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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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Method and device for determining the vibration of rotor blades
Safran Aircraft Engines
June 14, 2018 - N°20180164150

A method for determining the vibration of turbomachine rotor blades, including steps of measuring, via one or more sensors, the variation in the minimum distance between each sensor and the top of each blade along a radial axis of the rotor, between successive rotations of each blade in front of each sensor, a minimum distance value being obtained on each ...
Proprotor systems for tiltrotor aircraft
Bell Helicopter Textron Inc.
June 14, 2018 - N°20180162526

A proprotor system for tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub and a plurality of proprotor blades coupled to the hub such that each proprotor blade is operable to independently flap relative to the hub about a flapping axis and independently change pitch about a pitch change axis.
Soft-in-plane proprotor systems
Bell Helicopter Textron Inc.
June 14, 2018 - N°20180162520

A soft-in-plane proprotor system for a tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub, a plurality of proprotor blades and a plurality of blade support assemblies coupling the proprotor blades with the hub.
Rotor Blades Patent Pack
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Rotor Blades Patent Applications
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  • 113+ full patent PDF documents of Rotor Blades-related inventions.
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Wind turbine
Siemens Aktiengesellschaft
May 31, 2018 - N°20180149139

Provided is a wind turbine including a rotor with a hub and several rotor blades arranged at the hub with the rotor blades being rotatable around an axis relative to the hub by a pitch bearing arrangement, whereby each rotor blade extends into the hub with a blade section, with the pitch bearing arrangement including a first and a second ...
Counter-rotating vertical axis wind turbine with deflector and vortex generators
City University Of Hong Kong
May 31, 2018 - N°20180149135

A high efficiency vertical axis wind turbine (vawt) comprising two counter-rotating rotors, each comprising a plurality of straight rotor blades. One rotor is placed on a first vertical axis and another rotor is placed on a second vertical axis.
Rotor state feedback system
Sikorsky Aircraft Corporation
May 31, 2018 - N°20180148165

A control system is provided and includes a servo control system configured to control aerodynamic element pitching, an optical sensor system disposed along rotor blades to generate an optical response reflective of rotor feedback states of the rotor blades and a processing unit operably coupled between the servo control and optical sensor systems, the processing unit being configured to calculate ...
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.
Proprotor systems for tiltrotor aircraft
Bell Helicopter Textron Inc.
May 24, 2018 - N°20180141654

A proprotor system for tiltrotor aircraft having a helicopter mode and an airplane mode. The proprotor system includes a hub and a plurality of proprotor blades coupled to the hub such that each proprotor blade is operable to independently flap relative to the hub and independently change pitch.
Method for producing a rotor of a flow engine
Man Diesel & Turbo Se
May 24, 2018 - N°20180141124

The invention relates to a method for producing a rotor of a flow engine, namely an integrally bladed rotor with an integral outer shroud, comprising at least the following steps: a rotor blank comprising the integral rotor blades and the integral outer shroud is first produced by means of a generative production method; the rotor blank is then subjected to ...
Tip extensions for wind turbine rotor blades and methods of installing same
General Electric Company
May 17, 2018 - N°20180135602

The present disclosure is directed to tip extensions for wind turbine rotor blades and methods of installing same. The method includes removing a removable blade tip of a lightning protection system from the rotor blade so as to expose a down conductor of the lightning protection system.
Method of calibrating load sensors of a wind turbine
Vestas Wind Systems A/s
May 17, 2018 - N°20180135601

A method of calibrating load sensors of a wind turbine, and a wind turbine for such load sensor calibration, are disclosed. The wind turbine comprises a rotor, a plurality of rotor blades, and a plurality of load sensors associated with the rotor blades.
Steam turbine
Mitsubishi Heavy Industries Compressor Corporation
May 17, 2018 - N°20180135414

