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8177512 |
Hub-profile connection system for axial fan and axial fan provided with this connection system
A hub-profile connection system for axial fan is disclosed, consisting of a hub to which one or more blades provided with an air displacement profile are connected, wherein one or more blades are...
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8172538 |
Method of manufacturing a wind turbine blade shell member with a fastening member and a wind turbine blade with a fastening member
A method of manufacturing a wind turbine blade shell member (2) having an incorporated fastening member (4) near the root is provided. According to the method, a fastening member 4 is positioned in...
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8167564 |
Fan blade
The present invention relates to a fan blade for axial fans with a blade body comprising an inner inlaid part and an outer blade shaped part partially enclosing said inner inlaid part. The outer...
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8152471 |
Apparatus and method for retaining bladed rotor disks of a jet engine
An apparatus (3) retains bladed rotor disks (4, 6, 9) of a jet engine which engine includes an axial-flow compressor with several bladed rotor disks (4, 6, 9), at least one turbine section, at...
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8147204 |
Aerodynamic interface component for fan blade
A fan comprises a hub, a plurality of fan blades, and a plurality of interface components. Each interface component is configured to mount at the first end of a corresponding fan blade. Each...
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8147201 |
Kinetic hydro power triangular blade hub
A rotor hub mounting arrangement for removably mounting a plurality of turbine rotor blades to the rotor hub in a compact and secure manner. The rotor hub includes an internal mounting assembly,...
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8147203 |
Fan
A fan includes an impeller, a motor, a plurality of first engaging members and a plurality of second engaging members. The impeller includes a hub and a plurality of blades disposed around the hub....
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8147202 |
Wind turbine, a hub for a wind turbine and use hereof
The invention relates to a wind turbine including at least two blade units. Each blade unit has a pitch controlled wind turbine blade and at least one pitch bearing including at least one outer...
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8142160 |
High speed type impeller having a reinforcing ring
Disclosed is a high speed type impeller, including: a body having a shaft coupling hole into which a rotation shaft of a motor is coupled, the outer circumference of the body being widened from the...
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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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8133029 |
Rotor blade attachment
The invention relates to a rotor blade attachment (17), in particular of a wind power plant (1), for the connection of a rotor blade (5) with an attachment device (4), including a transverse pin...
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8132325 |
Co-forged nickel-steel rotor component for steam and gas turbine engines
A method of forming a rotor for a turbine engine such that the rotor is formed of two materials including: an inner disk formed from a first material, such as steel, and an outer ring formed from a...
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8123465 |
Mounting tubes for pressurizing an internal enclosure in a turbomachine
A turbomachine comprising high- and low-pressure compressor shafts guided in bearings isolated from an internal enclosure by a sealing end plate, and radial pressurization tubes connecting the...
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8123485 |
Rotor hub of a wind energy plant
A rotor hub (10) of a wind power plant for a rotor, in particular with at least one rotor blade is provided, wherein a hub core body (12) and at least one hub outer body (16) are connected together...
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8105034 |
Vertical-axis wind turbine and method for the production thereof
The invention relates to a vertical-axis wind turbine and at least 2 turbine blades, wherein every turbine blade is connected via a supporting arm and a connecting element that can be purely...
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8105040 |
Wind turbine rotor blade
A wind turbine rotor blade is provided, the rotor blade comprising a root portion and a tip portion extending therefrom. The root portion comprises a plurality of inserts embedded therein, each...
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8100656 |
Fan apparatus for a cooking device
A fan apparatus for a cooking device is provided having a fan impeller that is held on a drive shaft of a rotary drive by its hub and is pressed against a stop of the drive shaft in an axial...
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8092182 |
Wind turbine blade support structure
A wind turbine apparatus includes a unit structure that is coupled to a central hub by way of an in-tension cable. The unit structure includes a first set of struts, wherein each strut in the first...
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8070448 |
Spacers and turbines
Spacers and turbines are provided. In an embodiment, and by way of example only, a spacer includes a strip, a first retention flange, and a second retention flange. The strip has a first edge, a...
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8061995 |
Machine component retention
An axial retention system for restraining axial movement of a first machine component having a dovetail within a complimentary-shaped dovetail slot in a second machine component that includes a...
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8047792 |
Wind turbine pitch bearing, and use hereof
The invention relates to a wind turbine including at least two pitch controlled wind turbine blades. Each blade has pitch bearings including two or more bearing rings, and pitch controlling means...
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8043062 |
Turbine rotor and turbine having the same
A turbine rotor is provided with a torque transfer mechanism equipped between a pair of adjacent rotor discs among a plurality of rotor discs so as to transfer a torque from one rotor disc to...
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8033793 |
Impeller
The present invention provides an impeller in which a metallic bush can be inserted correctly into a synthetic resin impeller main body manufactured by resin molding using a die, and a...
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8011893 |
Module of a nacelle of a wind turbine, nacelle of a wind turbine, wind turbine and method for the assembly of a nacelle of a wind turbine
The invention concerns a module of a nacelle of a wind turbine, which is separately designed, manageable and comprise a housing part. The module is connectable to at least one further module of the...
