Fluid reaction surfaces (i.e., impellers) patents - Monitor Patents
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Fluid reaction surfaces (i.e., impellers)

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
09/18/2014 > 52 patent applications in 25 patent subcategories.

20140271184 - Actuation of distributed load management devices on aerodynamic blades: Systems, apparatuses, and methods are provided for actuating less than all of a plurality of load management devices on a wind turbine and/or a wind turbine blade. In some embodiments, the actuation sequences may be a root-to-tip, tip-to root, maximum-distributed-load, random, and/or a cycle-count actuation sequence. Further, a combination of... Agent: Frontier Wind, LLC

20140271186 - Blade balancing: A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics... Agent: Frontier Wind, LLC

20140271179 - Blade safety mechanism for open rotor engine system: A method and apparatus for safely handling an undesired blade event in an open rotor engine system. In one illustrative embodiment, an occurrence of an undesired blade event in an open rotor engine system is detected. Electrical energy is allowed to flow into a conductor embedded in the blade in... Agent: The Boeing Company

20140271185 - Determining loads using various sensor locations: A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics... Agent: Frontier Wind, LLC

20140271187 - Distributed control system: A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics... Agent: Frontier Wind, LLC

20140271178 - Fan blades for gas turbine engines with reduced stress concentration at leading edge: A light weight fan blade for a gas turbine engine is disclosed. The disclosed fan blade has an increased chord length at a transition section between the inner edge or single tooth attachment portion of the fan blade that connects to the rotor disk and the airfoil. Increasing the chord... Agent: United Technologies Corporation

20140271180 - Gimbaled tail rotor hub with spherical elastomeric centrifugal force bearing for blade retention and pitch change articulation: A rotor hub comprises a gimbal assembly and an elastomeric centrifugal force bearing. The gimbal assembly is configured to transfer rotational movement of a mast to the rotor hub and to enable the rotor hub to flap relative to the mast. The elastomeric centrifugal force bearing is configured to withstand... Agent: Bell Helicopter Textron Inc.

20140271189 - Marine drive system and method: An improved marine drive system for a marine vessel includes a longitudinally extending drive shaft assembly, a hydraulic cylinder and piston assembly pivotally attached between the drive shaft assembly and the vessel. The cylinder has a first fluid filled cylinder chamber that retains a coiled spring that urges a translatable... Agent:

20140271188 - Measurement of rotor blade flapping: According to one embodiment, a flapping measurement system may include a position sensor and a controller. The position sensor may be disposed on the flapping plane of a rotor blade and operable to provide position measurements identifying locations of the position sensor during operation of the rotor blade. The controller... Agent: Bell Helicopter Textron Inc.

20140271182 - Soft in-plane and stiff out-of-plane rotor system: A rotor assembly includes a yoke operably associated with a rotor blade. The yoke includes a first device and a second device that attach the rotor blade to the yoke. The first device is configured to allow transverse movement of the rotor blade about a chord axis and rotational movement... Agent: Bell Helicopter Textron Inc.

20140271181 - System and method for reducing loads acting on a wind turbine in response to transient wind conditions: A method for reducing loads acting on a wind turbine in response to transient wind conditions is disclosed. The method may generally include determining an actual value for a blade parameter of a rotor blade of the wind turbine using a first sensor associated with the rotor blade, monitoring a... Agent: General Electric Company

20140271183 - Wind turbine with variable pitch blades: A wind turbine including a blade pitch control ring mounted coaxially with and rotatable with the wind turbine, and an angle control arm connected between the blade pitch control ring and each of the turbine blades for simultaneously changing the pitch of all of the turbine blades.... Agent:

20140271190 - Wind turbine blade having a conductive root bushing: A wind turbine blade is described having a lightning protection system wherein a lightning down conductor is conductively coupled to at least one blade root bushing provided at the root end of the blade. The use of the blade root bushing as part of the conductive path of the lightning... Agent: Lm Wp Patent Holding A/s

20140271192 - Actuation mechanisms for load management devices on aerodynamic blades: Systems, apparatuses, and methods are provided for actuating one or more load management devices on a wind turbine and/or a wind turbine blade. Each actuator may exhibit one or more beneficial qualities including appropriate actuation speed/force characteristics, size and/or weight characteristics, and/or increased reliability and consistent operation in a variety... Agent:

20140271191 - Mounting arrangement for load compensating device: A mounting arrangement for a load compensating device is provided. The mounting arrangement includes a cover sheet connected to a housing via a plurality of protrusions. The cover sheet may form a portion of a surface of an airfoil rotor blade. The housing may include a plurality of clamps extending... Agent: Frontier Wind, LLC

