|
Match
|
Document |
Document Title |
|
|
7527478 |
Fan blade mounting system
A ceiling fan blade iron includes a blade mounting portion 23 with a top surface 26 facing the ceiling, a movable blade fastener 24 , and two fixed or stationary mounting catches 27 coupled...
|
|
|
7510366 |
Vertical axis type wind power station
A vertical axis type wind power station and a blade manufacturing process, which can stabilize the turning motions of blades and can raise the power generation efficiency by lightening the blades...
|
|
|
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...
|
|
|
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...
|
|
|
7402025 |
Fan blade assembly
A fan blade assembly includes a fan blade and a blade iron. The proximal end of the blade iron is configured for securement to a conventional, commercially available fan motor. An openwork defines...
|
|
|
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...
|
|
|
7384242 |
Impeller blade and fan
An impeller blade includes an elongate impeller blade body having opposing proximal and distal ends, opposing first and second edges extending from the proximal end to the distal end, and opposing...
|
|
|
7381029 |
Multi-piece wind turbine rotor blades and wind turbines incorporating same
A multisection blade for a wind turbine includes a hub extender having a pitch bearing at one end, a skirt or fairing having a hole therethrough and configured to mount over the hub extender, and...
|
|
|
7360995 |
Vertical axis windmill
A vertical axis windmill in which a support frame is provided as a wind power dam to form a plurality of shaft-installation sections, and in which a plurality of vertically long blades each of...
|
|
|
7351037 |
Y-connect fastener for ceiling fan blades
A Y-connect fastener ( 210 ) is provided for firmly fastening ceiling fan blades ( 26 ) to mounting brackets ( 20 ). A plurality of protuberant members ( 32 ) extend upwardly from the mounting...
|
|
|
7322798 |
High structural efficiency blades and devices using same
A blade for a rotor has integral stiffeners with at least one of unidirectional caps configured to carry blade bending loads in axial tension or webs to carry transverse shear resulting from blade...
|
|
|
7300254 |
Ceiling fan blade with decorative insert
An improved transparent blade for a ceiling fan that includes a decorative insert is disclosed. The complete blade assembly provides a blade support, screw holes, and a blade field, which contours...
|
|
|
7281899 |
Quick assembly blades for ceiling fans
Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away...
|
|
|
7275915 |
Reinforced ceiling fan blade
A reinforced ceiling fan blade in accordance with the present invention comprises an upper half fan blade and a lower half fan blade. The upper half fan blade includes a plurality of wood sheets....
|
|
|
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...
|
|
|
7246998 |
Mission replaceable rotor blade tip section
A rotor blade includes a removable blade tip section which is mounted to an outboard rotor blade section by mechanically mounting a tip spar to a main blade spar with a spar interface section which...
|
|
|
7223078 |
Rotary plate fastener for ceiling fan blades
A rotary plate fastener ( 24 ) is provided for firmly fastening ceiling fan blades ( 26 ) to mounting brackets ( 20 ). A plurality of protuberant members ( 32 ) extend upwardly from the mounting...
|
|
|
7175392 |
Ceiling fan motor with stationary shaft
A ceiling fan motor includes a motor housing having an end wall and a side wall; a stator assembly mounted within the housing; a rotor assembly mounted within the housing to rotate relative to the...
|
|
|
7165941 |
Method and apparatus for use in construction of wind power installation and wind power installation employing same
One aspect of the present invention concerns a process for mounting rotor blades to a rotor hub of a wind power installation in situ. In order to avoid high torques in the mechanical train of the...
|
|
|
7165938 |
Fan device for removing heat from heat sources
A fan device includes a casing having a recess defined in a first side thereof so as to receive a fan unit therein, and a hole defined through a second side of the casing. An outlet is defined in a...
|
|
|
7163377 |
Apparatus and method for mounting a ceiling fixture
An apparatus and method for mounting a fixture to a ceiling according to which a tubular retainer extends in an opening of an arm and a fastener extends through the retainer and is retained by the...
|
|
|
7134844 |
Install blade bracket for a ceiling suspended fan
A install blade bracket for a ceiling suspended fan comprises: a discal seat is disposed at a bottom of the rotary assembly, the discal seat is formed with a recess, in the recess are defined a...
|
|
|
7121805 |
Electric fan with detachable blades
An electric fan comprises a rotary hub comprising a hollow two-layer cylinder including a plurality of units each including: a gap between the layers, an axial first coupling edge abutted on an...
|
|
|
7118345 |
Fan blade
An impeller is applied to a centrifugal fan and includes fan blades and a hub. Each fan blade includes a first portion and a second portion. The first portion is located relatively close to the hub...
|
|
|
7101153 |
Fabric fan blade and fan body trim
The conventional fan blade is replaced by a frame over which any of a wide range of decorative fabrics or other similar materials is drawn and secured by a clamping method to form a lightweight fan...
|
|
|
7063510 |
Centrifugal fan
Slim-profile centrifugal fan made up of a housing, a motor component, and a airflow-generating component. A disk portion, a cylindrical portion, a plurality of posts, and a plurality of blades...
|
|
|
7040858 |
Wind power generator, windmill, and spindle and blade of the windmill
A wind power generator has a windmill for rotating the generator. The windmill includes a main vertical shaft, a rotor, and a wind-receiving blade. The rotor, fixed horizontally at the upper end of...
