41
Evans Frederick Charles: Vertical-axis windmills and turbines.. Evans Frederick Charles, January 7, 1981: EP0021790-A1 (8 worldwide citation)

In a vertical axis windmill, pivoted blades (1) are interconnected through links (6) connected to a central displaceable junction (7) so that a change in pitch of one blade affects the pitch of other blades. Movement of the junction is controlled by means (8) tending to return it towards the axis of ...


42
Bruce Connelly: Solar energy power plant and method of producing electricity. JoAnne M Denison, Denison & Assocs, March 6, 2007: US07185493 (8 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 ...


43
Berggren John L: Counterbalancing assembly for air motivated device. B Edward Shlesinger Jr et al, January 1, 1974: US3782222 (8 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 ...


44
Steven J Conger: Solar array support methods and systems. P4P Holdings, Sheridan Ross PC, February 26, 2013: US08381464 (7 worldwide citation)

Systems and methods for disposing and supporting a solar panel array are disclosed. The embodiments comprise various combinations of cables, support columns, and pod constructions in which to support solar panels. The solar panels can incorporate single or dual tracking capabilities to enhance sunli ...


45
Steven J Conger: Solar array support methods and systems. P4P Holdings, Sheridan Ross PC, April 30, 2013: US08429861 (7 worldwide citation)

Systems and methods for disposing and supporting a solar panel array are disclosed. The embodiments comprise various combinations of cables, support columns, and pod constructions in which to support solar panels. The solar panels can incorporate single or dual tracking capabilities to enhance sunli ...


46
Robert M Berenda, Jack E Ferenci: Energy recovery system including a flow guide apparatus. Buchanan Ingersoll & Rooney PC, May 26, 2009: US07538447 (7 worldwide citation)

An energy recovery system includes a ventilation system of a defined area, at least one windmill located exterior to the defined area and at least one flow guide apparatus positioned between the at least one exhaust and the at least one windmill. The ventilation system has at least one exhaust from ...


47
Christopher N Tupper, Duncan G Wood: Brushless high-frequency alternator and excitation method for three-phase AC power-frequency generation. Raven Energy Alternatives, Verrill Dana, Chris A Caseiro, November 10, 2009: US07615904 (7 worldwide citation)

A method is disclosed for arranging and exciting the stator, rotor and various windings of a multi-stage brushless high frequency alternator so that the resulting multiple high frequency sub-phase armature winding outputs can be rectified and commutated into three phase power frequency alternating c ...


48
Bourriaud Michel Edouard Raymo: Wind power plant with vertical-axis windmills.. Bourriaud Michel Edouard Raymo, February 17, 1982: EP0046122-A2 (7 worldwide citation)

1. A wind power plant having one or more turbines the rotation axis or axes of which are disposed vertically, each turbine including a rotor (3) having a plurality of orientable blades (4, 23, 36) disposed parallel to the rotor axis and the incidence angle of which relative to the direction of the i ...


49
Yoshida Shigeo, Shiraishi Takashi: Hybrid power generation system. Fuji Heavy, December 3, 2003: JP2003-343416 (7 worldwide citation)

PROBLEM TO BE SOLVED: To restrain fuel consumption of a diesel power generation device to reduce a power generation cost, in a wind power/diesel-based hybrid power generation system. SOLUTION: This hybrid power generation system 1 is provided with: a wind power generation device 10 having a pluralit ...


50
Paul H F Merswolke, Thomas B Gardner: Wind powered hydroelectric power plant and method of operation thereof. New World Generation, Daryl W Schnurr, January 6, 2004: US06672054 (7 worldwide citation)

A hydroelectric power plant uses a plurality of windmills connected to compressed air generators to produce pressurized air. Pressurized air is used to drive water through a turbine to produce electrical power. The water is recycled and the power plant includes reserve pressurized air tanks to allow ...



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