20140271193 - Load distribution estimation: A system and method for pressure based load measurement are provided. The system and method measure at least one pressure differential on an airfoil and determine at least one aerodynamic load associated with the at least one pressure differential. The determined at least one load is used to modify characteristics... Agent: Frontier Wind, LLC

20140271224 - Paddle: A paddle device. First and second paddle assemblies each have a paddle blade extending from a paddle end of a paddle arm so that the paddle structures each have a paddle blade end and a paddle arm end. A hand crankable crank shaft arrangement have a center and first and... Agent:

20140271194 - Vehicle propulsion: A vehicle propulsion system having a mount; a rotation shaft oriented substantially normal to a plane of travel of a vehicle; a fixture coupled to the rotation shaft, the fixture being rotatable about a rotation shaft axis of the rotation shaft; and an oar assembly coupled to the fixture; wherein... Agent:

20140271195 - Boat rowign device: A boat rowing device is disclosed. The device comprises a driving gear secured to a plate. A driven gear is secured with the plate such that to receive rotational movement from the driving gear. A handle is secured with the driving gear to rotate the driving gear. An oar is... Agent:

20140271196 - Apparatus for propelling fluid, especially for propulsion of a floating vehicle: A propeller has a number of blade surfaces or winglets extending helically around its rotational axis in the most streamlined manner. The winglets gradually project at an increasing distance outward with an arcuate shape, each defining a rearwardly concave channel that increases in volume and degree of encirclement rearward on... Agent:

20140271225 - Interior cooling circuits in turbine blades: A rotor blade comprising an airfoil portion and a root portion, and an internal cooling circuit having flow passages in the root portion and the airfoil portion, wherein the internal cooling circuit includes: a first flow passage; and a non-integral plug. The plug may include a plug channel configured to... Agent: General Electric Company

20140271227 - Manufacture of hollow aerofoil: A method of manufacturing a hollow aerofoil component for a gas turbine engine includes using a capping panel to cover a pocket in a pocketed aerofoil body. During manufacture, the outer surface of the capping panel is located relative to the pocketed aerofoil body. This ensures that the outer surface... Agent: Rolls-royce PLC

20140271228 - Turbine blade: A turbine blade has hollowness, and is provided with a back-side wall of which a portion of the inner wall surface is exposed at the rear edge portion, with cooling air flown along the inner wall surface at the exposed region; and a recess provided in the inner wall surface... Agent: The Society Of Japanese Aerospace Companies

20140271229 - Turbine blade: The present invention is a turbine blade (1) having a hollow blade body (2). This turbine blade (1) is provided with: cooling air holes (5) that penetrate the blade body (2) from an internal wall surface (2e) to an external wall surface (2f) thereof, and are provided with a straight... Agent: Ihi Corporation

20140271226 - Turbine blade tip with tip shelf diffuser holes: A turbine blade having a tip including a tip shelf through which pass one or more diffuser cooling holes, the diffuser cooling holes directing the flow of cooling gas along the tip shelf, spreading the flow of cooling gas more evenly along the tip shelf and enhancing the formation of... Agent: General Electric Company

20140271197 - Frequency adapter and return means suitable for being arranged in such a frequency adapter: A frequency adapter for a rotorcraft rotor is provided. The frequency adapter has at least first and second cylinders having respective elongate first and second side walls, respectively. The second cylinder is surrounded at least in part by the first cylinder. Resilient return rings are in contact with the first... Agent: Airbus Helicopters

20140271198 - Wind turbine blades with layered, multi-component spars, and associated systems and methods: Wind turbine blades with layered, multi-component spars, and associated systems and methods are disclosed. A wind turbine blade system in accordance with a particular embodiment includes a first blade segment having a first spar element that includes first planks having a first thickness and a first plank composition, and a... Agent: Vestas Wind Systems A/s

20140271200 - Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping: A flexible joint assembly for providing flexure to a rotor blade comprising an upper hub plate and a lower hub plate configured to secure a rotor blade yoke via a bolted joint located radially outward of a mast; and an upper flexure assembly connected to the upper hub plate and... Agent: Bell Helicopter Textron Inc.

20140271199 - High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes: An apparatus comprising a rotor yoke comprising two longitudinal side portions interconnected by two outboard portions, wherein a center portion of each longitudinal side portion comprises a build-up of material that is configured to accommodate a yoke hub clamp. Included is an apparatus comprising a rotor yoke comprising two longitudinal... Agent: Bell Helicopter Textron Inc.

