Matches 1 - 50 out of 275 1 2 3 4 5 6 >


Match Document Document Title
US20120177497 Propeller Connecting Piece for Electric Model Airplane  
A propeller connecting piece for electric model airplane, for connecting an electric-power output shaft with a propeller in an electric model airplane with the propeller, characterized in that the...
US20140064974 FIXTURE AND METHOD FOR SECURING AN AEROFOIL  
A fixture having a foot damp for damping a foot of an aerofoil and a tip damp for clamping a tip of the aerofoil is provided with an array of supports between the foot clamp and the tip clamp....
US20140119925 CEILING FAN  
A ceiling fan suspended by a down rod includes a motor that rotates relative to the down rod. The motor has a side extending between a top and an opposed bottom, a brace is releasably attached to...
US20140037453 BLADE CASCADE WITH SIDE WALL CONTOURS AND CONTINUOUS-FLOW MACHINE  
A blade cascade for a continuous-flow machine having a non-axisymmetrical side wall contour, whereby the side wall contour has at least one suction-side depression that, in the circumferential...
US20140023507 CEILING FAN SYSTEM WITH BRUSHLESS MOTOR  
A fan system includes a motor, a rotatable hub, and a plurality of fan blades. The motor is coupled with the hub by a hollow drive shaft, such that the drive system of the fan system is gearless....
US20130136604 WINDMILL AND HUB SEALING APPARATUS THEREOF  
A windmill having a hub sealing apparatus for sealing an interface between a hub and a blade of the windmill, The hub sealing apparatus includes a bottom sealing ring configured to be sealed to...
US20140147285 FIXTURE FOR AN AIRFOIL SHROUD AND METHOD FOR MODIFYING AN AIRFOIL SHROUD  
According to one aspect, a fixture for an airfoil shroud having a first end edge, a second end edge, a leading edge, a trailing edge, a radially outer side and a radially inner side with respect...
US20120043762 VARIABLE WINDMILL WING WIND POWER GENERATOR HAVING POWER GENERATION EFFICIENCY INCREASING MEANS  
The present invention relates to a variable windmill wing wind power generator having a power generation efficiency increasing means, which includes: an installation unit; a vertical rotating...
US20130001360 BRACKET  
An integrated bracket assembly for attachment to a convex outer corner surface of a torsion box of an aerofoil structure, the bracket assembly comprising a bracket strip having a plurality of...
US20130280074 AIRFOIL SUPPORT METHOD AND APPARATUS  
A support for an airfoil includes a trunk and a limb extending from the trunk for distribution within the airfoil.
US20150056080 TURBINE SYSTEM AND ADAPTER  
A turbine system and adapter are disclosed. The adapter includes a turbine attachment portion having a first geometry arranged to receive a corresponding geometry of a wheelpost of a turbine...
US20090324412 Rotor for use in a wind turbine, and method for making the rotor  
The invention relates to a rotor for use in a wind turbine with two or more fibre-reinforced plastic vanes and a hub which can rotate about an axis of rotation, the rotatable hub and the plastic...
US20130336795 METHOD OF COUPLING AEROFOIL SURFACE STRUCTURES AND AN AEROFOIL ASSEMBLY  
A method of attaching first and second aerofoil sections to each other is disclosed. The method comprises the steps of: positioning one aerofoil section in an initial assembly orientation with...
US20120328442 WIND TURBINE ELEVATOR  
A method for assembling a wind turbine includes: unloading a nacelle and hub from a truck; connecting the nacelle and hub to a carriage of an elevator in a vertical position; connecting blades to...
US20140003950 MISTAKE PROOF DAMPER POCKET SEALS  
A method of assembling a blade array includes the step of inserting a blade having a platform into a rotor. The blade includes a pocket radially beneath the platform that includes an interference...
US20100034658 WIND TURBINE GENERATOR AND METHOD FOR CONSTRUCTING WIND TURBINE GENERATOR  
Provided are a wind turbine generator and a method for constructing a wind turbine generator that allow for alleviation of construction costs, particularly for large wind turbine generators, and...
