Patents
Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644)
03/2012
03/27/2012US8141364 Brazed joint between a metal part and a ceramic part
03/27/2012CA2650760C Rotorcraft blade equipped with a spar incorporating a hold-down fastener and process for producing the same
03/22/2012US20120070292 Movable actuator device for controlling the pitch of fan blades of a turboprop
03/22/2012US20120070291 Propeller and system of counter-rotating propellers comprising improved means for limiting pitch, and a turbine engine comprising them
03/22/2012US20120070289 Bellows type sealing device for partition penetration by a connecting rod of a turboprop fan blade orientation control system
03/22/2012US20120070288 Rotor blade with integrated passive surface flap
03/21/2012EP2431276A2 Propeller blades having icephobic coating
03/21/2012EP2430291A1 Unducted propeller including variable pitch blades for a turbine engine
03/21/2012CN102381469A Propellers for aircraft
03/20/2012US8137611 Processing method for solid core ceramic matrix composite airfoil
03/20/2012US8137067 Turbine with interrupted purge flow
03/15/2012US20120061526 Rotor Blade Spacing for Vibration Attenuation
03/15/2012US20120061509 Co-Rotating Stacked Rotor Disks for Improved Hover Performance
03/15/2012DE102011113205A1 Rotoranordnung Rotor assembly
03/15/2012CA2751861A1 Propeller blades having icephobic coating
03/14/2012EP2427372A2 Deicing device for propfan-type propeller blades
03/14/2012EP2427371A2 Propfan blade deicing system
03/14/2012EP2427370A2 Rotor-mounted electrical generator of a propfan engine
03/14/2012CN102378855A Rotating inlet cowl for a turbine engine, including an eccentric front end
03/14/2012CN102372086A 飞行器推进器 Propeller aircraft
03/14/2012CN102372085A Structural element for an aircraft and spacecraft and method for producing a structural element of this type
03/13/2012US8133027 Integrated actuator for a propeller system
03/13/2012US8133026 Fixed horizontal axis-mounted wind turbine blade with an independently rotating pressure cambered fin
03/13/2012CA2508799C Aeroplane propulsion system with four pusher engines
03/10/2012CA2752272A1 Rotor assembly
03/08/2012WO2012009037A3 Erosion resistant helicopter blade
03/07/2012EP2260197B1 Contra-rotating propeller system with device for feathering propeller blades
03/06/2012US8131402 System for detecting proximity between a wind turbine blade and a tower wall
03/06/2012US8128854 Connection between members
03/06/2012US8128372 Ventilator wheel
03/01/2012US20120051909 Fluid elastomeric damper assembly
02/2012
02/28/2012US8123487 Rotor for a turbo engine
02/28/2012US8123176 Velocity feedback control system for a rotor of a toy helicopter
02/22/2012CN102361792A Non-streamlined propeller having blades with variable setting for a turbine engine
02/22/2012CN102358418A Power apparatus for aircraft
02/15/2012EP2417024A1 Propeller for an aircraft turbine engine including a blade-retaining ring mounted around a hub
02/09/2012US20120034095 Propellers for aircraft
02/09/2012DE102011052421A1 Propeller für Flugzeuge Propeller aircraft
02/08/2012EP2415665A2 Rotor Blade
02/08/2012EP2414655A1 Rotating inlet cowl for a turbine engine, including an eccentric front end
02/07/2012US8109734 Article formed from a composite material
02/07/2012US8109728 Adjusting apparatus for adjusting the pitch angle of propeller blades, variable-pitch propeller, control function which can be implemented in a computer, and method for adjusting the pitch angle of propeller blades
02/07/2012US8109724 Recessed metering standoffs for airfoil baffle
02/07/2012CA2675044C Efficient blade orientation of an impeller or propeller
02/06/2012CA2747457A1 Propellers for aircraft
02/02/2012US20120027606 Rotor assembly disk spacer for a gas turbine engine
02/02/2012US20120025016 Aircraft propeller
02/01/2012EP2411270A1 Non-streamlined propeller having blades with variable setting for a turbine engine
02/01/2012CN102336266A Method and device for propeller electric pitch control of unmanned aerial vehicle
01/2012
