| Patents for F01D 7 - Rotors with blades adjustable in operation; Control thereof (641) |
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| 08/08/2013 | US20130202436 Feathering propeller with blade dampening at forward and backward motion and blades pitch control during backward motion |
| 08/08/2013 | US20130202407 Oscillating Hydrofoil, Turbine, Propulsive System and Method for Transmitting Energy |
| 08/08/2013 | US20130199167 Hydraulic device for changing the pitch of a propeller |
| 08/07/2013 | EP2623712A2 Method and apparatus for model based control for counter-rotating open-rotor gas turbine engine |
| 08/07/2013 | EP2623711A2 Method and apparatus for non-model based control for counter-rotating open-rotor gas turbine engine |
| 08/07/2013 | EP2622179A1 Hydraulic system for fan pitch change actuation of counter-rotating propellers |
| 08/01/2013 | US20130195654 Device and Method for Reducing Loads |
| 08/01/2013 | US20130195653 Wind turbine and vibration damping method thereof |
| 07/31/2013 | EP2619417A1 Sealing device having a sleeve for the passage of a connecting rod of a system for controlling the orientation of the blower blades of a turboprop engine through a partition |
| 07/24/2013 | EP2617947A2 Aviation gas turbine with adjustable fan |
| 07/24/2013 | CN103221643A Turboprop provided with a blade-positioning device |
| 07/23/2013 | CA2530137C Stage of straightening blades activated by an electrically-driven rotating crown |
| 07/17/2013 | CN203067038U Novel pneumatic impeller |
| 07/17/2013 | CN103210183A Hydraulic device for changing the pitch of a propeller |
| 07/11/2013 | US20130177421 Electric power supply for apparatuses supported by the rotor of an aircraft engine |
| 07/11/2013 | US20130177415 System and Method for Variation of the Pitch Angle Position of Rotor Blades of a Wind Energy Installation |
| 07/04/2013 | US20130170990 Power generation apparatus |
| 07/02/2013 | US8475117 Gas turbine compressor and method of operation |
| 06/21/2013 | CA2761927A1 Vertical axis windmill whose blades can be folded down |
| 06/20/2013 | DE102011088820A1 Strömungsmaschine und Verfahren zum Betreiben einer solchen Flow machine and methods for operating such an |
| 06/18/2013 | CA2537435C Device for adjusting the centring of a synchronization ring for the control of turning vanes in a turbine engine |
| 06/13/2013 | US20130145753 Turbomachinery Having Self-Articulating Blades, Shutter Valve, Partial-Admission Shutters, and/or Variable-Pitch Inlet Nozzles |
| 06/11/2013 | CA2530131C Stage of straightening blades activated by an electrically-driven rotating crown |
| 06/06/2013 | US20130142653 Variable-pitch propeller or repeller |
| 06/05/2013 | CN103140650A Sealing device having a sleeve for the passage of a connecting rod of a system for controlling the orientation of the blower blades of a turboprop engine through a partition |
| 05/30/2013 | WO2013078159A1 Rotary energy generating system and corresponding device |
| 05/30/2013 | US20130136596 Blade-pitch control system with feedback swashplate |
| 05/28/2013 | CA2554264C Reversible driving apparatus for pcu pumps |
| 05/22/2013 | EP2593359A1 Feathering propeller with blade dampening at forward and backward motion and blades pitch control during backward motion |
| 05/22/2013 | CN103119250A Hydraulic system for fan pitch change actuation of counter-rotating propellers |
| 05/21/2013 | US8444385 Phase adjustment mechanism |
| 05/16/2013 | US20130119187 Device for varying blade pitch of a lift rotor |
| 05/09/2013 | US20130115084 Turbine |
| 04/25/2013 | US20130101419 Turbomachine blade incidence control system and turbomachine |
| 04/23/2013 | US8428784 Rotational speed determination |
| 04/18/2013 | US20130094963 Distributed propulsion system and method of control |
| 04/17/2013 | CN103046969A Novel pneumatic impeller |
| 04/13/2013 | CA2755024A1 Hybrid intelligent control method and system for power generating apparatuses |
| 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 | CA2850702A1 Turbo engine with propeller(s) for an aircraft with a system for changing the pitch of the propeller |
| 04/02/2013 | US8408871 Method and apparatus for measuring air flow condition at a wind turbine blade |
| 03/28/2013 | US20130078096 System for controlling pitch variation of the blades of a propeller, a propeller, and an aircraft |
| 03/26/2013 | US8403641 Wind turbine blade tip brake apparatus and method |
| 03/14/2013 | US20130064666 Active twist hollow beam system |
| 03/14/2013 | US20130064665 Low pressure steam turbine including pivotable nozzle |
| 03/07/2013 | US20130058789 Actuating blades of an unducted fan |
| 02/28/2013 | US20130047756 Counterweight-based device for controlling the orientation of fan blades of a turboprop engine |
| 02/21/2013 | DE102011111011A1 Adjustable shovel element of a gas turbine of an aircraft engine, comprises adjusting device for changing shape of adjustable shovel element, which is constructed by a generative manufacturing process |
