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Simon Srybnik, Louis Srybnik: Transportable hydro-electric generating system with improved water pressure enhancement feature. Nancy A Pappas, December 16, 2008: US07466035 (12 worldwide citation)

The invention is a transportable hydroelectric power generating system which is capable of being fully or partially assembled in a factory setting and then transported to a water stream. The system includes water channeling features which enhance the pressure within the system that the water exerts ...


33
Dolder Guido, Schmalzi Alfred: Butterfly valve. Escher Wyss, Ostmann Robert A, Dodge Austin P, February 26, 1974: US3794288 (12 worldwide citation)

Butterfly valve for ducts of hydroelectric power stations, with a web in said duct, extending transversely of said duct and being rigidly secured to said duct, and a flap pivotably mounted on said web; a drive mechanism comprising a servo-motor and first connecting means between said flap and said s ...


34
William Lowell Kelly: Apparatus for hydroelectric power production expansion. Diller Ramik & Wight, January 20, 2009: US07478974 (11 worldwide citation)

Normally hydroelectric dam powerhouses use river flow once before discharging it as turbulent tailwater, ineffective to spin turbines. The present invention uses tapered channels to confine and constrict turbulent tailwater into laminar flow that drives turbines both submersible and floatable utiliz ...


35
Arthur F Johnson: Methods for producing hydroelectric power. September 3, 1996: US05551237 (11 worldwide citation)

A process of converting steam to hydro-electric power through a process of allowing steam to displace water from a tank for operating a turbine or pelton wheel. The process allows hydro-electric power to be generated at a greatly increased efficiency. Preferably, two concrete, underground chambers a ...


36
Othon Luiz Pinheiro da Silva: Immersed magnet ring secured to radially outermost ends of hydraulic turbine blades and gap between rotor and stator filled with water. Aratec Engenharia Consultoria e Representacoes Ltda, Ronald E Smith, Smith & Hopen P A, October 23, 2012: US08294290 (11 worldwide citation)

“IMPROVEMENT IN ELECTRICAL EQUIPMENT GENERATOR OF ELECTRICAL POWER”, the invention herein refers to improvements in electrical power generating equipment which, due to the construction adopted, allows simplified maintenance at reduced frequency; in addition to useful application in several types of ...


37
Peter M Borgren: Portable hydrogenerating apparatus. Hydrodynamic Energy Systems, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, April 13, 1982: US04324984 (11 worldwide citation)

Apparatus for generating hydroelectric power comprising a portable collector tube assembly which can be transported to the site of a water source having a waterfall sufficient in magnitude to provide a pressure head for driving a turbine generator. The tube assembly comprises telescopically arranged ...


38
Arthur M Wolf: Siphon hydroelectric generator. Leydig Voit & Mayer, March 19, 2002: US06359347 (11 worldwide citation)

A method and apparatus for generating hydroelectric power from a water source by lifting water from a relatively lower position to a second relatively raised position. The water is moved in a generally upward direction stepwise from a lowermost tier to an uppermost tier in a plurality of stacked tie ...


39
David Matthew Carrillo: Underground hydroelectric plant. David Matthew Carrillo, May 28, 2002: US06396162 (11 worldwide citation)

An underground hydroelectric power plant for use adjacent to rivers, which utilizes an underground water tank connected to multiple underground penstocks. The said penstocks will carry water to underground turbines, which will operate generators for the generation of electricity. This electric energ ...


40
Francisco J G Atencio: Submersible diffuser. Emory L Groff Jr, February 14, 1978: US04073146 (11 worldwide citation)

Submersible diffuser for a hydroelectric power plant includes chambers defined in its lateral wall and which can be filled with water to sink the diffuser or with gas to float it; additionally, the diffuser has lateral rollers. The hydroelectric power plant is provided with guide surfaces positioned ...



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