Patents
Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644)
01/2014
01/01/2014CN103482069A Agricultural unmanned aerial vehicle
12/2013
12/31/2013US8618684 Method for operating a wind turbine
12/27/2013WO2013190459A1 Propeller flange lock arrangement
12/26/2013US20130343896 Catcher ring arrangement
12/25/2013EP2677121A2 A catcher ring arrangement
12/25/2013EP2675705A1 Propeller blade and engine provided with said propeller blade for aircraft
12/25/2013EP2292512B1 Aircraft seat with adjustable armrest
12/25/2013CN103466089A Fast-flying helicopter
12/22/2013CA2818666A1 A catcher ring arrangement
12/18/2013EP2674357A2 Tapered roller bearing element and propeller blade retention assembly
12/17/2013US8608448 Shroudless blade
12/17/2013US8608109 Payload use of wing to body volume in an elliptical fuselage
12/11/2013CN103434641A Novel propeller utilizing Magnus effect
12/11/2013CN103434627A Automatic control mechanism of rocker sliding block type cycloid paddle
12/10/2013US8602739 Wind turbine rotor blade and pitch regulated wind turbine
12/08/2013CA2816427A1 Helicopter with a transverse duct
12/05/2013WO2013178963A1 Method of producing a metal reinforcement for a turbine engine blade
12/05/2013US20130323065 Fan rotor blade and fan
12/04/2013EP2669192A1 Propeller blade
12/04/2013CN103429880A Turbomachine with fan(s) for aircraft, with mobile jet nozzle
12/04/2013CN103429780A Method for producing a metal component such as a turbomachine blade reinforcement
12/04/2013CN103419924A All-round sea, land and air wing type airflow orientation aircraft
12/03/2013US8596975 Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine
12/03/2013US8596974 Active rotor blade control effector system for a rotary-wing aircraft
11/2013
11/28/2013WO2013175098A1 Electrical powering system comprising an asynchronous machine and propulsion engine provided with such an electrical powering system
11/28/2013US20130315701 Aircraft propulsion system and a method of controlling the same
11/27/2013CN203306224U Propeller and aircraft provided with same
11/27/2013CN103415388A Component made of composite material comprising boss elements
11/26/2013CA2580452C Expandable impeller pump
11/20/2013EP2551190B1 Convertiplane
11/20/2013EP2427371B1 Propfan blade deicing system
11/20/2013CN103402691A Method for producing a metal component such as a turbomachine blade reinforcement
11/20/2013CN103395494A Saucer-shaped helicopter
11/20/2013CN103395491A Slotting duct propeller systems and hovercar applying same
11/16/2013CA2806095A1 Shape memory alloy active spars for blade twist
11/14/2013WO2013137964A3 Method and coating for protecting and repairing an airfoil surface
11/12/2013US8579594 Wind turbine blade with submerged boundary layer control means
11/12/2013US8579587 Method of reducing or even eliminating the vibration of a rotorcraft lift and propulsion rotor, and an airfoil assembly and a rotor implementing said method
11/07/2013US20130292096 Heat dissipating fan and fan wheel
11/07/2013DE102012207447A1 Ölversorgungssystem für ein Propellerturbinentriebwerk Oil supply system for a turbine engine
11/06/2013EP2660146A1 Propeller blade with modified spar layup
11/06/2013EP2660145A1 Propeller blade with lightweight insert
11/06/2013EP2660144A1 Propeller blade with modified spar stiffness.
11/06/2013EP2660143A1 Propeller blade with lightweight insert and bulkheads.
