Submerged hydroelectric turbines having buoyancy chambers
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03B-013/10
출원번호
US-0373466
(2007-07-13)
등록번호
US-8308422
(2012-11-13)
우선권정보
EP-06014668 (2006-07-14)
국제출원번호
PCT/EP2007/006234
(2007-07-13)
§371/§102 date
20090625
(20090625)
국제공개번호
WO2008/006601
(2008-01-17)
발명자
/ 주소
Williams, Herbert
출원인 / 주소
OpenHydro Group Limited
대리인 / 주소
Gardner, Linn, Burkhart & Flory, LLP
인용정보
피인용 횟수 :
6인용 특허 :
32
초록▼
In a hydroelectric turbine having a rotor disposed within a stator housing, the rotor having an annular outer rim received by a channel in the stator housing, the improvement comprising a buoyant rotor, the rotor preferably having buoyancy chambers disposed within the rotor. The buoyancy chambers ma
In a hydroelectric turbine having a rotor disposed within a stator housing, the rotor having an annular outer rim received by a channel in the stator housing, the improvement comprising a buoyant rotor, the rotor preferably having buoyancy chambers disposed within the rotor. The buoyancy chambers may be disposed within the annular outer rim, the blades or an annular inner rim, or combinations thereof. Preferably, the buoyancy chambers are filled with a material having a specific gravity of one or less, and most preferably the filler material is a polymer foam that adds rigidity to the rotor.
대표청구항▼
1. A fluid powered turbine of the type submerged in water, said turbine comprising a rotor, a stator housing receiving said rotor, and generator means to produce electricity, and wherein said rotor comprises an outer rim positioned on blades, and wherein one or more buoyancy chambers are disposed in
1. A fluid powered turbine of the type submerged in water, said turbine comprising a rotor, a stator housing receiving said rotor, and generator means to produce electricity, and wherein said rotor comprises an outer rim positioned on blades, and wherein one or more buoyancy chambers are disposed in said outer rim. 2. The turbine of claim 1, wherein one or more said buoyancy chambers are disposed in said blades. 3. The turbine of claim 2, wherein said rotor comprises an inner rim disposed on said blades, and wherein one or more said buoyancy chambers are disposed in said inner rim. 4. The turbine of claim 1, wherein said rotor comprises an inner rim disposed on said blades, and wherein one or more said buoyancy chambers are disposed in said inner rim. 5. The turbine of claim 4, further comprising buoyancy filler material disposed within said one or more buoyancy chambers. 6. The turbine of claim 1, further comprising buoyancy filler material disposed within said one or more buoyancy chambers. 7. The turbine of claim 6, wherein said buoyancy filler material has a specific gravity of one or less. 8. The turbine of claim 7, wherein said buoyancy filler material comprises a gas. 9. The turbine of claim 7, wherein said buoyancy filler material comprises polymer foam. 10. The turbine of claim 6, wherein said buoyancy filler material comprises a gas. 11. The turbine of claim 6, wherein said buoyancy filler material comprises polymer foam. 12. The turbine of claim 1, wherein said one or more buoyancy chambers extend completely about said rotor. 13. The turbine of claim 1, wherein said one or more buoyancy chambers comprise multiple chambers in side-to-side relationship. 14. The turbine of claim 1, wherein said one or more buoyancy chambers comprise multiple chambers in end-to-end relationship.
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