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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...
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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...
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7331764 |
High-strength low-weight fan blade assembly
An engine cooling fan system including a hub disc about which first and/or second pluralities of elongated fan blades characterized by a first and second respective pitch angles may be fastened....
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7252478 |
Fan blade modifications
A winglet includes a vertical member and a mounting member. The mounting member is configured to facilitate the mounting of the winglet to the tip of a fan blade. The vertical member is configured...
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7229251 |
Rotor hub fairing system for a counter-rotating, coaxial rotor system
A rotor hub fairing system includes an upper hub fairing, a lower hub fairing and a shaft fairing therebetween. The rotor hub fairing system is sized and configured to reduce the overall drag on a...
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7223076 |
Propeller shaft and a propeller adapted thereto
Propeller shaft ( 2 ) and a propeller ( 7 ) for marine drive units. The shaft has a splines portion ( 3 ) on which the propeller is designed to be fixed. The shaft also has a threaded portion ( 10...
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7192255 |
Device for mounting blades on a propeller hub with preloading of the bearings
This device for mounting a propeller blade in a hub, of the type in which a blade base is mounted in rotation in a hub housing by means of at least two bearings and where a preloading device...
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7182578 |
Ceramic spindle coupling structure
A ceramic spindle coupling structure includes a metal bushing which has a housing space that has an inlet and a tapered fastening section of a smaller diameter than the inlet to form a tight...
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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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7134843 |
Turbine wheel for turbomachine and the assembly method for such a wheel
A turbine wheel for a turbomachine, the disk of which comprises upstream and downstream ribs extending in the annular direction around an axis, each blade segment installed on the disk being...
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7090467 |
Fan drive attachment assembly
The invention is a fan drive attachment assembly for a motor vehicle that uses a tapered coupling to assemble the drive hub and fan drive together.
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7001155 |
Compressor impeller with stress riser
A compressor impeller for use with a boreless turbocharger is provided in accordance with this invention. The compressor impeller comprises an integral hub projecting axially therefrom that...
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6966757 |
Scraper blade attachment apparatus and method with split pin
An attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central...
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6948913 |
Turbochargers
A turbocharger has a shaft formed of a strong material such as steel and an impeller formed of a relatively weaker material such as aluminum alloy. The impeller is mounted on the shaft by means of...
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6908282 |
Air fan
An air fan mainly includes a frame and a blade portion. The blade portion is formed from a hub and a plurality of blades spaced around the hub; and the frame includes a plurality of locating...
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6893212 |
Fan having an internal rotor motor including a rapid fixing device for a fan wheel
A fan having an internal rotor motor with a rapid fixing device for a fan wheel, for both centrifugal and axial fans, including a casing ( 12 ) containing an electric motor with an internal rotor (...
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6851933 |
Electric fan assembly and fan assembly method
An electric fan assembly has structurally independent motor driven blades module, stand and shaft. The module and stand are mechanically assembled together by two mounting rings that are captured...
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6764281 |
Rotor system for an expansion turbine for low-temperature applications
A rotor of an expansion turbine for low-temperature applications that comprises a turbine rotor, wherein a cold gas is admitted and flows through the rotor centripetally. There is also a turbine...
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6676080 |
Composite airfoil assembly
A composite blade assembly comprises a root portion and blade portion that is connected to the root portion. The root portion comprises inner and outer rings and the blade portion comprises at...
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6672834 |
Removable propeller assembly incorporating breakaway elements
A propeller assembly is provided for mounting on a rotatable propeller shaft of a marine vehicle. The propeller assembly includes a central adaptor mounted on the propeller shaft for rotational...
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6666651 |
Composite propeller blade with unitary metal ferrule and method of manufacture
Composite blade assembly 10 for a propeller assembly for an airplane, including unitary metal ferrule 50 attached to a fiber-reinforced composite blade 20 ; and a method for manufacturing...
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6659723 |
Fan for an engine driven generator
A fan blade configuration for use with a fan in an engine driven generator is disclosed. The invention includes a plurality of fan blade segments fixed to a hub at one end of a rotary shaft. Upon...
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6616411 |
Fan blade for agricultural combine cooling system
A passive fan blade for a cooling package for use in an agricultural combine comprises a generally rectangular member having an axis, a central mounting area and two opposed legs, each leg having a...