20140271201 - Jam-tolerant linear control motor for hydraulic actuator valve: According to one embodiment, a linear control motor includes a first permanent magnet, a coil, a first magnetic material, a shaft, and a first non-magnetic material. The first non-magnetic material is disposed between at least one of the movable components and at least one of the static components and operable... Agent: Bell Helicopter Textron Inc.

20140271202 - Assembly for pitch control system: In accordance with example embodiments, an assembly may include a first interfacing member, a second interfacing member, a first bearing between the first interfacing member and the second interfacing member, and a set of rollers between the second interfacing member and a shaft of the first interfacing member. In example... Agent:

20140271203 - Swashplateless active blade pitch control with a mechanical delta-3 restraint having an instantaneous blade pitch-flap coupling response: An apparatus comprising a hub configured to couple to a mast, a grip configured to couple to the hub and a rotor blade, a pitch actuator coupled to the grip and configured to change a pitch of the rotor blade relative to the mast, and a delta-3 restraint coupled to... Agent: Bell Helicopter Textron Inc.

20140271204 - Tiltrotor control system with two rise/fall actuators: A rotor system for rotor aircraft comprises a rotor hub comprising a plurality of rotor blades, a rotatable rotor mast coupled to the rotor hub, a swashplate assembly comprising a non-rotating ring engaged with a rotatable ring, a plurality of pitch links mechanically coupling the rotatable ring to the plurality... Agent: Bell Helicopter Textron Inc.

20140271207 - Fan blade: A rotor blade assembly for a gas turbine engine includes two aerofoil members joined together at their roots by a blade assembly attachment web. The rotor blade assembly is made from a composite material, for example an organic fibre composite material. The blade assembly attachment web is used to attach... Agent: Rolls-royce PLC

20140271205 - Turbine blade pin seal: A gas turbine engine turbine disk assembly includes a turbine disk, turbine blades, and pin seals. Each turbine blade includes a platform with a pressure side seal slot extending into a pressure side of the platform and a suction side seal slot extending into a suction side of the platform.... Agent: Solar Turbines Incorporated

20140271206 - Turbine blade with a pin seal slot: A gas turbine engine turbine disk assembly includes a turbine disk, turbine blades, and pin seals. Each turbine blade includes a platform with a pressure side seal slot extending into a pressure side of the platform and a suction side seal slot extending into a suction side of the platform.... Agent: Solar Turbines Incorporated

20140271208 - Systems and method for a composite blade with fillet transition: A system includes a turbomachine blade segment including an airfoil with an exterior surface, and a platform coupled to the airfoil having a first side and a second side. The system also includes a concave fillet transition extending between the airfoil and the platform. The concave fillet transition includes one... Agent: General Electric Company

20140271210 - Connection system for connecting component sections of wind turbine blades: The present invention relates to a connection system for connecting component sections of wind turbine blades, according to which one or more intermediate parts (2) formed complex structure defining end transverse partitions (2.1) and a central transverse partition (2.2), between which there extend columns (2.3) separated by openings (2.4), is... Agent: Investigaciones Y Desarrollos Eolicos, S.l.

20140271211 - Dropped ceiling fan: Disclosed is a dropped ceiling fan that includes an elongated body with a fan inside the elongated body that move air downward in the elongated body with a plate positioned below the fan with a hole in the airflow of the fan, a peripheral intake that surrounds the plate and... Agent:

20140271209 - Fiber orientation to allow for automated ply placement with composite rotor yokes: An apparatus comprising a soft in plane rotor yoke comprising two longitudinal side portions connected together via two outboard portions, wherein the outboard portions comprise a plurality of first layers formed of a first composite fabric material having a plurality of first fibers oriented in a first direction, and a... Agent: Bell Helicopter Textron Inc.

20140271213 - Airfoil modifiers for wind turbine rotor blades: In one aspect, a rotor blade for a wind turbine is disclosed. The rotor blade may include a body extending between a blade root and a blade tip. The body may define a pressure side and a suction side extending between a leading edge and a trailing edge. In addition,... Agent: General Electric Company

20140271212 - Failsafe system for load compensating device: An apparatus and system for automatically deploying an air deflector of a load compensating device when there is a loss of communication or power is provided. In some examples, the apparatus and system may include a spring configured to rotate a gear, thereby deploying the air deflector. In some arrangements,... Agent: Frontier Wind, LLC

20140271214 - Amorphous metal rotor blade abrasion strip: A rotor blade abrasion strip and method to manufacturing the same. The abrasion strip being composed of a molded amorphous metal contoured to match a leading edge outer surface of the rotor blade. The abrasion strip being configured to removably attach to a leading edge of the rotor blade and... Agent: Bell Helicopter Textron Inc.

