[특허]Thermal storage system

Aerojet Rocketdyne of DE, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Thermal storage system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-016/00 F28D-020/00
미국특허분류(USC)	060/641.8; 060/659
출원번호	US-0822689 (2010-06-24)
등록번호	US-8833076 (2014-09-16)
발명자 / 주소	Sonwane, Chandrashekhar
출원인 / 주소	Aerojet Rocketdyne of DE, Inc.
대리인 / 주소	Landau, Joel G.
인용정보	피인용 횟수 : 0 인용 특허 : 15

초록

A thermal storage system includes a first tank and a second tank thermally interfaced with the first tank. A pump is connected between the first tank and the second tank to move a fluid from the first tank to the second tank. A first heat exchanger includes a heat-exchanging portion that is located within the first tank. A second heat exchanger includes another heat-exchanging portion that is located within the second tank.

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1. A thermal storage system comprising: a first tank;a second tank thermally interfaced with the first tank by a common wall between the first tank and the second tank;a pump connected between the first tank and the second tank to move a fluid from the first tank to the second tank;a first heat exchanger having a heat-exchanging portion within the first tank;a second heat exchanger having a heat-exchanging portion within the second tank; anda turbine connected with the first heat exchanger. 2. The thermal storage system as recited in claim 1, wherein the first tank is at least substantially within the second tank. 3. The thermal storage system as recited in claim 1, further comprising a third tank, wherein the first tank is at least substantially within the second tank, and the second tank is at least substantially within the third tank. 4. The thermal storage system as recited in claim 3, further comprising another pump connected between the second tank and the third tank to move the fluid from the second tank to the third tank. 5. The thermal storage system as recited in claim 1, wherein the first tank and the second tank are each cylindrical. 6. The thermal storage system as recited in claim 1, wherein the second tank includes at least a floor and sidewalls, and the first tank is mounted above the floor of the second tank such that there is a space between the floor and the first tank. 7. The thermal storage system as recited in claim 1, further comprising an external fluid circuit connected to an inlet of the first tank and an outlet of the second tank to circulate fluid received from the second tank into the first tank. 8. The thermal storage system as recited in claim 7, further comprising a solar receiver connected within the external fluid circuit and through which the fluid can be circulated, and at least one solar collector operative to direct solar energy toward the solar receiver to heat the fluid flowing therethrough. 9. The thermal storage system as recited in claim 1, wherein each of the first tank and the second tank includes a respective circulation pump. 10. The thermal storage system as recited in claim 1, wherein the second heat exchanger is fluidly connected to the first heat exchanger. 11. The thermal storage system as recited in claim 1, further comprising additional tanks that are thermally interfaced with the second tank, wherein the additional tanks are within the second tank. 12. The thermal storage system as recited in claim 1, further comprising additional tanks that are thermally interfaced with the second tank, wherein the additional tanks are arranged around the perimeter of the second tank. 13. The thermal storage system as recited in claim 1, wherein each of the first tank and the second tank have adjustable volumes. 14. A solar power system comprising: a solar receiver through which a working fluid can be circulated;at least one solar collector operative to direct solar energy toward the solar receiver to heat the working fluid; anda thermal storage system fluidly connected with the solar receiver such that the working fluid can also be circulated through the thermal storage system, the thermal storage system including a first tank, a second tank thermally interfaced with the first tank by a common wall between the first tank and the second tank, a pump connected between the first tank and the second tank to move a fluid from the second tank to the first tank, a first heat exchanger having a heat-exchanging portion within the first tank, and a second heat exchanger having a heat-exchanging portion within the second tank. 15. The solar power system as recited in claim 14, further comprising a turbine connected with the first heat exchanger. 16. The solar power system as recited in claim 14, further comprising at least one additional thermal storage system arranged side-by-side with the thermal storage system. 17. A method for use with a thermal storage system that includes a first tank, a second tank thermally interfaced with the first tank, a pump connected between the first tank and the second tank to move a thermal storage fluid from the first tank to the second tank, a first heat exchanger having a heat-exchanging portion within the first tank, and a second heat exchanger having a heat-exchanging portion within the second tank, the method comprising: circulating the thermal storage fluid through a solar receiver and at least one solar collector operative to direct solar energy toward the solar receiver to heat the thermal storage fluid;moving the heated thermal storage fluid into the first tank and from the first tank to the second tank;heating a heat-exchanging fluid within the heat-exchanging portion of the second heat exchanger using the heated thermal storage fluid within the second tank;further heating the heat-exchanging fluid within the heat-exchanging portion of the first heat exchanger using the heated thermal storage fluid within the first tank. 18. The method as recited in claim 17, including driving a turbine using the heat-exchanging fluid. 19. The method as recited in claim 17, wherein the heated thermal storage fluid is a phase change material. 20. The method as recited in claim 17, wherein the heating of the thermal storage fluid includes heating using a second heat-exchanging fluid received from a solar receiver. 21. The thermal storage system as recited in claim 1, wherein the first tank and the second tank include a thermal storage fluid, and the thermal storage fluid is a molten salt. 22. The thermal storage system as recited in claim 1, wherein the first tank and the second tank include a thermal storage fluid, and the thermal storage fluid is a eutectic alloy. 23. The thermal storage system as recited in claim 6, wherein the first tank includes legs mounting the first tank above the floor of the second tank. 24. The thermal storage system as recited in claim 6, wherein the second tank includes a top and the first tank is mounted below the top such that there is a space between the top and the first tank. 25. The thermal storage system as recited in claim 1, wherein the second tank includes at least a floor, sidewalls and a top, and the first tank is mounted above the floor such that there is a space between the floor and the first tank and below the top such that there is a space between the top and the first tank. 26. The solar power system as recited in claim 14, wherein the first heat exchanger and the second heat exchanger are in a common closed loop. 27. The solar power system as recited in claim 14, wherein the first heat exchanger and the second heat exchanger are in independent closed loops. 28. The solar power system as recited in claim 14, wherein the first heat exchanger and the second heat exchanger contain another, different working fluid. 29. The solar power system as recited in claim 14, wherein the first heat exchanger and the second heat exchanger are closed loop. 30. The thermal storage system as recited in claim 1, wherein the first heat exchanger and the second heat exchanger are in a common closed loop. 31. The thermal storage system as recited in claim 1, wherein the first heat exchanger and the second heat exchanger are in independent closed loops. 32. The thermal storage system as recited in claim 1, wherein the first heat exchanger and the second heat exchanger contain another, different working fluid. 33. The thermal storage system as recited in claim 1, wherein the first heat exchanger and the second heat exchanger are closed loop.

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Thermal storage system

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Thermal storage system

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