01/31/2012US8105036 Device for the adjustment of the pitch of a rotor blade of a wind turbine
01/31/2012US8105034 Vertical-axis wind turbine and method for the production thereof
01/31/2012US8105029 Method and apparatus for prediction-based wind turbine control
01/31/2012US8105028 Systems and methods for mitigating the effects of wind turbines on radar
01/30/2012CA2747003A1 Aircraft propeller
01/26/2012WO2012010782A1 Turbine engine having two unducted propellers
01/26/2012WO2011126517A3 Cnt-tailored composite land-based structures
01/26/2012DE102010038408A1 Strukturelement für ein Luft- und Raumfahrzeug und Verfahren zum Herstellen eines derartigen Strukturelementes Structural element for an aircraft and spacecraft, and method of making such a structural element
01/26/2012CA2805757A1 Turbine engine having two unducted propellers
01/25/2012CN102333694A Device with counter-rotating propellers having a means for changing the pitch of the propellers
01/24/2012US8100661 Wind turbine rotor blade and wind turbine rotor
01/24/2012US8100657 Steam turbine rotating blade for a low pressure section of a steam turbine engine
01/24/2012US8100650 Cyclical wave energy converter
01/19/2012WO2012009037A2 Erosion resistant helicopter blade
01/18/2012CN202115703U Light airplane
01/17/2012US8096775 Steam turbine rotating blade for a low pressure section of a steam turbine engine
01/17/2012US8096764 System for rotating a wind turbine blade
01/12/2012WO2012004091A1 Axial displacement and rotational speed monitoring
01/11/2012EP2404826A1 Amphibious large aircraft without airstairs
01/11/2012CN102317608A Air vehicle propulsion system with counter rotating fan design and method for noise reduction
01/11/2012CN102310944A Disc type aircraft
01/10/2012US8092188 Variable geometry fan and method for manufacturing the blades thereof
01/10/2012US8092184 Locking plate fast fastening ceiling fan blades
01/10/2012US8092177 Turbine airfoil cooling system with diffusion film cooling hole having flow restriction rib
01/10/2012US8092176 Turbine airfoil cooling system with curved diffusion film cooling hole
01/05/2012WO2012001279A1 Blade having an integrated composite spar
01/05/2012CA2804098A1 Blade having an integrated composite spar
01/04/2012EP2402246A1 Propeller blade bearing
01/04/2012EP2401197A1 Device with counter-rotating propellers having a means for changing the pitch of the propellers
01/03/2012US8087894 Aperture and flap vertical axis wind machine
01/03/2012US8087893 Turbine blade with showerhead film cooling holes
01/03/2012US8087890 Turboprop having a propeller made up of variable-pitch blades
12/2011
12/28/2011EP2399018A1 Air vehicle propulsion system with counter rotating fan design and method for noise reduction
12/27/2011US8083484 Turbine rotor blade tips that discourage cross-flow
12/27/2011US8083482 Method and system for limiting blade pitch
12/27/2011US8083475 Turbine bucket angel wing compression seal
12/22/2011WO2011159281A1 Method and apparatus for in-flight blade folding
12/22/2011WO2011157924A1 Electric power supply for apparatuses supported by the rotor of an aircraft engine
12/22/2011US20110311361 System of compact contra-rotating propellers
12/22/2011CA2802389A1 Method and apparatus for in-flight blade folding
12/20/2011US8079810 Turbine airfoil cooling system with divergent film cooling hole
12/13/2011US8075279 Coated turbine blade
12/13/2011US8075273 Fan blade modifications
12/13/2011US8075271 Electrohydraulic propeller governor
12/13/2011US8075270 Fan blade retention and variable pitch system
12/13/2011US8075266 Method and apparatus for rotating a component of a wind energy plant
12/08/2011CA2793305A1 Determining fan parameters through pressure monitoring
12/07/2011EP2391536A2 Engine, in particular cror drive, for an aircraft
12/07/2011CN102267551A 一种高效螺旋桨 An efficient propeller
12/06/2011US8070453 Centrifugal impeller having forward and reverse flow paths
12/06/2011US8070452 Blade provided with a horizontally-wound spar, and a method of fabricating such a spar
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