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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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Active airflow system and method of reducing drag for aircraft
Sikorsky Aircraft Corporation
August 10, 2017 - N°20170225772

A rotary wing aircraft includes a fuselage having a plurality of surfaces. At least one engine is mounted in the fuselage. A rotor assembly includes a rotor shaft a plurality of rotor blades operatively connected to the rotor shaft. The rotor assembly includes a plurality of surface portions. An active air discharge opening extends through one of the plurality of ...
Plate member for reducing drag on a fairing of an aircraft
Sikorsky Aircraft Corporation
August 10, 2017 - N°20170225771

A rotary wing aircraft includes a fuselage having a plurality of surfaces, at least one engine mounted in the fuselage, and a rotor assembly including a rotor shaft and plurality of rotor blades operatively connected to the rotor shaft. The rotor assembly includes a plurality of surface portions. A rotor shaft fairing extends between the fuselage and the rotor assembly ...
System and method for improving lidar sensor signal availability on a wind turbine
General Electric Company
August 03, 2017 - N°20170219697

The present subject matter is directed to a system and method for sequencing light detecting and ranging (lidar) sensor beam signals from a lidar sensor mounted on a nacelle of a wind turbine with the rotor position of the wind turbine so as to improve signal availability. More specifically, the method includes generating, via the lidar sensor, one or more ...
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.
System and method for cooling a fluidized catalytic cracking expander
Dresser-rand Company
August 03, 2017 - N°20170218770

Systems and methods for cooling a rotor assembly disposed within a cavity of an expander fluidly coupled with a cooling source are provided. The system may include an annular body disposed on a rotor disc of the rotor assembly. The rotor disc may also include a plurality of rotor blades mounted thereto via respective roots. The annular body may define ...
Self-tightening rotor
Sz Dji Technology Co., Ltd.
August 03, 2017 - N°20170217578

Systems, methods, and devices for propelling self-propelled movable objects are provided. In one aspect, a rotor assembly for a self-propelled movable object comprises: a hub comprising a first fastening feature; a drive shaft comprising a second fastening feature and directly coupled to the hub by a mating connection of the first and second fastening features, wherein the drive shaft is ...
Flex beam for rotor assembly
Sikorsky Aircraft Corporation
August 03, 2017 - N°20170217564

A rotor assembly for a rotary wing aircraft includes a rotor hub having a central axis. The rotor hub is rotatable about the central axis. A plurality of flexible structural members extend radially outwardly from the rotor hub. Each flexible structural member is substantially u-shaped having a first arm extending from the hub, a second arm extending from the hub, ...
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.
Gas turbine engine blade casing
Pratt & Whitney Canada Corp.
July 20, 2017 - N°20170204876

A gas turbine engine is described having a rotor with a plurality of rotor blades each extending radially between a blade root to a blade tip and axially between a leading edge and a trailing edge. An annular casing body housing the rotor blades includes an abradable segment of the inner surface facing the blade tips and having an abradable ...
Rotor blades having structural skin insert and methods of making same
General Electric Company
July 20, 2017 - N°20170204833

The present disclosure is directed to a method of manufacturing a rotor blade for a wind turbine. The method includes providing a blade mold of the rotor blade. Another step includes placing an outer skin layer in the blade mold. The method also includes placing one or more structural inserts in the blade mold atop the outer skin layer as ...
Turbine rotor blade row, turbine stage, and axial-flow turbine
Mitsubishi Heavy Industries, Ltd.
July 20, 2017 - N°20170204728

A turbine rotor blade row includes: a plurality of turbine rotor blades disposed along a circumferential direction of a hub. An inter-blade flow channel has a first cross-sectional shape perpendicular to a radial direction of the hub at a first position in the radial direction, and a second cross-sectional shape perpendicular to the radial direction of the hub at a ...
Apparatus for shortening the rotor blades of a turbomachine
Siemens Aktiengesellschaft
July 20, 2017 - N°20170203404

A belt grinding apparatus for grinding the tips of rotor blades supported on a rotating rotor. A casing contains the rotatable rotor. An opening in the casing permits access of a grinding belt into the casing where the belt grinds the tips of the blades rotating past. The belt grinding apparatus being attached at the opening at a parting line ...
Centrifugal compressor assembly for use in a turbine engine and method of assembly
General Electric Company
July 13, 2017 - N°20170198709