US20110206522 ROTATING AIRFOIL FABRICATION UTILIZING CMC  
Disclosed is an airfoil comprising a plurality of ceramic matrix composite (CMC) fabric sheets which are layered to form a single, layered fabric sheet. The layered fabric sheet is formed so as to...
US20130216386 PUMP FOR PUMPING MOLTEN METAL INCLUDING COMPONENTS THAT RESIST DETERIORATION  
A pump for pumping molten metal includes a pump shaft having an upper end and a lower end. A motor is connected to the upper end of the shaft. An impeller is fastened to the lower end of the...
US20130280077 CEILING FAN  
A ceiling fan includes a suspending unit and a ceiling fan body. The ceiling fan body includes a shaft; a motor; a plurality of blades; an upper body cover having a first opening, at a central...
US20120207606 Impeller Wheel for a Ventilator  
The impeller wheel is rotatably supported about a central axis and has a hub on which vanes are arranged. The vane has across its radial length at least similar profiled sections, viewed in...
US20110081246 AIR FENCE FOR FAN BLADE  
A fan comprises a rotatable hub, a plurality of fan blades coupled with the hub, and a plurality of air fences coupled with the fan blades. Each fan blade has a free end and an opposite end...
US20140064972 COMBINATION OF MOTOR AND WIND WHEEL  
A combination of a motor and a wind wheel. The motor includes a shaft (11) including a plurality of mounting holes (21). The wind wheel (2) is arranged on the motor (1). A plurality of wind blades...
US20090092494 DISK ROTOR AND METHOD OF MANUFACTURE  
A disk rotor comprises a hub having a bore, and a plurality of spoke segments radially extending from the hub, each spoke segment including a base portion being attached to the hub and a rim...
US20140271211 DROPPED CEILING FAN  
Disclosed is a dropped ceiling fan that includes an elongated body with a fan inside the elongated body that move air downward in the elongated body with a plate positioned below the fan with a...
US20120020788 WIND ENERGY SYSTEM  
Wind energy systems comprise a wind accelerator having a support assembly and an outer structure surrounding the support assembly. The wind accelerator has a front region and a rear region. The...
US20100089165 Rotor disk weld inspection method and arrangement  
A method is disclosed for inspecting a weld joining a first rotor disk made of nickel alloy and having an inner surface and an outer surface concentric with the rotor's longitudinal axis to a...
US20120027601 ROTATABLE COMPONENT MOUNT FOR A GAS TURBINE ENGINE  
Radial shifting of a rotatable component in a gas turbine engine is prevented by radially offsetting overlying mounting apertures in said component and a base or mounting flange therefor such that...
US20090097981 Low Cost Wind Turbine  
A vertical axis wind turbine includes an elongated rotor propelled by wind-drag, having a high aspect ratio, with a length, L, and diameter, D, wherein 5
US20120328441 AUTO-ROTATING DEVICE  
A launchable device capable of autorotating flight. The device comprises a wing with two airfoils that induce this autorotating flight after launch and ascent.
US20110280730 SEMI-FLEXIBLE SUPPORTING STRUCTURE FOR WIND TURBINE  
A frame for supporting equipment arranged in a hub of a wind turbine is fixed to the hub at one end and flexibly connected to the hub at another end. The variation of the relative position between...
US20100086406 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...
US20150204346 CEILING FAN HAVING A SINGLE FAN BLADE  
A ceiling fan including a motor having a rotating flange; a single integrally formed fan blade, wherein the fan blade includes two substantially equally weighted wing portions disposed opposite...
US20120177496 CEILING FAN HAVING A SINGLE FAN BLADE  
A ceiling fan including a motor having a rotating flange; a single integrally formed fan blade, wherein the fan blade includes two substantially equally weighted wing portions disposed opposite...