20140271216 - Horizontal axis wind or water turbine with forked or multi-blade upper segments: Efficiency of a horizontal axis wind/water turbine (HAWT) is increased by the addition of a secondary blade associated with each main blade. The secondary blade is preferably a blade segment paralleling the main blade only in the outer reach of the main blade. The secondary blade travels rotationally ahead of... Agent:

20140271215 - Systems and methods of constructing composite assemblies: A method of constructing a cured composite assembly includes positioning a composite assembly within a bonding tool, wherein the composite assembly comprises an uncured composite spar and a skin and performing a curing cycle on the composite assembly to simultaneously cure the uncured composite spar and bond the skin to... Agent: Bell Helicopter Textron Inc.

20140271217 - Efficient wind turbine blade design and associated manufacturing methods using rectangular spars and segmented shear web: A wind turbine blade internal structure system is disclosed herein. A representative system includes span wise spar elements, thru thickness web elements, and an aerodynamic shell. In particular embodiments, the spars may be constructed of pre-cured planks and either adhesively bonded together or assembled using layers of laminates between planks.... Agent: Modular Wind Energy, Inc.

20140271218 - Low conductivity thermal barrier coating: A ceramic composition of matter includes a solvent material and a solute material. The solvent material comprises zirconia or hafnia, or a mixture thereof, which is stabilized with a stabilizing oxide. The solute material comprises a metal oxide of the formula, XaOb, where X is a metallic element, O is... Agent: Honeywell International Inc.

20140271220 - Erosion resistant coating: A platinum plus chromium coating applied to the roots and firtrees of turbine blades where the inclusion of chromium creates a single phase outer zone which minimises diffusion paths for sulphur which can preferentially diffuse down phase boundaries and enables a chromium rich outer oxide scale to form on top... Agent: Rolls-royce PLC

20140271219 - Molten metal rotor with hardened top: Embodiments of the invention are directed to a rotor for a molten metal pump and a molten metal pump including the rotor. The rotor has a main body and a top comprised of a material that is at least twice as hard as the main body. The top, among other... Agent:

20140271221 - Usage of a witness mark to distinguish support structure from part: A component includes a support structure made with an additive manufacturing process with a first end and a second end, and an object made with an additive manufacturing process with a first end and a second end, where the first end of the object is attached to the second end... Agent: United Technologies Corporation

20140271222 - Composite rotor system using two race track style cantilevered yokes: A hub system comprises at least one yoke, at least one shear bearing, and at least one mast adapter. The at least one mast adapter is configured to support the at least one yoke and the at least one shear bearing, and the at least one yoke has a flapping... Agent:

20140271223 - Spinner fairing assembly: An apparatus comprising a spinner fairing assembly comprising a spinner configured to be fixed relative to a gimbaled yoke coupled to a mast system, and a spinner base configured to be fixed relative to the mast system. A spinner fairing assembly comprising a spinner aligned along a first axis, and... Agent: Bell Helicopter Textron Inc.

  
09/11/2014 > 50 patent applications in 14 patent subcategories.

20140255187 - Attachment feature of a gas turbine engine blade having a curved profile: An airfoil member is disclosed having an attachment feature such as a fir tree or dovetail design that includes a curved profile formed from a combination of curves. In one embodiment, the curved profile can be a compound curve formed by a forward curve and a rearward curve that are... Agent:

20140255188 - Gas turbine engine airflow member having spherical end: A gas turbine engine airflow member is disclosed having spherical interface shapes at a tip end and a hub end. In one embodiment, the airflow member is a fan blade. The spherical interface shapes can be convex or concave. In one form, the tip end spherical shape is axially shifted... Agent:

20140255189 - Inflatable airfoil system having reduced radar and infrared observability: A method and apparatus for operating an airfoil system. A gas may be generated. The gas may be sent into an inflatable airfoil system comprising an inflatable air foil and a section. The inflatable airfoil may have an inner end and an outer end in which the inflatable airfoil may... Agent: The Boeing Company

20140255185 - Methods and systems for alleviating loads in off-shore wind turbines: the pitch vector resulting from a control law, obtained from historic records of the wind turbine when the load measuring system worked properly, defining the pitch vector as a function of at least the wind speed V, if the former pitch vectors are not available.... Agent:

20140255186 - System and method for re-indexing a pitch bearing of a wind turbine: A method and system for re-indexing a pitch bearing of a wind turbine includes: installing a plurality of first mounts to the fixed outer race of the pitch bearing; positioning the rotor blade to a downwardly-oriented; installing a hydraulic system; pressurizing the hydraulic system so as to support the weight... Agent: General Electric Company

20140255184 - System and method for reducing rotor blade noise: A rotor blade includes an active flap and an airflow disturber configured to selectively alter airflow across the active flap.... Agent: Bell Helicopter Textron Inc.

