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Document Title |
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7600973 |
Blades for gas turbine engines
A blade for a gas turbine engine comprises an aerofoil having a root portion, a tip portion located radially outwardly of the root portion, and leading and trailing edges extending between the root...
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7600963 |
Fluid energy converter
Embodiments include apparatus and methods of fluid energy conversion. One embodiment relates to a tube for a fluid energy converter. The tube may include a generally cylindrical and hollow body...
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7585155 |
Axial flow fan
Blades mounted on a circumferential outer surface of a hub of an axial flow fan do not deform even when rotated at high speed, thus promoting structural stability. The direction of the sweeping...
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7550864 |
Wind turbine
A rotor for a wind turbine comprising a plurality of radial blades and a ring-shaped aerofoil diffuser connecting the outer tips of the blades. Also disclosed is a wind turbine comprising said...
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7537430 |
Stacked reaction steam turbine rotor assembly
Disclosed herein is a rotor assembly for a steam turbine. The steam turbine includes a retention portion having a stacked rotor section. The steam turbine further includes a first shaft end...
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7506838 |
Air intake structure for aircraft engine
The aft stiffening frame of an air intake structure for an aircraft engine nacelle is made with an inflection area such that the part between the inflection area and one of its ends could be...
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7503747 |
Rotatable duct type shrouded rotating wing
In a rotatable duct type shrouded rotating wing, permanent magnets are arranged in the outer periphery of a rotatable duct, rotor blades are connected to the inner periphery of the rotatable duct,...
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7503746 |
Fan of heat sink
A fan of a heat sink comprising a hub, a plurality of ribs and a set of blades is provided. A distal end of the ribs is connected to circular sidewall of the hub and the set of blades are connected...
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7481619 |
Extended venturi fan ring
A high efficiency, low-noise fan ring for use with a heat exchanger having an annular fan ring body attached to a coaxial mounting ring. The fan ring body extends in a substantially perpendicular...
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7481615 |
Fan and shroud assembly
A fan and shroud assembly has a rotatable hub and plural blades extending outward from the hub. A shroud surrounding the fan controls air blast resulting from rotation of the fan. The shroud...
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7476079 |
Low-noise HVAC blower assembly
A blower assembly 10 ′ includes a housing 18 ′ having an inlet 19 and an outlet 20 . The housing includes an inlet ring 22 ′ at the inlet. A blower wheel 12 ′ is mounted for rotation...
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7438522 |
Fan
A fan has an air conveying conduit ( 16 ) and a fan wheel ( 22 ) arranged therein, which wheel is rotatable about a central axis ( 25 ) and is formed with a central hub ( 20; 120 ) having an outer...
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7399162 |
Wind turbine
A fluid turbine, such as a wind or hydro turbine, for generating electrical power, the turbine having a rotor assembly comprising a hub, a rim and a plurality of tensioned cable members joining...
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7393181 |
Expandable impeller pump
An impeller according to an example of the present invention comprises a hub, and at least one blade supported by the hub. The impeller has a deployed configuration in which the blade extends away...
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7392893 |
Power unit cooling device
A centrifugal fan is mounted to an inner plate of a centrifugal clutch as a heat-generating rotating device, and an intake port of a casing is formed near a front side in the axial direction of the...
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7377751 |
Cooling fan and shroud with modified profiles
A cooling system includes a cooling fan with an outlet and an inlet and a shroud surrounding at least a portion of the cooling fan. The cooling fan includes a plurality of fan blades, and each fan...
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7331759 |
Drying fan
A drying fan, including for water damage restoration, including for drying a room corner extending axially along an interface between a wall and a floor, has a shrouded housing having an axial flow...
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7309207 |
Fan shroud structure reinforcement to reduce or eliminate warping and distortion
A fan shroud structure ( 10 ) is constructed and arranged to carry a fan and motor. The fan shroud structure includes a base ( 12 ) and an annular rim ( 24 ) extending from the base. The rim...
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7284957 |
Composite integrally bladed rotor
The present invention relates to an integrally bladed rotor for use in a gas turbine engine. The integrally bladed rotor comprises a plurality of pairs of airfoil blades. Each pair of blades has a...
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7244103 |
Windmill rotor comprising multiple separate wind channels
Round honeycomb rotor for wind generators and most propellers has bent tubular trapezoids, two or more concentric tubular cylinders and a variable number of round bent tubular trapezoids. Both...
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7189061 |
Cooling fan for vehicles
A cooling fan having a circumferential ring. In ordinary fans of this type, deformation of fan blades causes the ring to buckle inward at locations between the blades. In one form of the invention,...
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7186088 |
Low pressure fan with high-flow
A fan 10 has a hub 12 , a plurality of fan blades 14 attached to the hub at one end and extending outwardly from the hub, and a ring 18 concentric with the hub and coupled to tips 16 of...
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7156615 |
Fan shroud structure for reducing resonance, improving stiffness and manufacturability
A fan shroud structure 10 is constructed and arranged to carry a fan. The fan shroud structure includes a body 12 having a periphery, a main surface, and an annular rim 26 defining a...
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7144221 |
Method and apparatus for assembling gas turbine engines
A method for assembling a fan assembly for a gas turbine engine includes coupling a plurality of fan blades in a row to a rotor disk, wherein each fan blade includes an airfoil having a first...
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7136285 |
Wave-fans and wave-fans with heat sinks
A wave-fan comprises a wavy surface, generally sinusoidal in the direction of rotation, which rotates in close proximity to the fins of a heat sink. The wave-plane fan is suitable for use with a...
