[특허]Hybrid wind-hydro power plant

[미국특허] Hybrid wind-hydro power plant 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H03B-013/00
출원번호	US-0828728 (1997-03-24)
발명자 / 주소	Youssef Wasfi
인용정보	피인용 횟수 : 68 인용 특허 : 7

초록 ▼

In one application of this method, one or more water pumps, each powered directly by a windmill, lift water from downstream of a river, stream, or creek to upstream of a dam at which a hydropower plant is installed. The windmill may be of the vertical-axis or horizontal. Upon demand, the lifted water is used to generate electricity utilizing the hydropower plant. An adjustable weir is constructed across the river, stream, or creek downstream the windmill, whose function is to create a reservoir or pool from which water can be pumped and to regulate the flow of water downstream. The adjustable weir can be raised or lowered by means of a jack or jacks that are controlled by a computer. In another application of this invention, one or more water pumps, each powered directly by a windmill is installed at sites having 2 nearby bodies of water, one higher than the other. The bodies of water may be natural or artificial. The water pump lifts water from the low water to the high water, where it is stored as potential energy. Upon demand, the lifted water can be used to generate electricity utilizing a conventional hydropower plant.

대표청구항 ▼

[ I claim:] [1.] A hybrid wind-hydro power plant in which a difference between two water levels is utilized to generate an electrical power, comprising:a first water reservoir located at a high level;a second water reservoir located at a low level;an equipment for pumping water from said second low reservoir to said first high reservoir consisting of: (a) a water pump positioned in said second reservoir for pumping water to said first reservoir, (b) a penstock from said pump to said first reservoir, which has a non-return valve to allow water flow upstream but not downstream, and (c) a windmill with a rotational shaft coupled directly to said water pump to rotate said water pump and act as a prime mover for said water pump;a hydraulic turbine installed to receive water via penstock from said first reservoir and to discharge said water to said second reservoir and to convert said water's kinetic energy into mechanical energy of turbine rotation;an electrical generator coupled to said turbine and rotated by said turbine to produce electrical energy.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Mayo ; Jr. Howard A. (York PA), Adjustable draft tube.
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Scieri Frank (85 W. 18th St. Deer Park NY 11729) Miller Richard L. (Woolworth Bldg. ; 233 Broadway ; Ste. 3612 New York NY 10007), Hydro electric generating system.
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Brown ; Henry C., Wave-powered, pivoted float pumping system with increasing opposition to extreme movement of lever arm.
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Hanley John (P.O. Box 1423 Conrad MT 59425), Wind wheel apparatus for use with a hydro-electric dam.
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[미국특허] Hybrid wind-hydro power plant 원문보기

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