20140255190 - Wind turbine system constructive arrangement: This patent refers to a system constructed by the wind turbine (1), placing two protectors; the first protector is placed on the opposite side of the wind direction to externally protect the wind turbine (1), called fixed protector (2), to divert the wind in the opposite rotary direction of wind... Agent:

20140255205 - Reduced drag system for windmills, fans, propellers, airfoils and hydrofoils: Airfoil and hydrofoils systems with structures having a surface texture defined by fractal geometries are described. Raised portions or fractal bumps can be included on the surfaces, forming a surface texture. The surface textures can be defined by two-dimensional fractal shapes, partial two-dimensional fractal shapes, non-contiguous fractal shapes, three-dimensional fractal... Agent:

20140255206 - Turbine blade cooling channel formation: Embodiments of the invention relate generally to turbine blades and, more particularly, to the formation of cooling channels on a surface of a turbine blade and turbine blades including such cooling channels. In one embodiment, the invention provides a method of forming a cooling channel along a surface of a... Agent: General Electric Company

20140255208 - Gas turbine blade: The gas turbine blade includes a cooling channel formed therein, and a partition disposed on its tip side for isolating the cooling channel from the outside. The partition is integrally formed with a blade portion in a position on its inner side in the radial direction with respect to the... Agent: Hitachi, Ltd.

20140255207 - Turbine rotor blades having mid-span shrouds: A rotor blade for use in a turbine of a combustion turbine engine is described. The rotor blade may include an airfoil that extends from a connection with a root. The rotor blade may further include a mid-span shroud configured to engage a corresponding mid-span shroud on at least one... Agent: General Electric Company

20140255191 - Low shear modulus transition shim for elastomeric bearing bonding in torsional applications: A bearing assembly comprises a bearing, a shim disposed within the bearing, and a component disposed within the shim. The shim comprises a first material, the component comprises a second material, and the first material has an elastic modulus value that is lower than an elastic modulus value of the... Agent: Bell Helicopter Textron Inc.

20140255192 - Turbine rotor for a thermoelectric power station: Low-pressure turbine rotors for a thermoelectric power station include an interconnection of slender blades. The rotor includes blades bearing caps being roughly in the shape of a chevron.... Agent:

20140255193 - Centrifugal rotor: A centrifugal rotor includes a rotor body, a diluent container, a piercing structure and a capping film. The rotor body has a receiving cavity. The diluent container is located within the receiving cavity and has a seal film. The piercing structure is located within the receiving cavity and in contact... Agent: Protectlife International Biomedical Inc.

20140255195 - Bucket connection for a turbine runner: A bucket connection for a turbine runner (1) where the turbine runner (1) includes a number of buckets (4) encircling a centre disk (2), where at least one bucket (4) is pivotably or hingedly connected to the centre disk (2), and where the position of the bucket (4) relatively the... Agent: Dynavec As

20140255194 - Tip shrouds of turbine rotor blades and methods of manufacture related thereto: A rotor blade for use in a turbine of a turbine engine is described. The rotor blade may include an airfoil that extends from a connection with a root. The airfoil may include a pressure sidewall and a suction sidewall that define an outer periphery and an outboard tip. The... Agent: General Electric Company

20140255196 - Double split blade lock ring: A rotor assembly for a gas turbine engine includes a plurality of blades including a root portion and an airfoil portion. The rotor includes a plurality of slots that receive the root portion of a corresponding blade. The rotor includes an annular groove for a first and second retaining ring.... Agent: United Technologies Corporation

20140255197 - Rotor blades for gas turbine engines: A rotor dual-blade for a gas turbine engine that has a first blade component extending radially between a root and a tip and a second blade component, separate from the first component, extending radially between a root and a tip, wherein the second blade component is downstream, in series, of... Agent: Pratt & Whitney Canada Corp.

