| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 416159000 | Power or manual actuator on non-rotatable part | 19 |
| 20090311100 | TURBOPROP INCLUDING A SET OF ADJUSTABLE-PITCH BLADES - A turboprop including a rotary casing fitted with adjustable-pitch blades enabling thrust to be managed. Each blade is coupled, for the purpose of adjusting its pitch, to a control member of an annular actuator carried by the rotary casing. | 12-17-2009 |
| 20100196162 | SIMULTANEOUS TWIN PITCH ADJUSTMENT SYSTEM - Disclosed is a simultaneous twin pitch adjustment system that includes a flexible shafting cord operatively connected to first and second couplers. The couplers are supported by posts and are operatively connected to pitch communicators. A handle is supported by each post and is configured such that manipulation of the handle translates to adjustment of the pitch of an associated rotor blade assembly. When the simultaneous twin pitch adjustment system is engaged, manipulation of one handle further translates, via the flexible shafting cord, to adjustment of the pitch of another rotor blade assembly in an amount essentially equal to the amount the associated rotor blade assembly is adjusted. | 08-05-2010 |
| 20100329866 | VARIABLE CONTROL ROTOR HUB WITH SELF-CONTAINED ENERGY STORAGE RESERVOIR - A variable control rotor hub is provided for harnessing kinetic energy of a water current flow. The hub comprises a hub body that is configured to rotate about a rotational axis, an energy storage reservoir entirely contained in the hub body, and a blade driver that is configured to effectuate rotor blade movement using energy received from the energy storage reservoir. | 12-30-2010 |
| 20110038730 | Device for Changing a Pitch of a Blade of an Impeller/Propeller and a Fan Comprising the Device - A device for changing a pitch of a blade of an impeller/propeller is disclosed. It comprises at least one linear actuator. A first bearing is mounted to a non rotary mechanical element with the first portion, and a second bearing is mounted to the second portion, allowing a relative axial movement between the first bearing and second bearing. The first bearing is mounted between a supporting structure of the rotor shaft and the non rotary mechanical element, allowing a relative rotation between the supporting structure and the at least one linear actuator. The second bearing is mounted between the second portion and a lever means having a rotary point at the supporting structure. When operating the at least one linear actuator, the second portion is moved axially, leading to an angular movement of the lever means causing a change of the pitch of a blade, and when operating the at least one linear actuator, a force is generated that acts upon the non rotary element, so that the rotor shaft is unaffected by the force. Also, a fan comprising the device is disclosed. | 02-17-2011 |
| 20110142647 | ADJUSTING DEVICE FOR ADJUSTING THE ROTATION ANGLE POSITION OF THE ROTOR OF A WIND ENERGY SYSTEM - An adjusting device for adjusting the rotation angle position of the rotor of a wind energy system should be improved by the invention, whereby a complicated processing of the brake disc previously used for engagement of the drive is no longer necessary, and whereby said brake disc can be flexibly arranged in an area with sufficient construction space. For this purpose, the adjusting device has at least one force transducer wheel and/or a force transducing disc which is mounted or can be mounted on a shaft ( | 06-16-2011 |
| 20110171030 | BACK-UP FEATHERER - A back-up featherer for an engine arrangement having a main hydraulic actuator which angularly displaces propellers of a propeller assembly of the engine arrangement, and fluid supply lines for transferring hydraulic fluid between a hydraulic pressure power source located on a static structure of the engine arrangement and the main hydraulic actuator. The back-up featherer has a back-up actuator assembly for angular displacement of the propellers, the back-up actuator assembly rotating with the propeller assembly, a signal detector operatively connected to the back-up actuator assembly and rotates with the propeller assembly, and a back-up rotating coupling. A static side of the back-up rotating coupling is mounted to the static structure of the engine arrangement and communicates with a regulator located on a static structure of the engine arrangement. A rotating side of the back-up hydraulic rotating coupling rotates with the propeller assembly and communicates with the signal detector. | 07-14-2011 |
