Match Document Document Title
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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: Δθ⁢⁢i=(360N)+(-1)i×Am×sin⁡(p1×360N×i)×cos⁡(P2×360N×i), where ΔθI is the...
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....
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...
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...
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...
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...
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...
8070449 Wind turbine  
A vertical-axis wind turbine for use with an electrical generator for producing power by converting the energy of wind currents into mechanical rotational energy which is then used to operate the...
8068339 Axial fan apparatus, housing, and electronic apparatus  
There is provided an axial fan apparatus including an axial-flow impeller, a drive unit, and a housing. The axial-flow impeller is capable of rotating and includes a plurality of blades inclined...
8061996 Wind turbine blade planforms with twisted and tapered tips  
A blade for a wind turbine includes a total backward twist of between approximately 6 degrees and approximately 15 degrees between an outer approximately 1 percent to 10 percent of a rotor radius...
8057188 Compressor airfoil  
A compressor component having an airfoil with a profile in accordance with Table 1 is disclosed. The compressor component, such as a compressor blade, has an increased thickness over a portion of...
8057169 Airfoil core shape for a turbine nozzle  
An article of manufacture includes an object having an airfoil core shape. The airfoil core shape has a nominal profile substantially in accordance with Cartesian coordinate values of X, Y, and Z...
8052394 Rotor blade of a wind energy unit  
The invention relates to a rotor blade (60) of a wind energy plant with a top side (suction side) and a bottom side (pressure side) wherein profiles (21, 22, 23, 24, 25) with a front edge and a...
8043056 Self-assembly micro fan  
A self-assembly micro fan includes a body, a plurality of blades and flexible joints, with any one of the blades being connected to the body by one of the flexible joints while each flexible joint...
8043067 Wind turbine blade with sufficiently high strength and light weight  
A wind turbine blade is provided with an outer skin layer formed of fiber-reinforced plastic, and a plurality of main structural members formed of fiber-reinforced plastic integrally with the...
8043065 Wind turbine blade with prefabricated leading edge segments  
A wind turbine rotor blade includes first and second shell components joined together at a trailing edge of the blade. Each shell component includes a forward edge. At least one leading edge...
8043045 Actuator  
Actuators utilising shape memory alloy materials are known with regard to gas turbine engines. Such shape memory alloys have been used with respect to deformation provided in vanes and blades as...
8043064 Fan and fan wheel thereof  
A fan and a fan wheel thereof are provided. The fan comprises the fan wheel and a fan cowl. The fan wheel comprises a hub and a plurality of blades. The hub can define an axial direction and a...
8038409 Turbomachine with rotors of high specific energy transfer  
A turbomachine has at least one rotor blade row designed for extremely high work coefficients (high-load), which—in its center section and/or averaged over the blade height—provides for an...
8038406 Axial fan and blade design method for the same  
An axial fan which includes a hub portion having the rotational center thereof and blades arranged on the outer periphery of the hub portion is equipped with a thickness reinforcing portion which...
8033790 Multiple piece turbine engine airfoil with a structural spar  
A multiple piece turbine airfoil having an outer shell with an airfoil tip that is attached to a root with an internal structural spar is disclosed. The root may be formed from first and second...
8029242 Multi-blade fan  
In a multi-blade fan provided with a plurality of notches in a blade edge in an outer side of each impeller blade, it is possible to direct an impeller blade outlet in a portion of the notches to...
8021113 Twin-airfoil blade with spacer strips  
The invention relates to a blade possessing a leading edge and a trailing edge, the blade comprising a first airfoil possessing an inner face and an outer face extending between said leading edge...
8016566 High performance low noise rotorcraft blade aerodynamic design  
One embodiment of the present invention is a main rotor helicopter blade for generating higher lift with less drag and delaying stall at high Mach numbers. A cross-section of this blade includes...
7997874 Wind turbine rotor blade joint  
A blade segment is disclosed for a rotor blade formed from a plurality of blade segments, the blade segment having a span and a chord. The blade segment includes a shell segment having a pressure...
7997872 Fan blade  
The suction surface blade angle of a transonic fan blade, subject in use to a shock wave, progressively reduces along part of the suction surface, beginning at a position upstream of the shock...
7993105 Hollow fan blade for gas turbine engine  
A hollow fan blade for a gas turbine engine provides improved resistance to buckling without adding wall thickness. The hollow fan blade includes a pressure side wall and a suction side wall...
7985052 Curved blade for wind turbines  
A curved blade for use on horizontal wind turbines, the blade comprising a substantially semicircular tip portion, a substantially semicircular counter-tip portion opposite the tip portion, and a...
7980826 Strengthening structure for a wind turbine blade, a wind turbine blade, a method for assembling a wind turbine blade and use hereof  
A strengthening structure for a wind turbine blade includes at least one first reinforcement part adapted to be connected to a first blade part of the wind turbine blade, and at least one second...
7976276 Noise reducer for rotor blade in wind turbine  
A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly includes a rotor blade having a pressure side, a suction side, a leading edge, and a trailing edge extending...
7976280 Turbine bucket shroud internal core profile  
A turbine bucket including a bucket airfoil having a hollow tip shroud, the hollow tip shroud having a hollow core having a nominal profile substantially in accordance with Cartesian coordinate...
7972203 Windshield saver  
An air flow device for generating an air flow 30 across a windshield 4 of a vehicle 2, the air flow device has one or more means 10 for generating an air flow 32 located in proximity on a lateral...
7967569 Vertical shaft wind turbine and method of installing blades therein  
This invention relates to a vertical shaft wind turbine, and particularly to an installation method of blades that can effectively improve the efficiency of a vertical shaft wind turbine. A...
7967570 Low transient thermal stress turbine engine components  
A turbine vane includes a platform; and at least one airfoil mounted to the platform and having a trailing edge and a leading edge, wherein the vane is composed of a functionally graded material...
7946824 Electric axial flow fan  
In an axial flow fan, a line extending from a center axis and passing a corner where a following edge and a radially outer edge of a blade of an impeller meet is arranged forwardly in a rotational...
7942071 Turbine for measuring petroleum products which are charged with a viscosity reduction agent  
Turbine comprising a tubular body that receives an upstream stator, a rotor including a propeller and a downstream stator. The trailing edge of the blades of the upstream stator is inclined...