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6527516 |
Device for fixing a fan-blade assembly onto a motor shaft
The invention relates to a device for fixing a fan-blade assembly ( 10 ) onto a shaft ( 12 ) suitable for being driven in rotation by a motor ( 14 ). It comprises a drive hub ( 24 ) integral with...
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6435832 |
Hub assembly
An assembly for rotationally coupling a set of blades to a drive shaft. The assembly includes an sleeve rotationally coupled to the drive shaft, a cap rotationally coupled to the sleeve, and a...
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6431834 |
Multi-connection, stable fan blade attachment mount
An apparatus for mounting ceiling fan blades onto ceiling fan blade mounting ring rotor extension. The fan blade attachment mount is can be adapted to fit a multitude of fan rotors configurations....
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6416287 |
Impeller
An impeller for a feed pump designed, in particular, as a side channel pump or as a peripheral pump has two disk parts connected fixedly in terms of rotation to one another. The disk parts can be...
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6413052 |
Anti-fretting washer for flange joints
Fretting problems between clamped parts as, for example, flanges and aircraft power trains, is substantially eliminated through the use of a shim placed between the clamped flanges and which is...
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6390777 |
Quick-connect fan blade mounting assembly
An assembly for quickly and easily mounting fan blades to a ceiling fan. The assembly includes a plurality of blade holders and a quick-connect mount. Each blade holder includes a coupling tongue...
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6387543 |
Protecting layer
A protective layer for load-transferring contact surfaces of gas turbine components, especially titanium turbine components is capable to take up alternating loads at higher temperatures. The...
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6382936 |
Electric motor and fan wheel combination, and method for producing it
An electric motor having a housing, having an armature, having an armature shaft supported in two slide bearings, where one of the slide bearings axially displaceably receives the armature shaft...
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6382918 |
Blade bracket mounting system for ceiling fan
A blade bracket mounting system for a ceiling fan includes a support base having a plurality of locking portions each having three locking slots each having a first end defining a wide portion and...
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6371730 |
Connection of a wind energy plant rotor blade to a rotor hub
The invention relates to a rotor blade in a wind energy plant, comprising at least one recess arranged in the area of the base ( 6 ) of the rotor blade and extending substantially perpendicular to...
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6371728 |
Impeller for hydraulic power transmitting apparatus and method of fixing blades of hydraulic power transmitting apparatus
An impeller for a hydraulic power transmitting apparatus has a shell and a plurality of blades fixed to the shell. Each of the blades has a blade main body and a fixing flange which is bent at an...
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6318964 |
Complex cooling fan with increased cooling capacity
A complex cooling fan includes an upper fan including an upper fan and a lower fan, the upper fan including a first cylindrical body, a plurality of first blades extending outwardly from the...
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6305906 |
Device for attaching pump impeller
The invention concerns a device for attaching a pump impeller (5) onto a conical shaft end (7). A socket (8) provided with a slot is arranged on the shaft end (7), said socket having an outer...
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6305905 |
Bolted-on propeller blade
A propeller blade for attachment to a receiving member of a hub of a propeller, is disclosed. The blade comprises a composite spar having an elongated portion formed in the shape of an airfoil. The...
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6296441 |
Compressors
An oil free high speed gas compressor driven by a high frequently electric motor with a soft magnetic armature which holds permanent magnets arranged peripherally and a centrifugal impeller...
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6261064 |
Combination of ceiling fan bracket and motor casing
A ceiling fan bracket has a first end connected to a ceiling fan blade and a second end of the ceiling fan bracket has two L-shaped wings. A connector is connected to the second end of the ceiling...
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6220818 |
Blower wheel assembly with steel hub, and method of making same
The invention includes a blower wheel assembly and method characterized by a hub formed with a piece of annealed carbon steel tubing cut to an appropriate length. The tubing is formed into the hub...
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6220815 |
Inter-stage seal retainer and assembly
A retainer which, in an exemplary embodiment of the invention, is used in a gas turbine engine inter-stage seal assembly to retain an annular seal ring flange of a seal ring against an annular...
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6183221 |
Heat dissipation fan with a shaft positioned to prevent chafing between the fan blades and the bearing
A heat dissipation fan as disclosed includes a heat dissipation fan blade, a self-lubricating bearing, a stator having an electrical circuit plate and a casing. The heat dissipation fan blade...
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6164917 |
Multiproperty rotor disk and method of manufacture
A lightweight high temperature multiproperty rotor disk and method of manufacture for use in a gas turbine engine. The rotor disk of a nickel super alloy and having a plurality of lightweight high...
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