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8182213 |
Vane assembly with removable vanes
A vane assembly for a gas turbine engine where each vane is connected to at least one adjacent portion of at least one of the inner and the outer shrouds through a melt-weld connection. The...
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8182232 |
Wind generator blade with divergent trailing edge
A wind turbine blade having an aerodynamic profile (5) with a leading edge (11), a trailing edge (13) and suction and pressure sides (17, 19) between the leading edge (11) and the trailing edge...
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8182231 |
Wind turbine with slender blade
Wind turbine with a rotor blade relatively insensitive to turbulence because it is more slender than prior blades and is nevertheless able to generate sufficient lift by virtue of the fact that...
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8177499 |
Turbine blade cascade end wall
In the turbine blades set to a large outflow angle, the performance of the entire turbine is improved by reducing a cross flow generated on the turbine end wall and a whirling up of flow on the...
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8172539 |
Wind turbine rotor blade joint
A blade joint for joining a first blade segment and a second blade segment, each having an aerodynamic profile, in a rotor blade is disclosed. The blade joint includes a first joint segment and a...
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8172540 |
Airfoil for a helicopter rotor blade
An airfoil family for a helicopter rotor blade, designated SC362XX. SC362XX essentially removes the large lower surface suction peak associated with ‘drag creep’ at moderate lift coefficients whi...
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8171632 |
Method of manufacturing integrally designed rotor wheels to exhibit an essentially identical natural frequency and mass using chemical etch machining
In the manufacture of integrally designed rotor wheels (BLISKs), the natural frequency of each blade is measured after forming by conventional shaping methods and the respective blade mass and its...
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8171633 |
Method for assembling a multi-segment wind turbine blade
A multi segment wind turbine blade comprises at least two blade segments. A first blade segment comprises an outer skin, a bulkhead, and first alignment brackets removably coupled to the outer skin...
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8167567 |
Gas turbine engine airfoil
A rotor blade for a gas turbine engine includes an airfoil that extends in span between a root and a tip region. A leading edge and a trailing edge of the airfoil section extend between a chord...
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8162617 |
Turbine blade with spar and shell
A turbine blade with a spar and shell construction in which the spar and the shell are both secured within two platform halves. The spar and the shell each include outward extending ledges on the...
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8157518 |
Low camber microfan
A cooling fan comprises an impeller which includes a plurality of radially extending blades, each of which includes a blade hub, a blade tip and a blade midspan approximately midway between the hub...
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8157529 |
Blade structure of torque converter and method for producing blade structure of torque converter
A blade structure of a torque converter, having a plurality of blades, is produced according to processes. The processes has (a) stamping a plane plate into a first shape, the first shape has (i)...
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8152472 |
Blade structure for heat sink fans
A fan blade for heat sink fans is provided. The fan blade includes a wheel hub and a plurality of blades which is disposed around the rim of the wheel hub. The surfaces of the blade fans are...
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8152474 |
Cooling fan impeller
An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of...
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8152495 |
Peripheral discharge tube axial fan
A mixed flow fan assembly includes an electric motor, an impeller having a hub enclosing the motor, and a plurality of fan blades spaced circumferentially around the hub. The fan assembly also...
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8147188 |
Air cooled bucket for a turbine
A bucket for a turbine is described. The bucket includes a dovetail portion configured to couple the bucket to a turbine wheel, the dovetail portion having a lower surface. The bucket also includes...
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8147197 |
Turbine blade platform
A turbine blade assembly is provided. The turbine blade assembly comprises a turbine blade comprising a cavity, and a blade platform supporting the turbine blade, the cavity extending into the...
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8147207 |
Compressor blade having a ratio of leading edge sweep to leading edge dihedral in a range of 1:1 to 3:1 along the radially outer portion
An airfoil for use as rotor blades in compressors for turbomachines, such as gas turbine engines. The airfoil includes increased forward sweep and forward dihedral effective to reduce losses...
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8142162 |
Wind turbine blade
An aerodynamic profile and a wind turbine comprising a wind turbine blade with reduced sensitivity towards surface irregularities are provided. The invention is mainly directed towards...
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8137070 |
Skewed axial fan assembly
A free-tipped axial fan assembly has a skew distribution which reduces fan noise while minimizing radial tip deflection. The difference between the maximum value of leading-edge skew and the value...
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8133023 |
Wind turbine with variable area propeller blades
An apparatus and method for reducing wind turbine damage includes a propeller having a plurality of blades projecting radially from a hub. The blades may be adjustably combined to form variable...
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8133028 |
Cooling fan structure
A cooling fan structure includes a driving device having a rotatable section disposed therein for providing a rotatable effect. The rotatable section has a first end longitudinally extending to a...
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8128367 |
Rotor blade for a bearingless rotor of a rotorcraft
A rotor blade for a bearingless rotor of a rotorcraft includes a flapwise-flexible and lead-lag-flexible rotor blade attachment region, an inner rotor blade segment, and an outer rotor blade...
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8128375 |
Turbomachine blade that is cast with a local fattening of the section of the airfoil
The monocrystalline turbomachine blade according to the invention that is cast and directionally solidified, is disclosed. The blade includes an airfoil with a leading edge, a pressure face, a...
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8128370 |
Blade structure for torque converter and process of producing the same
A blade structure for a torque converter is produced as follows. A flat sheet is stamped into a shape including: a holding section; an inner connecting section located around the holding section,...