11/05/2013US8577509 Method and a system for controlling operation of a wind turbine
10/2013
10/31/2013US20130287577 Rotor-arm assembly and a multi-rotorcraft
10/30/2013CN103373466A Electrical wiring system for a rotor hub
10/29/2013US8568100 Bi-axial compliant bearing
10/25/2013CA2813886A1 Electrical wiring system for a rotor hub
10/25/2013CA2805167A1 Aircraft rotor with discrete flap hinge
10/24/2013US20130280078 Wind Turbine Blade Pitch Redundant Safety Arrangement
10/24/2013US20130280065 Propeller blade pitch actuation system
10/23/2013EP2653381A2 Improved propeller blade pitch actuation system
10/23/2013EP2653380A2 Propeller blade with internal stiffener
10/23/2013EP2653379A2 Propeller blade with metallic foam spar core
10/23/2013CN203246583U Wear-resistant propeller
10/17/2013WO2013154648A1 Gas turbine engine with high speed low pressure turbine section
10/17/2013CA2856561A1 Gas turbine engine with high speed low pressure turbine section
10/15/2013US8556589 Hybrid composite for erosion resistant helicopter blades
10/15/2013US8556587 Propeller fan
10/15/2013US8556583 Blade cooling structure of gas turbine
10/15/2013CA2708269C Rotor blade and method of making same
10/09/2013EP2647568A2 Propeller blade with reinforced spar core
10/09/2013EP2647567A2 Aircraft propeller balancing system
10/03/2013US20130259688 Pitch lock system
10/02/2013EP2435303B1 Actuator arrangement for pitch adjustment of a turbofan engine, the actuator rotating together with the turbofan blades
10/02/2013CN101553399B Propeller blade retention
10/01/2013US8545182 Wind turbine blade and hub assembly
10/01/2013US8545178 Controlled propeller pitch lock actuation system
09/2013
09/27/2013CA2798727A1 Enhanced performance rotorcraft rotor blade
09/26/2013US20130251529 Retractable composite impeller assembly
09/25/2013EP2640636A1 Device for shifting a propeller into reverse, comprising an actuator acting on a crank pin
09/25/2013CN103328322A High efficiency propeller blade with increased pressure side surface
09/25/2013CN103318393A Spiral pressure-guiding drive impeller of runner
09/24/2013US8540936 Turbine blade erosion sensor
09/24/2013US8540492 Intake cone in a fiber compound material for a gas-turbine engine
09/19/2013DE102005061751B4 Rotorblatt für ein Drehflügelflugzeug Rotor blade for a rotary wing aircraft
09/18/2013CN203199176U Double-layer propeller blade
09/18/2013CN103303083A Navigation system for vehicle, vehicle provided with same and aerocar
09/18/2013CN102001442B Casting formed blade guide frame and casting forming method thereof
09/17/2013US8535010 Axial flow fan
09/17/2013US8535007 Hydraulic actuator locking device
09/17/2013CA2759763C Blade for helicopter anti-torque device
09/16/2013CA2805894A1 Dual frequency damper for an aircraft
09/11/2013CN103287573A Airfoil for use in rotary machines
09/11/2013CN103287572A Rotor blade, rotor, aircraft, and method
09/11/2013CN103287571A Offset stacked yoke hub for tiltrotor aircraft
09/10/2013US8529717 Structural mat for reinforcing a wind turbine blade structure, a wind turbine blade and a method for manufacturing a wind turbine blade
09/10/2013US8529205 Passive cyclic pitch control
09/04/2013EP2634087A2 Airfoils for use in rotary machines
09/04/2013EP2632793A1 High efficiency propeller blade with increased pressure side surface
09/04/2013CN103282275A Device for shifting a propeller into reverse, comprising an actuator acting on a crank pin
09/04/2013CN101990452B Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same
08/2013
08/29/2013WO2013098736A3 A four-rotor helicopter
08/29/2013US20130224022 Helicopter blade retention composite yoke
08/29/2013CA2807200A1 Airfoils for use in rotary machines
08/29/2013CA2806793A1 Blade insert for a wind turbine rotor blade and related methods
08/29/2013CA2806784A1 Blade insert for a wind turbine rotor blade and related methods
08/28/2013EP2631323A1 Erosion and fatigue resistant blade and blade coating
08/28/2013EP2631169A1 Rotor blade, rotor, aircraft, and method
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 37