US20080253892 Tension Wheel Hub in a Rotor System for Wind and Water Turbines  
A rotor system for a fluid-flow turbine comprising a hub mounted on a shaft, a plurality of rotor blades, and a tension wheel, the tension wheel comprising a rim structure mounted to the hub by a...
US20090016888 DISK OF A DISK ROTOR FOR A GAS TURBINE  
Disk of a disk rotor for a gas turbine comprising a central portion (22), an intermediate portion (24), an outer portion (28), a series of axial pass-through holes (27) for a series of tie rods...
US20120057976 Downwind Type Wind Turbine  
A downwind type wind turbine having a transformer stored in a support post or in a nacelle includes the nacelle which supports a rotor and stores therein a generator, a support post which supports...
US20090074581 VERTICAL-AXIS WIND TURBINE  
A vertical-axis wind power plant employed especially for supplying electricity, pumping water or for storing potential energy. More precisely, the wind power plant of the invention comprises at...
US20080210102 REMOVABLE BLOWER FOR CONVECTION OVEN  
An convection oven with a removable blower wheel system is provided. The oven includes motor with a corresponding motor shaft, a first hub engageable with the motor shaft, a blower wheel, and a...
US20100028154 Axial flow fan  
Disclosed is an axial flow fan capable of preventing cracks from generating at parts where stress is concentrated, by improving the structure. For this, the axial flow fan includes a hub, a...
US20100028153 METHOD FOR INSTALLING A ROTOR HUB ON A ROTOR SHAFT OF A WIND ENERGY PLANT, AND A WIND ENERGY PLANT  
The present invention is related to method for installing a rotor hub on a rotor shaft of a wind energy plant, in which the following steps are consecutively performed: at the end of the rotor...
US20120156043 FAN ROTOR FOR AIR CYCLE MACHINE  
A fan rotor includes a rotor body that has plurality of fan blades for rotation about a central axis. An annular wall extends radially inward from the rotor body. A hub body extends axially from...
US20110206520 COMBINATION FAN PROPELLER STRUCTURE  
A combination fan propeller structure including a hub and at least one first blade assembly. The hub includes a top section and an annular section extending from the top section. The annular...
US20130259692 FAN WITH METALLIC HUB AND PLASTIC IMPELLER AND METHOD FOR MANUFACTURING SUCH FAN  
An exemplary fan includes a hub and an impeller. The hub is made of metal, and includes a flange. The impeller is made of plastic. The impeller is formed around the hub and has the flange embedded...
US20100003140 VENTILATOR WHEEL  
The present invention relates to a ventilator wheel comprised of a hollow-cylindrical hub with fastening flanges disposed at the circumference for the detachable mounting of ventilator blades. The...
US20090022598 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...
US20060245926 Vane coupling  
Vanes are generally hollow with a passage through which service pipes extend. These service pipes must be connected such that they can allow for thermal expansion and contraction but also anti...
US20110243731 ELASTOMERIC BEARING SYSTEM MOTION LIMITER  
The invention relates to a backing plate used for an elastomeric bearing system, the backing plate comprising a plate which defines an at least partial annulus about an axis, a motion limiter and...
US20140234109 METHOD OF MAKING A ROOT END JOINT OF A WIND TURBINE BLADE AND A ROOT SEGMENT FOR SUCH A JOINT  
A method of making a root end joint for a wind turbine. A plurality of root segments (10) are formed of a composite material. Each has an arcuate end face (11) which subtends an angle of 90° or...
US20090263253 ENGINE COMPONENTS AND ROTOR GROUPS  
Engine components and rotor groups are provided. In an embodiment, by way of example only, an engine component includes an impeller and a protective sleeve. The impeller has a bore defined by an...
US20080014089 Device For Utilizing The Kinetic Energy Of Flowing Water  
A device for utilizing the kinetic energy of flowing water with several pressure surfaces rotating around a common rotor axis. The pressure surfaces can be pivoted around axes arranged parallel to...

Matches 1 - 50 out of 275 1 2 3 4 5 6 >