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8007239 |
Cooling fan having protrusion at air outlet thereof
A cooling fan (20) includes a housing (22) and an impeller (24). The housing has a base (221), a sidewall (222) extending from a periphery of the base with an air outlet (226) defined therein, and...
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7946819 |
Wind turbine drive shaft connection arrangement
A connection arrangement for connecting drive shafts of a wind turbine including a rotor having a rotor shaft and a hub, and a gearbox having a gearbox input shaft is provided. The connection...
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7948111 |
Vertical axis wind system
A vertical axis wind system for use in electrical power generation. The system includes a stationary base including a generator and has an elongate shaft rotatably coupled the base. The elongate...
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7909586 |
Fan and rotor thereof
A fan includes a frame, a stator and a rotor. The stator is disposed in the frame, and the rotor is disposed in the frame and coupled with the stator. The rotor includes a connecting element, an...
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7878757 |
Centrifugal water pump
A centrifugal water pump for use in a diesel engine cooling system provides an improved water pump construction including multiple features which combine to provide increased operating life for the...
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7874805 |
Hub for a wind turbine
A hub for a wind turbine with a first end facing a nacelle of the wind turbine and a second end facing a direction opposite the nacelle. The hub has at least one opening between the first and...
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7857592 |
Quick install blade arms for ceiling fans
Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the...
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7837430 |
Rotary blower and aspirator having a modifiable conformation
The machine comprises an impeller, provided with blades connected to a central body of the impeller; the impeller is closed in a casing which defines an annular conduit, in which the blades rotate,...
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7807284 |
Fan structure and battery pack using the same
A fan structure is provided, which includes: a fan case having an inlet and an outlet; a bladed wheel provided inside the fan case; a motor for rotating the bladed wheel; a circuit substrate for...
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7785073 |
Method for mounting a rotor blade of a wind power installation without using a crane
It has already long been known to use mobile cranes for mounting rotor blades to a wind power installation. Such cranes pick up the rotor blade at the base of the wind power installation and take...
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7771161 |
Adjustable guide device
Guide vanes are supported in a two-part or multipart housing (32, 33). Housing separation takes place radially in the region of the bearing point (25) of the vane shaft so that the separating joint...
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7762777 |
Savonius wind turbine construction
A Savonius vertical axis wind turbine rotor has at least three spokes, at least two vanes, and fasteners. Each spoke includes a hub with central opening and arcuate ribs integral with the hub and...
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7740450 |
Lightweight hub for rotors
A structure for a hub of a rotor includes a space frame having truss members configured to carry primary torsion, bending, and direct loading. The structure also includes a shell on the space frame...
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7726946 |
Sanitary removable impeller hub and method
A hub mounting assembly for mounting a plurality of impellers onto a shaft has a first hub ring and a second hub ring. A first key piece is adapted to engage with the shaft and engage with at least...
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7722336 |
Compressor wheel
An exemplary compressor wheel includes a proximate end, a distal end, an axis of rotation, a z-plane positioned between the proximate end and the distal end and a proximate end extension wherein...
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7722328 |
Rotor blade connection
A rotor blade for a wind power installation comprises a plurality of holes which are arranged in the region of the rotor blade root and which are in the form of through holes which extend...
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7713029 |
Turbine blade with spar and shell construction
A turbine blade with a spar and shell construction in which the spar includes a blade tip and a dove-tail on the root end of the spar. A pair of platform halves form a fir-tree attachment capable...
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7614850 |
Apparatus for assembling rotary machines
A wind turbine generator includes at least one blade and a hub assembly. The hub assembly includes at least one substantially cylindrical wall defining a substantially annular hub cavity. The...
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7517194 |
Rotor blade for a wind turbine
A rotor blade for a wind turbine is provided, wherein the rotor blade has radial bores in a wall of a blade root portion, the radial bores being staggered in a longitudinal direction of the rotor...
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7500831 |
Self balancing fan
A fan (10) is disclosed having an electric motor (13) which rotatably drives an annular array of blade irons (14) each having a blade (15) mounted thereto. Each blade iron has a motor mounting...
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7500829 |
Two piece separable impeller and inner drive for pump
A separable impeller and inner drive are constructed from different plastics. The inner drive includes a metallic drive ring that receives drive lugs extending from the impeller. A bushing directly...
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7481626 |
Ceiling fan with integrated fan blades and housing
The invention relates generally to fans, and in particular to ceiling fans. A ceiling fan is suspended by a down rod and a motor that rotates relative to the down rod. The motor also has a...
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7481624 |
Butt connection for hollow profile members
A butt connection of divided hollow profile members, which is suitable in particular for rotor blades of wind power installations, comprises a multiplicity of straps which are arranged along the...
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7452188 |
Pre-stretched tie-bolt for use in a gas turbine engine and method
The tie-bolt comprises an elongated tubular portion and a retaining portion coaxially and rigidly attached to the tubular portion. The retaining portion has an outer diameter larger than that of...
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7396210 |
Quick install blade arms for ceiling fans
Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the...
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7374402 |
Fastening arrangement for an impeller on a shaft
The fastening arrangement (26) for an impeller (22) on a shaft (14), in particular for an impeller (22) of a turbocharger on a turbocharger shaft (14), comprises a bush (34), which can be screwed...
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