Patents
Sitemap › B64 - Aircraft; Aviation; Cosmonautics › B64C - Aeroplanes; Helicopters › 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)
02/2013
02/05/2013US8366398 Multiple piece turbine blade/vane
02/05/2013US8366392 Composite air cooled turbine rotor blade
01/2013
01/31/2013US20130028744 Aerodynamic surface with improved properties
01/30/2013EP2551190A1 Convertiplane
01/30/2013CN102905972A Method and apparatus for in-flight blade folding
01/29/2013US8360728 Aircraft with transient-discriminating propeller balancing system
01/29/2013CA2549748C Pressurized oil supply for propeller engine system
01/24/2013WO2013011225A2 Device for supplying fluid to a hydraulic jack for controlling the orientatin of the fan blades of a twin fan turboprop
01/24/2013WO2012175863A3 Blade, particularly variable-pitch blade, propellor comprising such blades and corresponding turbomachine
01/24/2013CA2842157A1 Device for supplying fluid to a hydraulic jack for controlling the orientatin of the fan blades of a twin fan turboprop
01/24/2013CA2772334A1 Reduced flow field velocity for a propulsor
01/23/2013CN102887222A Paddle with changeable torsion-angle distribution
01/22/2013US8357454 Segmented thermal barrier coating
01/17/2013US20130017093 Aircraft propeller blade
01/16/2013CN102883950A Actuation of the blades of an unstreamlined air blower
01/15/2013US8353673 Main rotor blade with integral cuff
01/10/2013WO2013006082A1 Propeller
01/09/2013EP2542470A1 Counterweight-based device for controlling the orientation of fan blades of a turboprop engine
01/09/2013CN102869570A Counterweight-based device for controlling the orientation of fan blades of a turboprop engine
01/08/2013US8348613 Airflow influencing airfoil feature array
01/08/2013CA2705655C Yaw control method for a hybrid helicopter, and hybrid helicopter equipped with a yaw control device able to implement these methods
01/03/2013US20130004318 Ball bearing retention for propeller blade and method of assembly
01/03/2013US20130004311 Rotor Hub for Use with High-Inertia Blades
01/02/2013EP2540620A1 Rotor blade and aircraft, equipped therewith
01/02/2013EP2540619A2 Ball bearing retention for propeller blade and method of assembly
01/02/2013CN202642093U Propeller and aircraft with propeller
01/01/2013US8342808 Cooling fan
01/01/2013US8342801 Method for controlling of at least one element of a first component of a wind turbine, control device and use of the control device
12/2012
12/27/2012WO2012175863A2 Blade, particularly variable-pitch blade, propellor comprising such blades and corresponding turbomachine
12/27/2012CA2837829A1 Blade, particularly variable-pitch blade, propellor comprising such blades and corresponding turbomachine
12/26/2012EP2537747A1 Propulsion system with contrarotating open rotors and its balancing method
12/26/2012EP2537746A1 Propulsion system with contrarotating open rotors and its balancing method
12/26/2012EP2536920A2 Turboprop provided with a blade-positioning device
12/25/2012US8337161 Blade root extender for a wind turbine
12/25/2012US8337156 Method of flight in an expanded speed range using thrust vectoring propellers
12/25/2012US8337154 High efficiency cooling fan
12/22/2012CA2802569A1 Electric power supply for apparatuses supported by the rotor of an aircraft engine
12/20/2012US20120321472 Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
12/19/2012CN102834316A Unshrouded fan for turbomachine
12/19/2012CN102826215A Light and small flying-wing manned aircraft with short takeoff and landing capacity
12/14/2012CA2778584A1 Mounting system
12/14/2012CA2778569A1 A retention device for a rotating blade
12/12/2012CN202593852U Connecting device for high-low temperature driving component
12/11/2012US8328517 Turbine airfoil cooling system with diffusion film cooling hole
12/11/2012US8328502 Torque converter having stator with cast-in side plate
12/06/2012US20120308385 Turboprop provided with a blade-positioning device
11/2012
11/29/2012DE112010004917T5 Rotorblatt einer Fluidturbine Rotor blade of a turbine fluid
11/28/2012CN102795333A Light airplane
11/27/2012US8317482 Swept turbomachine blade
