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Rotor Blades

Rotor Blades-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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NEW Method for balancing segmented wind turbine rotor blades
General Electric Company
February 15, 2018 - N°20180045174

A method for balancing segmented rotor blades for a wind turbine may include determining a weight for each of a plurality of blade segments, wherein each blade segment extends between a first end and a second and is configured to form a common spanwise section of a segmented rotor blade between the first and second ends. The method may also ...
NEW Control system for controlling at least collective pitch of rotor blades of a multi-blade rotor ...
Airbus Helicopters Deutschland Gmbh
February 15, 2018 - N°20180044008

A control system for controlling at least collective pitch of rotor blades, of a multi-blade rotor with a rotor shaft in a rotary-wing aircraft, the control system comprising a non-rotating sliding sleeve that is mountable to the rotor shaft such that the non-rotating sliding sleeve is axially displaceable coaxially to an associated rotor axis on the rotor shaft, at least ...
System and method for locating airflow modifiers for installation on a wind turbine rotor blade
General Electric Company
February 08, 2018 - N°20180038343

A system for locating airflow modifiers for installation on wind turbine rotor blades may generally include a plurality of airflow modifiers, with each airflow modifier including a base defining an outer profile that differs from the outer profiles of the remainder of the airflow modifiers. The system may also include a blade shell defining an exterior surface. The base of ...
Rotor Blades Patent Pack
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Rotor Blades Patent Applications
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inventor
  • 113+ full patent PDF documents of Rotor Blades-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
System and method for controlling a wind turbine
General Electric Company
February 01, 2018 - N°20180030955

The present disclosure is directed to a method for controlling a wind turbine having a rotor with a plurality of rotor blades mounted thereto based on a spatial wind speed distribution. The method includes monitoring, via at least one sensor, one or more operating conditions of the wind turbine. The method also includes determining a rotor azimuth angle of the ...
Bearing module for adjusting a rotor blade angle of attack in an underwater power plant
Aktiebolaget Skf
February 01, 2018 - N°20180030949

A bearing module for adjusting a rotor blade angle of attack in an underwater power plant includes a rotor-blade shaft, at least two bearings for supporting the rotor-blade shaft, the at least two bearings being axially spaced from each other on the rotor-blade shaft, a first attachment structure for producing a mechanical connection to a rotor-blade hub, a second attachment ...
A wind turbine with a rotor comprising a hollow king pin
Vestas Wind Systems A/s
January 25, 2018 - N°20180023544

A wind turbine (11) comprising a tower structure (12, 13) and two or more rotors (1). Each rotor (1) comprises a hollow king pin (2) and a hub (4) carrying one or more rotor blades (14). The hollow king pin (2) is formed in a single cylindrical piece, and is mounted on the tower structure (12, 13). The hub (4) is rotatably mounted on the hollow cylindrical king pin (2). A generator (6) is ...
Rotor Blades Patent Pack
Download 113+ patent application PDFs
Rotor Blades Patent Applications
Download 113+ Rotor Blades-related PDFs
For professional research & prior art discovery
inventor
  • 113+ full patent PDF documents of Rotor Blades-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Hub and rotor assemby for wind turbines with conjoined turbine blades
January 18, 2018 - N°20180017037

A hub and rotor assembly for wind turbines which include one or more conjoined blades. Each conjoined blade comprises two separate blade sections that are affixed together by a plurality of dividers or spacers. Each divider/spacer attaches to the inferior face of the first blade and the superior face of the second blade. This construction of rotor blades allows ...
Vortex wind power conversion system
January 18, 2018 - N°20180017036

A wind energy device (100) utilizes a cone (102) to concentrate the wind. The inside of the cone (102) has rifling (110) which spirals the wind to more effectively hit the rotor blades (112) adjacent the smaller opening (108) of the cone (102). A convex screen (124) deflects objects from the larger opening (104) of the cone (102). The device has a bottom caudal fin (116) to help direct the wind ...
Shroud housing supported by vane segments
Pratt & Whitney Canada Corp.
January 18, 2018 - N°20180016943

A shroud mounting arrangement comprises a shroud housing and a shroud mounted to the shroud housing. The shroud is configured to surround a stage of rotor blades of a gas turbine engine. A circumferentially segmented vane ring is disposed axially adjacent to the stage of rotor blades. The circumferentially segmented vane ring comprises a plurality of vane segments. The vane ...
Shroud for a gas turbine engine
General Electric Company
January 18, 2018 - N°20180016924

Shrouds and shroud segments for gas turbine engines are provided. In one embodiment, a shroud segment for a gas turbine engine having a rotor blade stage and a nozzle stage is provided. The shroud segment comprises a forward end defining an outer wall of the rotor blade stage and an aft end defining an outer wall of the nozzle stage. ...
Wind turbine
Mega Windforce Ip Bv I/o
January 11, 2018 - N°20180010581

