41
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 ...


42
Peter J Panopoulos, Gordon Paul Ramsey: Sensor-based controllable LED lighting system with repositionable components and method. Peter Panopoulos, Nyman IP, Scott Nyman, April 18, 2017: US09629220 (11 worldwide citation)

A lighting system is provided having a movement system, a light source repositionable via the movement system, a sensor, a controller, and a communication system. The controller may control characteristics of the light emitted by the light source, rotation of the panel by the movement system, and re ...


43
Dyson Jacob: A hydroelectric power system. Dyson Jacob, November 5, 1997: GB2312711-A (11 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 ...


44
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 ...


45
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 ...


46
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 ...


47
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 ...


48
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, ...


49
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 ...


50
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 ...