20140255198 - Turbine disk fabrication with in situ material property variation: A method of fabricating a functionally graded turbine engine component is disclosed and includes the step of depositing layers of powder onto a base and solidifying/fusing each layer with a first directed energy beam to define a component. The method further includes varying a process parameter between deposited layers to... Agent: United Technologies Corporation

20140255200 - Film cooling of turbine blades or vanes: The present invention relates to a turbine assembly having an aerofoil and/or an end wall each having an outer surface with a structure for directing a flow of a cooling medium at the outer surface. The structure at the outer surface has at least a first groove and a second... Agent: Siemens Aktiengesellschaft

20140255199 - Rotator: A rotator may be configured to be accommodated in a casing of a pump for sucking a fluid into the casing and discharging the fluid outside of the casing. The rotator may comprise an insert portion configured to insert a rotating shaft and one or more communicating openings. The one... Agent: Aisan Kogyo Kabushiki Kaisha

20140255201 - Removable rotor blade tip: A rotor blade has a spanwise axis, a root comprising an anchor having an anchor surface configured to form at least one of a normal angle relative to the spanwise axis and an acute angle relative to the spanwise axis, and a selectively removable tip comprising a connector having a... Agent: Bell Helicopter Textron Inc.

20140255204 - Aerodynamic fairings secondarily attached to nosecone: An aerodynamic fan nosecone for a gas turbine engine is provided and includes a fan nosecone that may be made of composite material. To improve airflow transition to the blade members, aerodynamic fairings are provided and are secured to an exterior surface of the nosecone which enhances fuel economy. The... Agent: Rolls-royce Corporation

20140255203 - Hybrid spinner support: A hybrid support ring comprises a suspender and a belt, the suspender defined by a flange and a leg rearwardly extending having a lug, the suspender also extending circumferentially, the suspender formed of a first material, the belt extending circumferentially and disposed in the lug, the belt being formed of... Agent: General Electric Company

20140255202 - Turbine engine nosecone with deformation region: An assembly for a turbine engine including a nosecone that extends along an axis between a tip end and a second end. The nosecone includes a base region and a deformation region configured integral with the base region. The base region is arranged axially between the deformation region and the... Agent: United Technologies Corporation

  
09/04/2014 > 12 patent applications in 9 patent subcategories.

20140248150 - Constant velocity joint with spring rate control mechanism: According to one embodiment, a constant velocity (CV) joint includes a first yoke, a second yoke, and three bearings. The first yoke is configured to be rotatably coupled to an input device about a first axis and configured to receive the input device through a first opening. The second yoke... Agent: Bell Helicopter Textron Inc.

20140248149 - Rotor/wing aircraft including vectorable nozzle: A method of operating an aircraft having a rotor/wing assembly and a nozzle comprises vectoring the nozzle into a position for creating vertical thrust, and using the rotor/wing assembly and the nozzle together to create vertical thrust during a rotary mode of operation.... Agent: The Boeing Company

20140248147 - Systems and methods for converting wind from an aircraft into electrical power: A system for generating energy from wind induced by an aircraft is provided. The system includes one or more wind turbines configured to generate electrical power by capturing wind induced by the aircraft. Each of the one or more wind turbines include a rotor mounted for rotation about an axis,... Agent: The Boeing Company

20140248148 - Wind turbine noise control methods: A wind turbine having at least one trailing edge control surface (10) on at least one rotor blade (5) is operated in a first mode, in which a rotor blade angle of attack and a trailing edge control surface deflection are set according to one or more wind turbine control... Agent: Vestas Wind Systems A/s

20140248151 - Floating water wave energy collecting and transducing system: Provided is a floating water wave energy collection and conversion system, which comprises at least two buoyant members (101, 102) floating on the surface of the water and connected movably with each other in series, wherein the movable connection can be a hinged connection. A power transmission device and an... Agent: Shenzhen Romer Environmental Engineering Co., Ltd.

20140248158 - Marine propeller with adjustable exhaust means: A marine propeller having multiple adjustable exhaust structures is disclosed. Each adjustable exhaust structure includes an exhaust hole unit with exhaust through holes cut through the outer surface and inner surface of the propeller hub of the marine propeller, an adjustment member with shielding portions mounted in the exhaust hole... Agent: Sola Science & Engineering Co., Ltd.

20140248152 - Plate for directing flow and film cooling of components: An assembly includes a gas turbine engine component and a plate. The plate is spaced from a surface of the component and generally conforms to the shape of the surface. The plate and component form a passageway that allows for passage of a secondary gas flow between the component and... Agent: United Technologies Corporation

20140248153 - Propulsion device for ship and ship having the same: Disclosed are a propulsion device for a ship and a ship having same. The propulsion device, according to an embodiment of the present invention, comprises: a rear propeller fixed to a first driveshaft; a front propeller positioned in front of the rear propeller and supported rotably on the first driveshaft;... Agent:

20140248154 - Blade of a row of rotor blades or stator blades for use in a turbomachine: The present invention relates to a blade of a row of rotor blades or stator blades for use in a turbomachine, with the blade being designed with a substantially convex suction side and a substantially concave pressure side as well as with a leading edge, onto which the flow passes,... Agent:

20140248155 - One-block bladed disk provided with blades with adapted foot profile: A one-block bladed disk includes blades, a leading edges of which has sweep and dihedral angles, both strongly variable and increasingly large upon approaching a connection to a hub to improve mechanical strength of the whole and obtain good distribution of gas flow over the height of the blade.... Agent: Snecma

20140248156 - Composite articles and methods: An article comprises: a substrate having a matrix and a plurality of metallic members partially embedded in the matrix; and a metallic layer bonded to exposed portions of the metallic members.... Agent: United Technologies Corporation

20140248157 - Blade or vane of differing roughness and production process: A blade or vane of different roughness and a process for producing such a blade or vane are presented. The performance of the blade or vane of a compressor or of a turbine can be improved because of the different configuration of the roughness of the surfaces on the suction... Agent:

  
08/28/2014 > 24 patent applications in 20 patent subcategories.

20140241879 - Method and apparatus for braking a wind turbine in case of emergency: The invention is based on the problem of creating an additional device to act as a “secondary emergency device” in the case that one or more standard emergency devices fail to adjust the blade angle of one or multiple rotor blades into a position of power limitation. The method of... Agent:

20140241880 - Method for retrofitting vortex generators on a wind turbine blade: A method of retrofitting vortex generators on a wind turbine blade is disclosed, the wind turbine blade being mounted on a wind turbine hub and extending in a longitudinal direction and having a tip end and a root end, the wind turbine blade further comprising a profiled contour including a... Agent: Lm Wp Patent Holding A/s

20140241878 - System and method for controlling a wind turbine based on identified surface conditions of the rotor blades: In one aspect, a method for controlling a wind turbine based on an identified surface condition of a rotor blade may include monitoring an operating parameter of the wind turbine to obtain parameter data related to the operating parameter as an operating input of the wind turbine changes, analyzing the... Agent: General Electric Company

20140241881 - Combined ceiling fan and light fitting: There is provided a combined ceiling fan and light fitting (10) having blades (1-4) that when the ceiling fan is not in use retract and are stowed above an enclosure (12) containing a light emitting device and that when the fan is in use are extended under centrifugal force. The... Agent: Beacon Lighting International Limited

20140241882 - Systems for minimizing yaw torque needed to control power output in two-bladed, teetering hinge wind turbines that control power output by yawing: Systems and methods for increasing operational efficiency of wind turbines, especially offshore wind turbines. The invention discloses systems and methods for reducing the torque needed to rotate a rotor shaft axis with respect to the wind direction. Systems and methods for controlling the rotational speed of the rotor shaft axis... Agent: Condor Wind Energy Limited

20140241883 - Gas turbine engine component: Embodiments are disclosed of a turbomachinery component having an outer part that is captured between a cap and a base of the component. In one form, the outer part is placed in compression between the cap and the base. The outer part can be formed prior to being placed between... Agent:

20140241885 - Partly cruciform flexbeam and method of manufacturing such a flexbeam: A partly cruciform flexbeam (1) of a bearingless main rotor system of a helicopter with a hub drive and an airfoil blade. The partly cruciform flexbeam (1) comprises a flexbeam head (2) with a flat bearing laminate at one end, a root end (3) opposed to said flexbeam head (2)... Agent: Airbus Helicopters Deutschland Gmbh

20140241884 - Rotary wing aircraft pitch beam attachment with anti-rotation plate design: A retaining assembly for a tail rotor system is provided including a washer having a plurality of splines. The washer is configured to couple to an adjacent pitch change shaft. A retaining nut includes a self-locking feature and a flange arranged at a first end. The retaining nut is configured... Agent: Sikorsky Aircraft Corporation

20140241886 - Rotor system shear bearing: A shear bearing for a rotor system has a four bar linkage and a grip configured to retain a flexural yoke and the grip is connected between a first set of opposing links of the four bar linkage. A rotor system has a flexural yoke and a shear bearing configured... Agent: Bell Helicopter Textron Inc.

20140241887 - Hydrodynamic axial bearing: A hydrodynamic axial bearing for mounting a shaft which is mounted rotatably in a bearing housing, including an axial stop of the bearing housing and a bearing comb which rotates with the shaft. A lubricating gap, which is loaded with lubricating oil and is delimited by a profiled circular ring... Agent: Abb Turbo Systems Ag

20140241888 - Pumps and components therefor: A pump side part for use with a shrouded pump impeller, comprising a side wall section rear face including an outer region with an outer edge in a plane which is substantially at right angles to the rotation axis, an inner region with an inner edge and an intermediate region... Agent: Weir Minerals Australia, Ltd.