11/27/2012US8317470 Combined light fitting and ceiling fan
11/22/2012US20120294717 Propulsion engine
11/22/2012US20120292456 Method and Apparatus for In-Flight Blade Folding
11/21/2012EP2524866A2 A variable pitch propeller rotor
11/21/2012EP2523851A1 An aerodynamic surface with improved properties
11/20/2012US8313303 Acoustical vibration dampener for a rotatable blade
11/20/2012US8313300 Rotor for centrifugal compressor
11/20/2012US8313298 Drive train between a rotor and gear unit of a wind power plant
11/20/2012US8313296 Helicopter vibration control system and rotary force generator for canceling vibrations
11/20/2012US8313287 Turbine blade squealer tip rail with fence members
11/20/2012US8313055 Aircraft having a reduced environmental impact
11/15/2012US20120288374 Air propeller arrangement and aircraft
11/14/2012EP2521851A1 Contra-rotating propeller system for an aircraft turbine engine
11/13/2012US8308437 Wind turbine with auxiliary fins
11/08/2012US20120282103 Rotor assembly
11/08/2012US20120282102 Split blade retention race with inner and outer chamfers
11/07/2012EP2520489A1 Split blade retention race with inner and outer chamfers
11/07/2012EP2519439A1 Air propeller arrangement and aircraft
11/07/2012EP2519437A1 Composite gas turbine engine component
11/07/2012CN102765473A Oil distribution device for propeller variable pitch
11/06/2012CA2775861A1 Split blade retention race with inner and outer chamfers
11/06/2012CA2526407C Wind turbine blade and method of manufacturing thereof
11/01/2012US20120275924 Interlocking blade sheath
10/2012
10/31/2012EP2516263A1 Aircraft propeller blade
10/31/2012EP2516262A1 Optimization of downstream open fan propeller position
10/31/2012DE102011111144A1 Propulsionsmittel für Fluggeräte oder Schiffe Propulsion means for aircraft or ships
10/31/2012CN202508281U Flying device using coanda effect to generate horizontal power
10/31/2012CN102756625A Slurry and flood current overhead-hoisting rescue method and amphibious medical ambulance
10/30/2012US8297933 Wind turbine blade with modular leading edge
10/25/2012US20120269626 Aircraft propeller balancing system
10/24/2012CN102745328A Bypass with tip eddy-current confinement effect
10/23/2012US8296036 Aircraft power management
10/23/2012US8292592 Nosecone bolt access and aerodynamic leakage baffle
10/18/2012WO2012140385A1 Propulsion device having unducted counter-rotating and coaxial rotors
10/18/2012DE102007028143B4 Verfahren und Einrichtung zum Verstellen eines Funktionselementes in Abhängigkeit von der Strömungsgeschwindigkeit eines strömenden Mediums Method and device for moving a functional element depending on the flow rate of a flowing medium,
10/17/2012EP2509860A1 Propeller hub having a reinforced polygonal ring and turbine engine provided with such a hub
10/16/2012US8287242 Turbine engine rotor hub
10/16/2012US8287241 Turbine blade platform trailing edge undercut
10/16/2012US8287237 Step-over blade-pitch control system
10/16/2012US8286909 Boundary layer propulsion airship with related system and method
10/10/2012EP2508236A1 Aerobat toy
10/10/2012CN202481313U Flying wing aircraft with cycloidal rotor thrusters installed
10/10/2012CN102725195A Aircraft power management
10/09/2012US8282357 Turbine blade
10/04/2012WO2012131373A1 Propeller operation
10/04/2012WO2012131271A1 System for changing the pitch of the contra-rotating propellers of a turboshaft engine
10/04/2012WO2012129632A1 Method for generating propulsion, and propulsive device (variants)
10/04/2012US20120251322 Rotating fluid conduit utilized such a propeller or turbine, characterized by a rotating annulus, formed by a rotating inner hub and a rotating outer shell
10/04/2012US20120248240 Vertical take-off and vertical landing gyroplane
10/04/2012DE102011015747A1 Active acoustic element e.g. flat speaker, for use in cabin lining of e.g. aircraft, has plate-like element producing sound waves, partially made of foamed glass ceramic material and exhibiting three-dimensional surface structure
10/03/2012EP2505829A1 Concave blade for wind turbine
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