|
|
|
6942461 |
Rotor blade hub
The present invention concerns a rotor blade hub for a wind power installation. Such a hub represents a mechanical connection between the (horizontal) rotor shaft (rotor spindle) and the rotor...
|
|
|
6942457 |
Fan assembly and method
Fans according to some embodiments of the present invention include a spider, a central hub coupled to the spider, and two or more fan blades. One or more fan design features can be employed (alone...
|
|
|
6939108 |
Cooling fan with reinforced blade
A circulatory device comprising a large diameter fan having reinforced fan blades with a tapered airfoil shape is disclosed. The fan blades may be formed using an extrusion method of fabrication,...
|
|
|
6935842 |
Ceiling fan blade mounting assembly for ceiling fan
The present invention relates to a ceiling fan blade assembly, including: a mounting bracket has a positioning portion and a mounting portion, and an arm being disposed between the positioning...
|
|
|
6923624 |
Wooden fan blade
A wooden fan blade includes an elongated blade body and a rib strip fitted into the elongated blade body. The blade body is made of a wooden plate having wooden fibers extended substantially in...
|
|
|
6916156 |
Connecting assembly of a ceiling fan for fixing blades
A connecting assembly of a ceiling fan for fixing blades includes a connecting device mounted to a motor of the ceiling fan and a seat having multiple grooves radially defined in a bottom of the...
|
|
|
6910865 |
Helicopter rotor hub, and rotor featuring such a hub
There is described a hub for a helicopter rotor, having a main body, and a number of connecting members projecting from the main body and for the connection of respective blades; the main body and...
|
|
|
6893223 |
Airfoil assembly
An airfoil assembly having a blade with a leading edge, a trailing edge, a root and a tip. The assembly rotates about a first axis. The blade has a planar windward surface parallel to a second axis...
|
|
|
6884035 |
Fan blade attachment
A ceiling fan comprising a plurality of fan blades, each positioned in a slot of a corresponding bracket attached to a rotatable hub. For each fan blade, a brace connects a mid-section of the fan...
|
|
|
6881037 |
Two-piece safety mechanism for ceiling fans
A two-piece safety mechanism for ceiling-mounted fans comprises a first and second cable. The first cable has a first fastener extending from a first end and a first connector extending from a...
|
|
|
6863499 |
Quick connect blade iron system
A ceiling fan quick connect blade iron system ( 10 ) is disclosed which is coupled to a conventional ceiling fan electric motor ( 11 ) having a lower portion ( 12 ). The motor lower portion has an...
|
|
|
6863498 |
Blade spreading assembly for quick ceiling fan installation
A blade spreading assembly for quick ceiling fan installation is disclosed. The blade spreadingassembly comprises a fan rotor bracket attached to the fan rotor and operatively coupled to an arm...
|
|
|
6857854 |
Quick connect blade system
A ceiling fan quick connect blade system ( 10 ) is disclosed which is coupled to a conventional ceiling fan electric motor ( 11 ) having a lower portion ( 12 ). The motor lower portion has an...
|
|
|
6852025 |
Vertical ventilator for outdoors and/or indoors
Based on a hollow column ( 1 ), terminating at the bottom in a baseplate ( 2 ) and at the top in a core ( 3 ) from which vanes ( 4-4 ′), also hollow and connected with the column ( 1 ), emerge; a...
|
|
|
6840739 |
Ceiling fan
A ceiling fan ( 10 ) is provided having a motor ( 12 ), a motor housing ( 13 ), fan blades ( 14 ), and blade irons ( 16 ) coupled to the motor and blades. Each blade iron includes a mounting arm (...
|
|
|
6821091 |
Securing device
A securing device for securing a connecting arm to a ceiling fan blade. The blade includes a hole through which a male member of the arm is inserted. The securing device includes a plate having an...
|
|
|
6814545 |
Fan blade
The present invention employs improved fan blade shapes to improve fan blade performance in one or more manners (i.e., increased fan efficiency, lower fan noise, greater fluid moving capability,...
|
|
|
6811377 |
Ceiling fan blade
A ceiling fan blade comprises a cloth blade, a plurality of springs and an arctuated frame. The arctuated frame is provided with a protrusive shaft for cooperating with the springs. The cloth blade...
|
|
|
6761540 |
Suspension device for a ceiling fan
A suspension device for a ceiling fan includes a bracket mounted on the ceiling. A bearing seat is engaged in the bracket. A central hole is defined and extends through the bearing seat. A first...
|
|
|
6758626 |
Connecting device of a ceiling fan for connecting a blade to a bracket
A connecting device of a ceiling fan includes a base plate securely attached to a connecting portion of a bracket of the ceiling. An oval connecting block is selectively attached to the base plate...
|
|
|
6726453 |
Quick-release fan blade mounting structure for ceiling fan
A fan blade mounting structure is constructed to include a first coupling unit fixedly located on the rotor of a fan motor assembly, the first coupling unit having a spring-supported hook and a...
|
|
|
6722859 |
Electromagnetic device capable of controlling the revolving speed of a multi-fan assembly
A multi-fan assembly with a built in electromagnetic control device composed of a magnetic induction mask fixedly received in a space in a rotatable member, a magnetic flux coil fixedly connected...
|
|
|
6719531 |
Ceiling fan blade for quick assembly
A ceiling fan blade with quick assembly comprises a connector disposed below a disc of the ceiling fan, and a blade holder coupled to the connector, in which the connector has an embedded hole at...
|