IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0728191
(2010-03-19)
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등록번호 |
US-8446030
(2013-05-21)
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발명자
/ 주소 |
- Brown, Neal A.
- Innis, Donald A.
|
출원인 / 주소 |
|
대리인 / 주소 |
Schwabe, Williamson & Wyatt
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
9 |
초록
▼
Embodiments of the present disclosure relate to the general art of energy storage and power generation, and in particular to systems for capturing and storing energy, for instance, offshore floating ocean energy systems. In various embodiments, such systems may include a pneumatically stabilized pla
Embodiments of the present disclosure relate to the general art of energy storage and power generation, and in particular to systems for capturing and storing energy, for instance, offshore floating ocean energy systems. In various embodiments, such systems may include a pneumatically stabilized platform base coupled to a power generator and a potential energy storage device.
대표청구항
▼
1. An offshore floating energy system comprising: a pneumatically stabilized platform (PSP) including a plurality of vertical buoyancy members open at a bottom portion and a plurality of interstitial volumes defined therebetween;a renewable power generator coupled to the PSP and adapted to generate
1. An offshore floating energy system comprising: a pneumatically stabilized platform (PSP) including a plurality of vertical buoyancy members open at a bottom portion and a plurality of interstitial volumes defined therebetween;a renewable power generator coupled to the PSP and adapted to generate power based on natural conditions; andwherein the PSP serves as a potential energy storage device that stores unused or unneeded potential energy released by the renewable power generator generally in the form of pressurized air;wherein the potential energy storage device comprises a plurality of blowers configured to supply pressurized air to one or more of the vertical buoyancy members and/or interstitial volumes of the PSP, and wherein the blower is driven by power from the renewable power generator. 2. The offshore floating energy system of claim 1, wherein the renewable power generator comprises a wave energy converter (WEC). 3. The offshore floating energy system of claim 2, wherein the WEC is a Rho-Cee WEC. 4. The offshore floating energy system of claim 2, wherein the WEC is structurally integrated with, and controllably oriented by the PSP. 5. The offshore floating energy system of claim 2, wherein the WEC is comprises a plurality of oscillating water columns, wherein each oscillating column comprises a mouth, and wherein the mouth of each oscillating column is oriented substantially toward a direction from which an incident wave system approaches. 6. The offshore floating energy system of claim 1, wherein components of the renewable power generator and/or potential energy storage device are dry-serviceable from above a water surface. 7. The offshore floating energy system of claim 1, wherein the renewable power generator comprises one or more of a wind turbine, solar panel array or ocean current turbine. 8. The offshore floating energy system of claim 1, further comprising one or more air motors adapted to drive an electrical generator when the pressurized air is released from the one or more vertical buoyancy members and interstitial volumes. 9. The offshore floating energy system of claim 1, wherein the blower functions as an air-motor for driving an electrical generator when operated in reverse. 10. The offshore floating energy system of claim 1, wherein potential energy is stored by the potential energy storage device when the renewable power generator generates power in excess of a system output requirement, and wherein power is produced from the potential energy storage device when the renewable power generator generates less power than the system output requirement. 11. The offshore floating energy system of claim 1, wherein releasing potential energy from the potential energy storage device comprises heating the pressurized air before it passes through an air motor. 12. The offshore floating energy system of claim 11, wherein heat is supplied by one or more of the following heat generators: combustion of a stored hydrocarbon fuel, combustion of a stored hydrogen gas self-produced by electrolysis, interface with ambient sea-water, and electrical resistance heating using a portion of the stored potential energy. 13. A pneumatically stabilized platform (PSP)-based stored energy regeneration system comprising a system wherein air is pressurized into an internal volume of the PSP by an air forcing device driven by an electric motor for pressurizing air, wherein the air-forcing device is configured to be operable in a forward mode and in a reverse mode and functions as an air-motor for driving an electrical generator when operated in the reverse mode, and wherein the air forcing device is driven by power from a renewable power generator. 14. The pneumatically stabilized platform PSP-based stored energy regeneration system of claim 13, wherein potential energy is stored when the power generator generates power in excess of a system output requirement, and wherein potential energy is released when the power generator generates less power than the system output requirement. 15. The pneumatically stabilized platform (PSP)-based stored energy regeneration system of claim 13, wherein releasing potential energy from the stored energy regeneration system comprises heating pressurized air before it passes through an air motor. 16. The pneumatically stabilized platform (PSP)-based stored energy regeneration system of claim 15, wherein heat is supplied by combustion of a stored hydrocarbon fuel, by combustion of a stored hydrogen gas self-produced by electrolysis, by addition of warm sea-water, or by electrical resistance heating using a portion of the stored power. 17. The pneumatically stabilized platform PSP-based stored energy regeneration system of claim 13, wherein a height of a freeboard is maintained at a predetermined level. 18. The pneumatically stabilized platform (PSP)-based stored energy regeneration system of claim 17, wherein the height of the freeboard is maintained at a predetermined level by adding ballast to an interstitial space, by raising a water level in a variable buoyancy member by evacuating air from the variable buoyancy member, by adding weight to a top deck in the form of water, or by a combination thereof. 19. A method of generating and storing potential energy in a PSP, comprising: generating power using a renewable power generator coupled to the PSP; andstoring potential energy in a PSP-integrated energy storage device by pressurizing air in one or more defined volumes of the PSP, wherein pressurizing air in one or more defined volumes of the PSP comprises using an air forcing device driven by an electric motor to pressurize the air into the compartment; and driving the air forcing device by power venerated by the renewable power generator. 20. The method of claim 19, further comprising releasing the pressurized air from the PSP-integrated energy storage device through an air-motor to drive an electric generator. 21. The method of claim 19, wherein using the air-motor comprises operating the air-forcing device in a reverse mode, and wherein driving the electric generator comprises operating the electric motor in a reverse mode.
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