A centrifugal compressor assembly for use in a turbine engine is provided. The assembly includes an impeller that includes a plurality of rotor blades. The assembly also includes a stationary assembly circumscribing the impeller such that a clearance is defined therebetween. The stationary assembly includes at least one articulating seal member positioned adjacent the plurality of rotor blades, and a ...
Systems and methods for a compressor diffusion slot
General Electric Company
July 06, 2017 - N°20170191484

A compressor for a gas turbine engine includes a stator and a rotor. The stator includes first and second stator vanes attached to first and second vane platforms, respectively. The rotor includes a plurality of rotor blades that rotate with respect to the stator. An inner stator casing supports the first and second vane platforms and encloses the stator and ...
Rotation of disengaged rotor
Sikorsky Aircraft Corporation
July 06, 2017 - N°20170190417

Embodiments of the invention include a vehicle including an engine and a rotor including a plurality of rotor blades in a path of exhaust from the engine. The vehicle includes a rotor control assembly configured to connect the rotor to a rotation force source to rotate the rotor and configured to rotate the rotor at a prescribed minimum rotation rate ...
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.
Shrouded turbine rotor blades
General Electric Company
June 29, 2017 - N°20170183974

A rotor blade for a gas turbine that is configured for use within a row of samely configured rotor blades attached to and circumferentially spaced about a rotor disc. The rotor blade may further include: an airfoil defined between pressure and suction faces; and a midspan shroud comprising a pressure wing and a suction wing extending from the airfoil. The ...
Shrouded turbine rotor blades
General Electric Company
June 29, 2017 - N°20170183973

A rotor blade for a gas turbine configured for use within a row of samely configured rotor blades. The rotor blade may include an airfoil defined between pressure and suction faces and a midspan shroud. The midspan shroud may include pressure and suction wings. The pressure wing and suction wing of the midspan shroud may be configured so to cooperatively ...
Midspan shrouded turbine rotor blades
General Electric Company
June 29, 2017 - N°20170183972

A rotor blade for a gas turbine configured for use within a row of samely configured rotor blades. The rotor blade may further include: an airfoil defined between pressure and suction faces; and a midspan shroud comprising a pressure wing and a suction wing extending from the airfoil. The pressure wing and the suction wing of the midspan shroud may ...
Tip shrouded turbine rotor blades
General Electric Company
June 29, 2017 - N°20170183971

A rotor blade for a gas turbine that includes an airfoil and a tip shroud. The tip shroud may have a seal rail that projects radially from an outboard surface and extends circumferentially. The tip shroud may further include: a rotationally leading circumferential face; a rotationally trailing circumferential face; and an outboard face of the seal rail. The tip shroud ...
Rotor blade system
Agustawestland Limited
June 29, 2017 - N°20170183089

A rotor blade system having a plurality of rotor blades, wherein at least one of the rotor blades includes an outer surface having generally opposing first and second surfaces, the rotor blade including a fluid flow altering surface positioned relative to one of the first or second surfaces which is moveable between first and second positions, wherein movement of the ...
System and method for inspecting turbine blades
General Electric Company
June 22, 2017 - N°20170176342

A system for inspecting surfaces of rotor blades for a surface characteristic. The system may include an assembly having a movable arm and, mounted on the movable arm, a scanner. A row of rotor blades may be positioned near the assembly for inspection. The row of rotor blades may include a plurality of the rotor blades circumferentially spaced about a ...
Interior cooling configurations in turbine rotor blades
General Electric Company
June 22, 2017 - N°20170175536

A turbine rotor blade that includes an airfoil defined between a concave pressure face and a laterally opposed convex suction face, and a cooling configuration that includes a cooling channel for receiving and directing a coolant through an interior of the rotor blade. The cooling channel may include fluidly connected segments, in which: a supply segment extends radially through the ...
Interior cooling configurations in turbine rotor blades
General Electric Company
June 22, 2017 - N°20170175535

A turbine rotor blade that includes: an airfoil defined between a pressure face and a suction face; a tip shroud that includes a seal rail projecting from an outboard surface and, formed thereon, a cutter tooth; and a cooling configuration that includes a cooling channel for receiving and directing a coolant through an interior of the rotor blade. The cooling ...
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