41
Thomas V Osterberg: Arrangement for hydroelectric power plants. A Betong, March 13, 1984: US04437017 (11 worldwide citation)

Hydroelectric power plant containing a flow tube for the water, an inlet tube leading to the flow tube and a discharge tube leading from the flow tube. In the flow tube a turbine is arranged to be driven by the flowing water and which via a drive shaft drives an electric generator. Accentuated sub-d ...


42
Yukinobu Yumita: Small hydroelectric power generator. Sankyo Seiki Mfg, Reed Smith, July 27, 2004: US06768218 (11 worldwide citation)

According to the small hydroelectric power generator of the present invention, each of the outer peripheral portions of the hydraulic turbine which oppose to the ejecting openings are made in an edge shape. Therefore, the ejecting openings will not be blocked by the outer peripheral portions of the ...


43
Simon Srybnik, Louis Srybnik: Transportable hydro-electric system. Nancy A Pappas, October 20, 2009: US07605490 (10 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 ...


44
Sachio Tsunoda: Pumping-up hydroelectric power plants. Tokyo Shibaura Denki Kabushiki Kaisha, Stevens Davis Miller & Mosher, October 11, 1983: US04408452 (10 worldwide citation)

In a pumping-up hydroelectric power plant comprising a single speed main pump/turbine and a booster pump operable in series in a pumping operation between an upper reservoir and a lower reservoir, a water head shared by said booster pump is varied depending on a variation in the static head between ...


45
Dyson Jacob: A hydroelectric power system. Dyson Jacob, November 5, 1997: GB2312711-A (10 worldwide citation)

Apparatus for generating electricity comprises a housing 1 which is fitted to an existing drainpipe of a building for locally generating electricity for use within the building. The housing comprises fitting brackets 3, 5 for providing a releasable seal with ends of a drainpipe so that the fluid flo ...


46
Charles Pelin: Hydro-electric power plant. Christopher Duffy, November 16, 1976: US03991563 (10 worldwide citation)

The housing of the power plant defines a chamber at a level below the surface of a surrounding body of water; and also a series of penstocks which open into the water at points between the level of the chamber and the surface of the water, and which discharge into the chamber. The hydroelectric powe ...


47
Kenneth R Broome: Apparatus for the generation of hydroelectric power and method of manufacturing and installing same. Williams and Broome, Weiser & Stapler, May 24, 1988: US04746244 (9 worldwide citation)

A hydroelectric power generating plant includes separate barges upstream and downstream of a dam, and a siphoning penstock attached to and spanning between the barges to enable fluid communication over the dam and to appropriate power generating equipment. In constructing the power generating plant, ...


48
Simon Srybnik, Louis Srybnik: Hydro-electric power generating system. Nancy A Pappas, August 28, 2007: US07262517 (8 worldwide citation)

A hydroelectric power plant for use in flowing bodies of water is described which includes a new spillway canal constructed to enhance the flow of water by increasing the water pressure. Because the canal has the angled feature on both ends, the water flow can be enhanced when backflow conditions ex ...


49
Richard D Payne, Eric E Simpson: Electrical control systems. Thamesmead Engineering, Stevens Davis Miller & Mosher, December 13, 1988: US04791309 (8 worldwide citation)

A hydroelectric power system has a reservoir (prime mover) (17) driving an electrical generator (10) which supplies a consumer load (B) and an auxiliary load (14). A control system (11) operates control (15) for the prime mover, control (13) for the auxiliary load and/or control (12) for the consume ...


50
Patrick March, Frank Adkins, R Keith Jones, Paul J Wolff: Method and apparatus for monitoring hydroelectric facility performance costs. Tennessee Valley Authority, Foley & Lardner, September 14, 1999: US05953227 (8 worldwide citation)

A method and system are provided for monitoring performance parameters of a hydroelectric power generation facility and determining economic impact of operating the facility at levels other than predetermined reference levels. Optimal or desired levels of parameters of interest are stored in a memor ...



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