| 02/14/2013 | US20130039766 Dual direction axial fan |
| 02/13/2013 | EP2557296A2 System and method for hot ambient and grid frequency compensation for a gas turbine |
| 01/17/2013 | US20130017087 Device for controlling the pitch of turboprop fan blades |
| 01/10/2013 | US20130011261 Assembly having a control device with racks for controlling the angular position of pivotally-mounted blades in a turbine engine |
| 01/09/2013 | EP2542470A1 Counterweight-based device for controlling the orientation of fan blades of a turboprop engine |
| 01/09/2013 | CN102869570A Counterweight-based device for controlling the orientation of fan blades of a turboprop engine |
| 01/08/2013 | US8348598 Wind turbine generator and rolling bearing for wind turbine generator |
| 12/27/2012 | US20120328436 Electromechanical actuator driven governor for ram air turbine |
| 12/26/2012 | EP2536920A2 Turboprop provided with a blade-positioning device |
| 12/20/2012 | US20120321470 Mounting system |
| 12/19/2012 | EP2535519A2 A retention device for a rotating blade |
| 12/19/2012 | EP2535518A2 Blade mounting system |
| 12/17/2012 | CA2778548A1 A wind turbine blade |
| 12/12/2012 | CN101230789B Turbo-propeller comprising a propeller formed by blades with adjustable orientation |
| 12/06/2012 | US20120308385 Turboprop provided with a blade-positioning device |
| 12/06/2012 | US20120308384 Twist mechanism for twisting a rotor blade for a rotorcraft, and a blade |
| 11/29/2012 | DE102011102359A1 Gas turbine for use in gas turbine engine i.e. turbo-engine, of aircraft, has guide tracks extending in axial direction with respect to axis, and blades moved along curved tracks by piston-cylinder that has front piston and rear piston |
| 11/22/2012 | US20120294718 Variable pitch propeller rotor |
| 11/22/2012 | US20120294716 Pitch drive device for a wind power or hydroelectric power station |
| 11/22/2012 | US20120292456 Method and Apparatus for In-Flight Blade Folding |
| 11/21/2012 | EP2525046A2 Propulsion engine |
| 11/08/2012 | US20120279001 Automatic cleaning machine driven by hydraulic power from bottom of swimming pool and hydraulic drive jaw type clutch impeller combination thereof |
| 11/08/2012 | DE102011100703A1 Turbo-engine has turbine unit with stator and rotor rotating around rotational axis, where rotor has blade wheel, which contains support plate that is coaxial to rotational axis, and limiting wall is formed by covering disk |
| 11/06/2012 | US8303256 Blade pitch driving apparatus for wind driven generator |
| 11/01/2012 | US20120275907 Fluid energy machine |
| 10/23/2012 | CA2500942C Ceramic-based bushing for a variable setting system for turbine engine blades |
| 10/18/2012 | US20120263590 Rotary wing blade, rotor comprising at least two of such blades and method to implement such a rotor |
| 10/11/2012 | US20120257975 Propeller hub having a reinforced polygonal ring and turbine engine provided with such a hub |
| 10/02/2012 | CA2547025C Stage control system for the variable pitch stator blades of a turbomachine |
| 09/27/2012 | US20120243994 Rotor system |
| 09/25/2012 | US8272833 Turboprop with a variable-pitch propeller |
| 09/13/2012 | WO2012121748A1 Reconfigurable rotor blade |
| 09/13/2012 | CA2829063A1 Reconfigurable rotor blade |
| 09/07/2012 | WO2012117209A1 Component made of composite material comprising boss elements and corresponding production method |
| 09/07/2012 | CA2827806A1 Component made of composite material comprising boss elements |
| 08/28/2012 | CA2494770C Blade elevation setting control lever in a jet turbine engine |
| 08/02/2012 | US20120195766 Cmc turbine engine blades and a rotor wheel for a turbine engine and a turbine engine integrating them |
| 07/31/2012 | US8231345 Fan blade pitch change assembly |
| 07/10/2012 | US8215906 Variable tip speed ratio tracking control for wind turbines |
| 07/05/2012 | WO2012092543A1 Variable vane for gas turbine engine |
| 07/05/2012 | WO2012092319A1 Remote wind turbine reset system and method |
| 07/05/2012 | CA2823224A1 Variable vane for gas turbine engine |
| 07/03/2012 | US8210810 Rotor turning device for wind turbine generator and rotor turning method |
| 06/30/2012 | CA2762810A1 Variable geometry vane system for gas turbine engines |
| 06/26/2012 | US8206107 Variable length wind turbine blade having transition area elements |
| 06/26/2012 | CA2464809C Control lever fastener with slack adjuster on blades with variable blade angle |
| 06/14/2012 | US20120148400 System for detecting an ephemeral event on a vane impeller of an aircraft engine |
| 06/13/2012 | EP2462258A1 Electrolysis cell and electrical power unit incorporating same |
| 06/12/2012 | US8197212 Power-assisted control system for a rotorcraft |
| 06/07/2012 | US20120141273 Helicopter vibration control system and rotary force generator for canceling vibrations |
| 05/31/2012 | WO2012071591A1 Fluid turbine having optimized blade pitch profiles |
| 05/31/2012 | US20120134829 Fluid Turbine Featuring Dynamically Phase-Adjustable Cam |