| 20110280727 | Improved Rotor-Blade Control System and Method - A blade-pitch control system has a swashplate configured for continuous rotation with an associated rotor and mast, and at least one link connects the swashplate to each blade of the rotor. The swashplate provides for collective control of the pitch angle of the blades through selective rotation of the swashplate about a swashplate axis while the swashplate is rotating with the rotor and mast. The system can be configured to provide for cyclic control of the pitch angle of the blades through planar translation of the swashplate or through tilting of the swashplate about axes generally perpendicular to the swashplate axis. | 11-17-2011 |
| 20120269632 | FLAP CONTROL FOR WIND TURBINE BLADES - A wind turbine blade has one or more trailing edge flaps. An actuator mechanism for the flaps comprises a shaft extending along the blade length driven by a motor arrangement toward the blade root. The flap is connected to the shaft through a linkage so that rotation of the shaft pivots the flap about a hinge line. The linkage may be non-rigid and coupled to the shaft through a roller, or rigid and coupled to the shaft through a crank arm mounted on the shaft. An offset actuation mechanism is provided for imparting movement to the linkage in addition to movement due to rotation of the shaft. | 10-25-2012 |
| 20120308385 | TURBOPROP PROVIDED WITH A BLADE-POSITIONING DEVICE - A turboprop provided with a blade-positioning device including a stationary nacelle, a rotary nacelle including a plurality of blade roots, a turbine, the stationary and rotary nacelles and the turbine being coaxial along a longitudinal axis, a blade positioning device including for each blade a device configured to transform movement suitable for transforming a translation movement into a rotation movement, each one of the device for transforming movement being secured to the rotary nacelle and being suitable for pivoting a blade. The positioning device is placed between the inner surface of the stationary nacelle and the outer surface of the turbine, the positioning device including a member including a body secured to the stationary nacelle and a rod for sliding along an axis substantially parallel to the longitudinal axis. | 12-06-2012 |
| 20140023505 | DEVICE FOR THE BLIND COUPLING OF FLUIDIC, ELECTRICAL OR SIMILAR SUPPLIES, TO A RECEIVING CONTROL MECHANISM - The device ( | 01-23-2014 |
| 20140112791 | Adjustable fan and post mount - An electric or battery powered fan has Omni-Directional adjustments which include a Single point keyhole Oscillation system that adapts a male end (key) flexible pipe coupled to a female keyhole detent system which is coupled to a spring push pin mechanism which allows for angle adjustments at a specific coefficient of friction, which are adjusted by torque from detent and stop mechanism. The flexible pipe allows for unlimited directional adjustments that withstand repositioning at any direction. Said flexible pipe rotates 360 degrees inside the clamp in both directions on a rotational axis. The clamp design which is a quick release mechanism based on the radius of clamp jaw and lag bolt which allows for a quick release mounting system. It is therefore possible to direct air-flow in infinite variations. | 04-24-2014 |
| 20160152331 | ROTOR OF AN AIRCRAFT COMPRISING A HELICAL ACTUATOR | 06-02-2016 |
| 416160000 | Planetary gearing connecting rotatable and non-rotatable parts | 1 |
| 20140205457 | SYSTEM FOR CHANGING THE PITCH OF THE BLADES OF A PROPELLER - The system comprises a linear-displacement fluidic actuator ( | 07-24-2014 |
| 416161000 | Axially movable impeller | 1 |
| 20090220343 | HUB PITCH GEAR REPAIR METHOD - A method for repairing a hub pitch gear assembly. The method includes providing a ring assembly for adjusting a pitch angle of a wind turbine blade having a plurality of gear teeth. A segment of the ring assembly is removed, the segment including at least a portion of at least one gear tooth, to form a repair cavity. A repair segment configured to mate the repair cavity is provided and the repair segment is directed into the repair cavity and fastened in position. A repaired pitch gear assembly and wind turbine are also disclosed. | 09-03-2009 |
| 416162000 | Having motor | 2 |