A steam turbine includes: a rotor shaft including a shaft core that rotates about an axis and disk portions that are fixed to the shaft core and expand toward a radially outer side in the shaft core; and a plurality of rotor blades that are fixed to outer peripheries of the disk portions and are disposed in a circumferential direction ...
Thin-film treatment apparatus
Buss-sms-canzler Gmbh
May 10, 2018 - N°20180128557

A thin-film treatment apparatus for treating viscous material, including a housing, having a heatable and/or coolable housing casing, which encloses a rotationally symmetric treatment chamber extending in the axial direction, an inlet port, arranged in an inlet region of the housing, for feeding the material to be treated into the treatment chamber, an outlet port, arranged in an outlet ...
Rotor and vacuum pump equipped with same
Edwards Japan Limited
May 10, 2018 - N°20180128280

A rotor of a vacuum pump has first and second cylindrical bodies and a connecting portion for connecting the end portions of the cylindrical bodies together. The first cylindrical body has a plurality of rotor blades on an outer circumferential surface thereof, and configures a blade exhaust portion when the rotor blades are arranged along an axial center of the ...
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 sequencing for dual rotor aircraft
Bell Helicopter Textron Inc.
May 03, 2018 - N°20180118334

An aircraft has a fuselage, a first rotor assembly having a first rotor hub and first rotor blades pivotably coupled to the first rotor hub and a second rotor assembly having a second rotor hub and second rotor blades pivotably coupled to the second rotor hub. The first and second rotor blades have deployed configurations extending generally radially from the ...
Attachment methods for surface features of wind turbine rotor blades
General Electric Company
April 19, 2018 - N°20180106237

The present disclosure is directed to methods for attaching a plurality of surface features to a rotor blade of a wind turbine. Such methods may include direct molding of the surface features to the rotor blade, bonding arrays of connected components to the rotor blade and subsequently removing connections between components, as well as using a flexible template with or ...
Turbine shroud segment
Pratt & Whitney Canada Corp.
April 19, 2018 - N°20180106161

A gas turbine engine has an engine case and a circumferential array of rotor blades, rotatable about a centerline. A stator vane assembly is located within the engine case and axially spaced from the array of rotor blades.
Ventilated rotor mounting boom for personal aircraft
Kitty Hawk Corporation
April 19, 2018 - N°20180105268

Described embodiments provide a rotor mounting boom assembly for a personal aircraft. The rotor mounting boom assembly includes a rotor mounting boom releasably attachable to a wing of the personal aircraft, one or more vertical lift rotors, and one or more rotor controller assemblies.
Tangential flow machine
April 19, 2018 - N°20180105247

A tangential flow machine can be operated both as electric propulsion and as a generator, having a jacket housing which can have flow passing around it on an outer side, the profile of which is formed on a first front-side opening, and tapers to a second front side, on which a second front-side opening is formed. Between the two front-side ...
Vacuum-pump rotor
Leybold Gmbh
April 12, 2018 - N°20180100510

A vacuum-pump rotor, in particular a vacuum-pump rotor for a turbomolecular pump, having a hub element for connecting to a rotor shaft or for forming a rotor shaft. A plurality of rotor blades are connected to the hub element.
Method and device for determining a position of defects or damage on rotor blades of ...
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
April 12, 2018 - N°20180100489

The invention relates to a method and a device for determining the position of defects or damage on rotor blades (4) of a wind turbine (1) in an installed state, comprising the steps: a. A localisation instrument (5) is guided along the rotor blade (4) and the defect or damage is detected; b.
Rotor blade assembly comprising a ring segment shaped or disc segment shaped blade carrier and ...
Rolls-royce Deutschland Ltd & Co Kg
April 12, 2018 - N°20180100402

A rotor blade assembly group for an engine with at least one blade carrier having at least one rotor blade that is provided with multiple rotor blades along a circle line about a central axis of the rotor blade assembly group, wherein the blade carrier has a carrier section that extends radially inwards in the direction of the central axis ...
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