unit for an aircraft |
| 04/10/2013 | CN102001441B Cast and formed blade guiding frame and casting forming method thereof |
| 04/10/2013 | CN101607594B Method of optimising a faired anti-torque rotor with minimum acoustic disturbance for a rotorcraft, in particular a helicopter, and faired anti-torque rotor thus obtained |
| 04/09/2013 | US8414260 Control system for controlling propeller aircraft engine during takeoff |
| 04/09/2013 | US8413923 Method of and device for actively damping vertical oscillations in a helicopter carrying a suspended external payload |
| 04/04/2013 | WO2013048339A1 An unmanned aerial vehicle |
| 04/04/2013 | WO2013045859A1 Blade for a fan of a turbomachine, notably of the unducted fan type, corresponding fan and corresponding turbomachine |
| 04/04/2013 | CA2850243A1 Blade for a fan of a turbomachine, notably of the unducted fan type, corresponding fan and corresponding turbomachine |
| 04/03/2013 | EP2574545A2 Wear Resistant Coating and Use Thereof |
| 04/03/2013 | CN202848025U Clock type combined propeller |
| 04/03/2013 | CN202848024U Propeller hub assembly used for small and medium-sized unmanned helicopters |
| 04/03/2013 | CN103010456A Novel variable-diameter variable-pitch propeller |
| 04/03/2013 | CN101954970B Ventilating propeller hub of propeller tip jet helicopter |
| 04/02/2013 | US8409396 Connection between composites with non-compatible properties and method for preparation |
| 04/02/2013 | CA2673975C Helicopter blade mandrel |
| 03/28/2013 | WO2013011225A3 Device for supplying fluid to a hydraulic jack for controlling the orientatin of the fan blades of a twin fan turboprop |
| 03/28/2013 | US20130078100 Low offset hingeless rotor with pitch change bearings |
| 03/28/2013 | US20130075488 Insect repelling and area cooling apparatus |
| 03/28/2013 | DE102012014820A1 Rotoren, Propeller oder dergleichen, mit einem Sandfischhaut-Oberflächenprofil, Pinguin-Gefiederabdruck-Oberflächenprofil. Rotors, propellers, or the like, with a sand fish skin-surface profile, Penguin feathers Imprint Surface profile. |
| 03/27/2013 | EP2572979A1 Rotor blade erosion protection system |
| 03/27/2013 | CN103003573A Turbine engine having two unducted propellers |
| 03/27/2013 | CN101264796B Profile deformation using the example of a rotor blade |
| 03/26/2013 | US8405237 Energy supply for a blade adjustment device pertaining to a wind energy installation |
| 03/21/2013 | DE102011053787A1 Propeller device for producing fluid flow, and for use in drive unit for driving vehicle or vehicle model, has propeller, which is arranged coaxial to rotary axis, and is coupled to rotor by using power-transferring coupling |
| 03/21/2013 | CA2876768A1 Rotor blade erosion protection system |
| 03/21/2013 | CA2788117A1 Rotor blade erosion protection system |
| 03/20/2013 | CN202807092U Screw propeller connecting device |
| 03/20/2013 | CN102975850A System for heat dissipation from an internal actuator in a rotor blade |
| 03/19/2013 | US8398375 Impeller |
| 03/19/2013 | US8398372 Method for reducing the vibration levels of a propeller of a turbine engine |
| 03/14/2013 | WO2013034972A1 Nautical propeller with automatic adjustment of blades pitch in relation to its rotation speed |
| 03/14/2013 | WO2013034946A1 Propeller with automatic adjustment of blades pitch in relation to its rotation speed |
| 03/14/2013 | US20130062463 Transverse mounted gas turbine engine |
| 03/13/2013 | CN102963522A Near space propeller |
| 03/12/2013 | US8393866 Drive device for driving first and second lift rotors of a rotorcraft having twin rotors in tandem |
| 03/06/2013 | EP2563654A1 Actuation of the blades of an unstreamlined air blower |
| 03/06/2013 | CN202765286U High-efficiency propeller |
| 03/06/2013 | CN102951290A Non-co-axial multi-rotor aircraft and attitude control method thereof |
| 02/28/2013 | WO2013026582A1 Hub of a wind turbine |
| 02/28/2013 | WO2012146236A3 Propulsion means for aircraft or boats |
| 02/28/2013 | DE102012107419A1 Anstellwinkeländerungsmechanismus für offenliegenen Rotoraufbau Anstellwinkeländerungsmechanismus for open liegenen rotor assembly |
| 02/27/2013 | EP2562082A2 An aircraft propulsion system and a method of controlling the same |
| 02/27/2013 | CN102947176A Electric power supply for apparatuses supported by the rotor of an aircraft engine |
| 02/27/2013 | CN101657607B A method of operating a contra-rotating propeller engine and the engine |
| 02/26/2013 | US8382441 Method of manufacturing a blade |
| 02/26/2013 | US8382437 Fan structure |
| 02/26/2013 | US8382430 Aeroengine |
| 02/26/2013 | US8382028 Rotary wing aircraft rotating machinery vibration control system |
| 02/20/2013 | CN102935890A Variable diameter screw propeller |
| 02/19/2013 | US8376712 Fan airfoil sheath |
| 02/19/2013 | US8376710 Airfoils with vibration damping system |
| 02/14/2013 | WO2013022368A1 Magnetic levitation propeller |
| 02/14/2013 | WO2013021141A1 Method for producing a protective reinforcement of the leading edge of a vane |
| 02/14/2013 | WO2013021127A1 Hydraulic control system for controlling the orientation of fan blades |
| 02/14/2013 | US20130039765 Aircraft propellers |
| 02/14/2013 | CA2844240A1 Method for producing a protective reinforcement of the leading edge of a vane |
| 02/13/2013 | EP2557038A2 Low pressure compressor bleed exit for an aircraft pressurization system |
| 02/13/2013 | EP2557033A2 Modular counter rotating propeller system |
| 02/13/2013 | EP2557032A2 Aircraft propellers |
| 02/13/2013 | EP2555974A1 Method and apparatus for in-flight blade folding |
| 02/13/2013 | EP2555973A1 Unshrouded fan for turbomachine |
| 02/13/2013 | CN102926818A High-stability and low-vibration vane, energy-gathered compound vane or efficient high-intensity engine |
| 02/13/2013 | CN102923299A PID (proportion integration differentiation) control system for constant-speed propeller torque conversion |
| 02/12/2013 | US8371817 Apparatus and method for a turbine bucket tip cap |
| 02/06/2013 | EP2553251A1 Adaptive fan system for a variable cycle turbofan engine |