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8128359 |
Air fan module and a flow directing blade assembly thereof
An air fan module and a flow directing blade assembly thereof aim to reduce noises generated during operation of the air fan caused by friction between blades and air and improve cooling...
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8118556 |
Compressor wheel for a turbocharger system
A turbocharger system for an internal combustion engine includes at least one compressor wheel. The at least one compressor wheel of a single stage or multiple stage turbocharger system is formed,...
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8118558 |
Runner vane for axial-flow hydraulic machinery
A camber line in a radial section of a runner vane has a curved part extending near the tip of the runner vane is convex toward the front surface of the runner vane. The runner vane is formed in a...
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8118561 |
Erosion- and impact-resistant coatings
Erosion- and impact-resistant ceramic coatings suitable for protecting surfaces subjected to collisions with particles, including nominally round particles that typically inflict impact damage and...
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8118555 |
Fluid-flow machine and rotor blade thereof
A fluid-flow machine, especially for an aircraft engine, includes a rotor having rotor blades 3. The rotor blades 3 include, on a suction side 9, at least two zones of different surface finish,...
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8113786 |
Stator vane profile optimization
An airfoil for a stator vane having an uncoated profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I is provided. The profile is carried only to...
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8115329 |
Water turbine with bi-symmetric airfoil
Known underwater turbine units suffer from problems, e.g. an ability to operate in ebb and/or flow tides. Accordingly, the invention provides aerofoil (5), wherein the aerofoil (5) is symmetrical...
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8109734 |
Article formed from a composite material
An article such as a fan blade of a turbofan engine comprises a core made up of components at least some of which comprise packs of rods embedded in a resin matrix material. The rods extend in the...
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8109732 |
Horizontal-axis wind generator
The invention relates to a wind generator for generating power thanks to the force of the wind or a stream of water. The invention includes a rotor provided with 2, 3 or 4 semi-frustoconical...
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8105043 |
HP turbine blade airfoil profile
A two-stage high pressure turbine includes a second stage blade having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values...
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8105042 |
Intermediate-manufactured composite airfoil and methods for manufacturing
An intermediate-manufactured composite airfoil includes first and second composite skins each having a plurality of fibers in a polymer matrix. A composite core is removably located between the...
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8105044 |
Compressor turbine blade airfoil profile
A compressor turbine includes a series of compressor turbine blades each having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian...
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8100661 |
Wind turbine rotor blade and wind turbine rotor
A wind turbine rotor blade is provided which includes a root end and a tip end located opposite the root end. A leading edge extends from the root end to the tip end. A trailing edge extends from...
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8100657 |
Steam turbine rotating blade for a low pressure section of a steam turbine engine
A steam turbine rotating blade for a low pressure section of a steam turbine engine is disclosed. The steam turbine rotating blade includes an airfoil portion. A root section is attached to one end...
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8100648 |
Submersible rotor design
An improved rotor blade used in combination with a submersible electrical generator comprises a rotor base with width BW, a leading edge, a tip, and a trailing edge. The leading edge and the...
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8100658 |
Axial-flow fluid machine blade
An axial-flow fluid machine blade which achieves reduction of the frictional loss of the blade and provision of a high surge-resistant property is provided. An axial-flow fluid machine blade 60...
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8096777 |
Mixed flow turbine or radial turbine
A mixed flow turbine or radial turbine suppresses a rapid increase in load applied on a leading edge of a blade, and can reduce incidence loss. The mixed flow turbine or radial turbine includes a...
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8092185 |
Impeller and cooling fan incorporating the same
A cooling fan (10) includes a bottom plate (12) a top cover (14) covering the bottom plate, a sidewall (13) disposed between the bottom plate and the top cover, and an impeller (16) enclosed in a...
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8092175 |
Turbine blade
The invention relates to a turbine blade comprising a profiled vane around which working gas flows. The working gas cross-flows a front edge of the vane and flows away on a rear edge of the vane....
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8092186 |
Random pitch impeller for fuel pump
A random pitch impeller for a fuel pump has number of blades. An incremental angle of the blades is set by the expression: Δθi=(360N)+(-1)i×Am×sin(p1×360N×i)×cos(P2
×360N×i), where ΔθI is the...
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8083487 |
Rotary airfoils and method for fabricating same
A method of fabricating an airfoil is provided. The method includes fabricating at least one airfoil including a suction side and a pressure side coupled together at a leading edge and a trailing...
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8079820 |
Blade module, a modular rotor blade and a method for assembling a modular rotor blade
A blade module of a modular rotor blade comprising a hollow fiber composite body which extends along a longitudinal blade axis and at least one inlay located at or near a longitudinal end of the...
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8079818 |
Method for manufacturing of a fibre reinforced laminate, use of a wrinkle-preventing material, wind turbine blade and wind turbine
A method for manufacturing of a fiber reinforced laminate is provided. A part of the laminate is build up to a determined thickness. A layer of wrinkle-preventing material is placed on top of the...
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8075278 |
Shell structure of wind turbine blade having regions of low shear modulus
The torsional rigidity of a wind turbine blade affects the twist response of the blade induced by bending moments within the blade. By including regions having a lower modulus of rigidity than the...
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8075272 |
Steam turbine rotating blade for a low pressure section of a steam turbine engine
A steam turbine rotating blade for a low pressure section of a steam turbine engine is disclosed. The steam turbine rotating blade includes an airfoil portion. A root section is attached to one end...
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