31
Bruce Connelly: Solar energy power plant and method of producing electricity. JoAnne M Denison, Denison & Assocs, March 6, 2007: US07185493 (11 worldwide citation)

A power plant that uses a lens to focus solar energy onto a closed system loop is disclosed wherein a closed loop system is provided having a chamber that converts a liquid into a gas by absorbing heat. The heat being created has been generated by the focused solar energy. The gas drives a turbine e ...


32
Ben M Enis, Paul Lieberman: Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid. J John Shimazaki, July 31, 2007: US07250691 (10 worldwide citation)

The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continuous basis, to locations remote from an electrical power grid ...


33
Vinod Kumar Chamanlal Kariya: Vertical axis windmill with guiding devices. Anandbhai Chunilal Vora, Caesar Rivise Bernstein Cohen & Pokotilow, January 11, 2011: US07866938 (10 worldwide citation)

The instant invention deals with the solution to technical flaws of existing vertical axis windmills in which the wind strikes simultaneously on inward and outward facing sides of rotor blades which reduce efficiency. Hence, this invention, i.e., the vertical axis windmill with wind guiding device, ...


34
Peter C Heidt: Floating power generation assemblies and methods. February 23, 1982: US04316704 (10 worldwide citation)

Floating-on-a-body-of-water compressed-air-generating assemblies and methods are disclosed which are utilized to drive electrical generators powered by compressed air. The integrated assembly utilizes windmills, reciprocating float-linkage means, collapsible paddle blades, and at least one member se ...


35
Improvements in or relating to wind-driven prime movers. Kurt Bilau, May 27, 1926: GB252461-A (10 worldwide citation)

252,461. Aero-Dynamos, Ltd., (Bilau, K.). Feb. 27, 1925. Regulating. - Windmills are regulated by varying the effective radius of the sail vanes without actually varying their sail area, and also, if desired, by auxiliary braking means such as slots formed between displaced sections of the vane, wit ...


36
Improvements in or relating to horizontally operating windmills. Bunji Hashimoto, Yukiteru Ozaki, September 21, 1922: GB185939-A (10 worldwide citation)

185,939. Hashimoto, B., and Ozaki, Y. Aug. 19, 1921. Radial-flow (bladed) type; working-fluid supply; casings.-A windmill has a rotor mounted on a vertical shaft 15 and provided with vanes 16 mounted between horizontal partitions 14. A surrounding stator is provided with directing- vanes 1 mounted b ...


37
William D Allison: Blade for windmill. Fisher Gerhardt & Groh, October 23, 1979: US04171929 (9 worldwide citation)

A blade for windmills fabricated of sheet metal to form a generally hollow structure containing a reinforcing member. The surfaces of the blade are such that the forward surface is flat and rear of the blade is formed by two surfaces which extend in opposite directions from a line extending from a r ...


38
Biebl Hans Dipl Ing, Poetsch Karl: Wind power wheel current generator.. Siemens, June 17, 1981: EP0030357-A2 (9 worldwide citation)

In order to avoid costly drives, particularly in the case of smaller windmills which are used as current generators, and to achieve high reliability, freedom from maintenance and high efficiency with a simple, compact construction, a windmill is provided with a Savonius rotor (1) which is provided w ...


39
Andersen Henning: A power plant, a windmill, and a method of producing electrical power from wind energy. Elsam, March 22, 2006: EP1637733-A1 (9 worldwide citation)

Power plant (10) for the generation of electrical power using wind power or wind energy, comprising a plurality of windmills (12,14,16) each comprising a mill tower, a rotor (18,20,22) with a shaft (32) being rotatably journalled in said mill tower, a fluid pressure generator (34) mounted in said mi ...


40
Berggren John L: Counterbalancing assembly for air motivated device. B Edward Shlesinger Jr et al, January 1, 1974: US3782222 (9 worldwide citation)

This invention is a counterbalancing assembly for air motivated devices such as windmills, for use in pumping water or other liquids from wells. The assembly includes arms extending outwardly from opposite sides of the reciprocating lifting rod of the windmill. The arms are affixed to rotatable disc ...