A wind turbine is described which includes a support structure, a rotor which includes one or multiple rotor blades and which is situated on the support structure so that the rotor is freely rotatable about a rotation axis, and a generator which is connected to the rotor and which converts the wind energy into electrical energy when the rotor is ...
Shroud configurations for turbine rotor blades
General Electric Company
January 11, 2018 - N°20180010467

A turbine rotor blade that includes a tip shroud attached to the outboard tip of the airfoil. The tip shroud may include an axially and circumferentially extending planar component in which an inboard surface opposes an outboard surface, and a shroud edge that connects the inboard surface to the outboard surface and defines an outboard profile of the tip shroud. ...
Rotor moment control system for a rotary wing aircraft
Sikorsky Aircraft Corporation
January 04, 2018 - N°20180004229

A method of controlling rotor moments includes receiving, in a flight control computer (fcc) a rotor moment reference value based on pilot inceptor inputs, sensing rotor moment from one or more sensors, receiving, in the fcc, a rotary wing aircraft condition parameter, and establishing, through the fcc, a rotor blade pitch angle for one or more of a plurality of ...
Rotor Blades Patent Pack
Download 113+ patent application PDFs
Rotor Blades Patent Applications
Download 113+ Rotor Blades-related PDFs
For professional research & prior art discovery
inventor
  • 113+ full patent PDF documents of Rotor Blades-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Rotor blade damage
Rolls-royce Plc
January 04, 2018 - N°20180003073

A rotor assembly (30) comprising a rotor (32) having an annular array of rotor blades (34), the rotor mounted to a shaft (38). A phonic wheel (40) coupled to the shaft. A speed sensor (44) axially aligned with the phonic wheel and configured to measure voltage (v), amplitude of the voltage being proportional to clearance (46) between the sensor and phonic wheel. A processor (48) configured to: receive ...
Interior cooling configurations for turbine rotor blades
General Electric Company
January 04, 2018 - N°20180003061

A turbine rotor blade that includes an interior cooling configuration having a section configuration that includes: a main channel divided into three non-overlapping segments in which an upstream segment connects to a downstream segment via a transition segment positioned therebetween; and one or more branching channels extending from the main channel via connections each makes to the transition segment. The ...
Erosion resistant coatings
Hontek Corporation
January 04, 2018 - N°20180002530

An erosion resistant article such as rotor blades for helicopters and wind turbines having the leading edge surface protected from damage from high speed impingement of rain or sand with a protective coating formed from specific polyurethane or polyurea coating having a defined set of minimum physical properties where the protective coating can be applied as a liquid coating and ...
Apparatus and methods for making rotorcraft rotor blades
Sikorsky Aircraft Corporation
January 04, 2018 - N°20180002038

A method of making a rotor blade assembly includes receiving a sheath assembly and a blade body at a blade assembly tool. The sheath assembly is spread by applying force to an interior surface of the sheath assembly. The blade body is inserted within the interior of the sheath assembly, registered with the sheath assembly, and the force removed from ...
Thrust-generating rotor assembly
Prox Dynamics As
January 04, 2018 - N°20180002008

The present invention discloses a rotor control system where rapid changes in rotor torque are transferred into moment forces acting about the blade pitch axis of a rotor blade in a thrust-generating rotor, to ultimately control the movements of a rotary wing aircraft. The moment forces acting on the rotor blade are transferred through a carefully adjusted damping member in ...
Rotor assembly including a one piece molding rotor hub
Sikorsky Aircraft Corporation
January 04, 2018 - N°20180002002

A rotor assembly for use with rotor blades and a drive shaft includes a one-piece molded rotor hub having a central hub and a plurality of hollow spindles integrally molded with and extending radially outwardly of the central hub to which rotor blades are attachable. The central hub includes a hollow interior that is receptive to a drive shaft configured ...
Method for operating a wind farm
Wobben Properties Gmbh
December 28, 2017 - N°20170373533

A method for operating a plurality of wind energy installations configured for supplying electric power to an electrical supply system, that each have an aerodynamic rotor with rotor blades and an electrical generator and also operating equipment, is disclosed. The wind energy installations are operated while they are not connected to the electrical supply system, where at least one of ...
Fluid turbine rotor blade with winglet design
December 28, 2017 - N°20170370345

A family of dual-winglet rotor blades are designed to dissipate the low energy flow in the wake of a turbine rotor. In some embodiments a dual-winglet having a first winglet transitioning from the lift surface of a rotor blade and a second winglet transitioning from the pressure surface of the rotor blade creates two distinct streams in the wake of ...
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