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| Number | Title | Issue Date |
| 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 by means of a flange connection (18). Th... | 02/28/2012 |
| 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 which has a tilted part at the upper and lower ends respectively are disp... | 04/22/2008 |
| 7144214 | Rotor supporting structure of windmill for power generation A windmill 10 includes a frame 11 and a rotor 12 provided rotatively around the vertical shaft center. The rotor includes bosses 23, 24 located above and below, plural transversal blades 25 extending radially from the bosses, longi... | 12/05/2006 |
| 7121505 | Method of control for toy aircraft The invention described here offers a low-cost method of remote flight control suitable for use in toy airplanes and ornithopters (flapping-wing aircraft). To accomplish this, the aircraft is powered by a reversible electric motor. The propeller or flapping wing pro... | 10/17/2006 |
| 6997681 | Adjustable air seal on a fan hub An axial flow fan has a hub with a plurality of hub struts extending radially from the hub for mounting a blade on the end of each hub strut. Inner and outer studs extend in the axial direction of the fan on each of the hub struts. An air seal covers the hub struts,... | 02/14/2006 |
| 6913435 | Integrated vane for use in wind or water and process for producing same In an integrated vane 1 for use in wind or water, main blades 3 arranged around an axial shaft 2 of the vane and support blades 4 for joining the main blades to the axial shaft are integrally formed with light and high strength fiber mate... | 07/05/2005 |
| 6447252 | Rotor-shaft connector An annular connector for connecting a rotor and shaft, has an axial cross sectional profile which approximates a serpentine form. The shape defines only obtuse angles and curves, so that during rotation of the assembly, stress variations in the connector ... | 09/10/2002 |
| 5299913 | Wind power plant A wind power plant for harnessing wind power includes a tower; a plurality of upright rotor blades spaced apart circumferentially and spaced radially from a rotational axis; and a supporting structure for the rotor blades leading from the tower to the rot... | 04/05/1994 |
| 5207558 | Thermally actuated vane flow control Thermally actuated flow diverters for gas turbine engines are provided which include an arrangement of vanes in spaced overlapping array, which direct, e.g. coolant air flow to rotating engine components, each vane having 3 foil components joined at 3 hin... | 05/04/1993 |