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7118344 |
Wind power plant for generating energy
A wind power system ( 1 ) for generating power is proposed, comprising a rotor which is axially flowed through, is rotatably held on a shaft ( 2 ) and is provided with blades ( 3 ), as well as a...
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7114921 |
Fan and blower unit having the same
A cooling fan includes a cylindrical boss portion, a plurality of blades extending from the boss portion in a radial direction and a ring member integrated with radial outside edges of the blades....
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7094023 |
Shroud honeycomb cutter
A turbine blade for use in a gas turbine engine is provided. The turbine blade includes an airfoil portion having a tip end, a shroud attached to the tip end, which shroud has an outer surface, and...
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7086825 |
Fan
A fan is provided for use with a casing having a bellmouth and a conduit portion. The fan has a hub, a number of blades extending from the hub, and a shroud. In cooperation with the casing and the...
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7083387 |
Axial flow fan
An axial flow fan. The axial flow fan includes an impeller, an annular structure, and a plurality of connecting elements. The impeller has a plurality of blades, arranged radially. Each blade has...
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7070388 |
Inducer with shrouded rotor for high speed applications
An inducer rotor rotatably mountable in an inducer for pressurizing fluid traveling through the inducer. The inducer rotor includes a hub. The hub has a central axis and a plurality of blades...
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7063509 |
Conical tip shroud fillet for a turbine bucket
A turbine bucket airfoil has a conical fillet about the intersection of the airfoil tip and tip shroud having a nominal profile in accordance with coordinate values of X and Y, offset 1, offset 2...
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7044718 |
Radial-radial single rotor turbine
A rotor for use in turbine applications has a radial compressor/pump having radially disposed spaced apart fins forming passages and a radial turbine having hollow turbine blades interleaved with...
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7037077 |
Radiator fan and engine cooling device using the same
Whereas for each propeller blade of a radiator fan, an attachment angle θ 1 at a propeller blade base portion, projected onto a plane parallel to an attachment surface of the propeller blades...
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7014425 |
Low pressure fan with Y-shaped blades
A fan 10 includes a central hub 14 , an outer ring structure 18 , and a plurality of fan blades 12 . Each blade is of generally Y-shaped configuration having first and second separate branches...
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7001144 |
Gas turbine and method for reducing bucket tip shroud creep rate
A bucket tip shroud in a gas turbine includes a seal rail having a cutter tooth at one end. Bucket tip shroud creep rate can be reduced by removing the cutter tooth from the bucket tip shroud seal...
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6969240 |
Integral turbine composed of a cast single crystal blade ring diffusion bonded to a high strength disk
A lightweight high temperature bladed turbine disk intended for use in gas turbine engines. The bladed disk comprises a cast integral ring of single crystal airfoils with the primary and secondary...
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6960063 |
Vortex attractor without a backplate
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor...
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6957948 |
Turbine blade attachment lightening holes
The present invention seeks to provide a turbine blade with increased creep capability for both uncooled and cooled turbine blades while generally maintaining operating stress levels at an...
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6957947 |
Hydroelectric turbine
A hydroelectric turbine anchored in a body of water which produces electricity directly from its housing. The turbine is in and of itself a generator whose housing is its stator and whose blade it...
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6908287 |
Axial flow fan
Disclosed is an axial flow fan capable of achieving reduction of noise while having a high blowing efficiency compared to the power consumption of a motor adapted to drive the axial flow fan. The...
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6896484 |
Turbine engine sealing device
A sealing system for reducing a gap between a tip of a turbine blade and a shroud of a turbine engine. As a turbine engine reaches steady state operating conditions, components of the sealing...
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6893220 |
Centrifugal fan
A centrifugal blower impeller includes a central hub and a plurality of impeller blades. The central hub includes a conical section and an outer edge. The conical section is centered with respect...
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6893216 |
Turbine bucket tip shroud edge profile
A turbine bucket includes a bucket airfoil having a tip shroud with leading and trailing edges defining leading and trailing edge profiles substantially in accordance with Cartesian coordinate...
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6872052 |
High-flow low torque fan
A fan 10 includes a hub 12 , a plurality of fan blades 14 attached to the hub at one end and extending outwardly from the hub, and a ring 18 concentric with the hub and coupled to tips 16 ...
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6869270 |
Turbine blade cover cooling apparatus and method of fabrication
A blade cover cooling apparatus comprises a blade cover top plate, comprising a plurality of upper ribs, a blade cover bottom plate, comprising a plurality of lower ribs. The blade cover top plate...
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6866480 |
Centrifugal fan
A centrifugal fan with single or double intake is provided with a fan impeller of a closed type which is formed of a rotating bladed wheel having at least a covering element. Blades of the fan...
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6857850 |
Fan for a grain bin and the like
A fan for use with a grain structure and the like having end plates in spaced parallel alignment with an inlet port in one plate and an outlet port in the opposite plate, a barrel housing...
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6851931 |
Turbine bucket tip shroud edge profile
A turbine bucket includes a bucket airfoil having a tip shroud with leading and trailing edges defining leading and trailing edge profiles substantially in accordance with Cartesian coordinate...
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6849965 |
Wind machine with slanted blades
A wind machine mounted on a vertical mast ( 2 ) and having a wind-driven turbine ( 1 ) co-operating with an alternator to generate electrical power, this turbine ( 1 ) being fitted with slanting...
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