20140241889 - Wind turbine rotor with improved hub system: A wind turbine rotor comprises: • a number of blades (5) which are rotatably mounted about an axis of rotation; • a number of blade supports (12), each blade support supporting a respective blade (5) and each blade support having a pair of legs (14) which are spaced apart along... Agent:

20140241890 - Gas turbine engine blade and disk: In some examples, an apparatus may include a gas turbine engine component comprising a blade, a platform forming an airflow surface from which the blade extends on one side, and a motion weld receiving surface disposed on a non-airflow side of the platform, and a disk having a motion weld... Agent: Rolls-royce Corporation

20140241891 - Turbomachine blade and relative production method: A turbomachine blade having a metal coupling root, and a metal airfoil-shaped oblong member cantilevered from the coupling root; the airfoil-shaped oblong member being divided into: a lower connecting fin cantilevered from and formed in one piece with the coupling root; an upper connecting fin cantilevered from a coupling head... Agent:

20140241892 - Turbomachine blade and relative production method: A turbomachine blade of the type having a metal lower coupling root, a metal upper coupling head, and a metal airfoil-shaped oblong member designed to connect the coupling root rigidly to the coupling head; the airfoil-shaped oblong member having a substantially airfoil-shaped main plate-like element connected to the coupling root... Agent:

20140241893 - System for specifying an installation position of rotor blades, securing element, rotor blade, turbomachine, and method: A system for specifying an installation position of adjacent rotor blades of a blade row of a turbomachine is disclosed. The system has a plurality of axial securing elements, which have at least two sections with different profile areas for the arrangement in each case between a groove base of... Agent:

20140241894 - Fan assembly and fan wheel assemblies: Fan assemblies, and in particular fan wheels and stator assemblies for fan assemblies, are disclosed. In one embodiment, the fan wheel includes a wheel back having an outer surface forming one of a curved dome-shape and a truncated cone-shape. The fan wheel may also include a plurality of fan blades... Agent: Greenheck Fan Corporation

20140241895 - Fluid turbine blade and method of providing the same: A fluid turbine blade and method of fabrication are provided. The fluid turbine blade includes a centrally disposed longitudinal spar having a substantially circumferential cross section. The fluid turbine blade also includes at least one chord stiffener coupled to the longitudinal spar. The fluid turbine blade further includes a torsionally... Agent: General Electric Company

20140241896 - A wind turbine blade: The wind turbine blade (1) includes a structure made of a fibre reinforced polymer material including a polymer matrix and fibre reinforcement material embedded in the polymer matrix. The fibre reinforcement material includes carbon fibres that have been produced by carbonisation of a precursor to a carbonisation degree of 60%... Agent: Lm Wp Patent Holding A/s

20140241897 - Aluminum brazing of hollow titanium fan blades: A fan blade includes first and second titanium portions that are secured to one another with an aluminum alloy braze. A method of manufacturing a fan blade includes providing first and second titanium portions, applying an aluminum alloy braze to at least one of the first and second titanium portions,... Agent: United Technologies Corporation

20140241898 - Autogenously welded impeller of a torque converter: A torque converter impeller is provided. The torque converter impeller includes an impeller shell and an impeller hub. The impeller shell and impeller hub are autogenously welded together such that the weld has a concave shape. A method of forming a torque converter impeller is also provided.... Agent: Schaeffler Technologies Gmbh & Co. Kg

20140241899 - Blade leading edge tip rib: A rotor blade for a gas turbine engine includes a leading edge tip rib projecting outwardly from an airfoil of the blade at a tip region thereof. The tip rib continuously surrounds a leading edge of the airfoil and extends rearwardly from the leading edge along respective pressure and suction... Agent: Pratt & Whitney Canada Corp.

20140241900 - Methods for repairing a turbine airfoil constructed from cmc material: Methods for repairing a turbine airfoil constructed from a CMC material are provided via filling a cavity located in the turbine airfoil with a ceramic paste (e.g., including a ceramic powder and a binder), heating the ceramic paste in the cavity to remove the binder, thereby forming a porous ceramic... Agent: General Electric Company

20140241901 - Impeller: An impeller for increasing the pressure of a fluid circulating in an annular fluid path, the impeller comprising: a plurality of centrifugal compressor vanes circumferentially interspaced around the axis of the annular fluid path, the plurality of compressor vanes extending from an axially-oriented inlet to a radially-oriented outlet, and each... Agent: Pratt & Whitney Canada Corp.

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