| 20110142648 | ENGINE ARRANGEMENT - An engine arrangement has a gear assembly that drives a first propeller assembly. The gear assembly is driven by a power drive shaft that joins to the gear assembly at a first side. The engine arrangement has a static conduit that extends along a longitudinal internal cavity of the power drive shaft. The conduit penetrates the gear assembly such that a portion of the conduit projects from an opposing second side of the gear assembly. The engine arrangement has one or more first fluid supply lines routed along the static conduit between a hydraulic pressure power source and the first hydraulic actuator. A first hydraulic rotating coupling is mounted to the projecting portion of the static conduit. The first fluid supply lines fluidly communicate with the first hydraulic actuator via the first rotating coupling. | 06-16-2011 |
| 20120114487 | WIND TURBINE GENERATOR - Provided is a wind turbine generator including an electric pitch-control device that efficiently utilizes the entire circumferential teeth of a ring gear of a wind turbine blade so as to eliminate the need for work at high elevation using a crane or the like even when the teeth of the ring gear are partly broken. A wind turbine generator having an electric pitch-control device that performs pitch-angle control by using a motor to drive a pinion gear that meshes with a ring gear of a wind turbine blade includes a plurality of pinion-driving-mechanism securing supporters or a fixing/releasing switching part as a meshing-region changing mechanism that changes a pitch-angle-control meshing region of the ring gear that meshes with the pinion gear during the pitch-angle control. | 05-10-2012 |
| 416163000 | Adjustment rod through entire impeller shaft | 1 |
| 20130323059 | WIND TURBINE GENERATOR - A wind turbine generator includes a plurality of blades that radially protrude from a rotor head about an axis of a main shaft, and a pitch axis rotation mechanism that is provided in the rotor head to rotate the blade about a pitch axis P. The pitch axis rotation mechanism includes an actuator that is supported by the rotor head, and has a stretchable rod which is supported by the rotor head, and a link structure that links the rod to the blade. The actuator extends on the axis of the main shaft. | 12-05-2013 |
| 416164000 | Reciprocating sleeve or collar on or rod in impeller shaft | 2 |
| 20150147178 | BEARING WITH LUBRICATION MEANS AND SYSTEM FOR CHANGING THE PITCH OF THE BLADES OF A TURBOPROP PROPELLER OF AN AIRCRAFT EQUIPPED WITH SAID BEARING - A bearing, such as a rolling bearing, is mounted on a support mobile in translation and includes a lubrication mechanism. The lubrication mechanism includes at least one pipe delivering a lubricant, linked to a lubricant supply source, and at least partially engaging in the support mobile in translation to deliver the lubricant from the mobile support along an internal channel to the bearing, passing through an inner ring of the bearing. | 05-28-2015 |
| 416168000 | Link connection to working member | 1 |
| 20120070292 | MOVABLE ACTUATOR DEVICE FOR CONTROLLING THE PITCH OF FAN BLADES OF A TURBOPROP - A device for controlling pitch of fan blades of a turboprop including at least one set of adjustable-pitch fan blades secured to rotate with a rotary ring centered on the longitudinal axis, and mechanically connected to a turbine rotor, each blade of the set being coupled for pitch adjustment to a synchronization ring centered on the longitudinal axis. An actuator is secured to rotate with the turbine rotor and is mechanically connected to the synchronization ring by a plurality of connection arms connected to the actuator rod and hinge-mounted on the synchronization ring such that actuating the actuator causes the synchronization ring to move in turning about the longitudinal axis. | 03-22-2012 |
| 416168000 | Turbo-machine | 1 |
| 20120070292 | MOVABLE ACTUATOR DEVICE FOR CONTROLLING THE PITCH OF FAN BLADES OF A TURBOPROP - A device for controlling pitch of fan blades of a turboprop including at least one set of adjustable-pitch fan blades secured to rotate with a rotary ring centered on the longitudinal axis, and mechanically connected to a turbine rotor, each blade of the set being coupled for pitch adjustment to a synchronization ring centered on the longitudinal axis. An actuator is secured to rotate with the turbine rotor and is mechanically connected to the synchronization ring by a plurality of connection arms connected to the actuator rod and hinge-mounted on the synchronization ring such that actuating the actuator causes the synchronization ring to move in turning about the longitudinal axis. | 03-22-2012 |
