[특허]Heat storage system

Danfoss A/S

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Heat storage system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28D-015/00 F24J-002/04 F24D-017/02 F24D-011/02 F24D-019/10
출원번호	US-0391889 (2010-08-24)
등록번호	US-9175865 (2015-11-03)
우선권정보	DK-PA 2009 00957 (2009-08-25)
국제출원번호	PCT/DK2010/000119 (2010-08-24)
§371/§102 date	20120719 (20120719)
국제공개번호	WO2011/023193 (2011-03-03)
발명자 / 주소	Kristjansson, Halldor
출원인 / 주소	Danfoss A/S
대리인 / 주소	McCormick, Paulding & Huber LLP
인용정보	피인용 횟수 : 1 인용 특허 : 14

초록
▼

The invention relates to a thermal energy storage system comprising at least one thermal reservoir and at least one thermal energy transfer means that, at least at times, are able to transfer thermal energy from at least one first section of the thermal reservoir to at least one second section of the thermal reservoir. The invention also relates to a method changing the energy distribution of a thermal reservoir wherein thermal energy is transferred from at least one first section of the thermal reservoir to at least one second section of the thermal res...

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1. A thermal energy storage system comprising: at least one thermal reservoir; andat least one active thermal energy transfer means that, at least at times, transfers thermal energy from at least one low-temperature section of the thermal reservoir to at least one high-temperature section of the thermal reservoir;wherein the at least one thermal reservoir comprises an outlet at a middle portion of the at least one thermal reservoir between the at least one low-temperature section and the at least one high-temperature section, the outlet of the at least one thermal reservoir splitting into a high-temperature supply line directly supplying fluid from the outlet of the at least one thermal reservoir to a high-temperature part of the at least one active thermal energy transfer means and a low-temperature supply line directly supplying fluid from the outlet of the at least one thermal reservoir to a low-temperature part of the at least one active thermal energy transfer means;wherein the low-temperature part of the at least one active thermal energy transfer means is fluidly connected to a low-temperature part return line connected to the at least one low-temperature section of the thermal reservoir and pumps fluid from the outlet of the at least one thermal reservoir to the at least one low-temperature section of the thermal reservoir;wherein the high-temperature part of the at least one active thermal energy transfer means is fluidly connected to a high-temperature part return line connected to the at least one high-temperature section of the thermal reservoir and pumps fluid from the outlet of the at least one thermal reservoir to the at least one high-temperature section of the thermal reservoir; andwherein the at least one active thermal energy transfer means transports heat from fluid from the low temperature supply line to fluid from the high temperature supply line so that the low-temperature part of the at least one active thermal energy transfer means pumps cooled fluid to the at least one low-temperature section of the thermal reservoir, and the high-temperature part of the at least one active thermal energy transfer means pumps heated fluid to the at least one high-temperature section of the thermal reservoir. 2. The thermal energy storage system as claimed in claim 1, wherein the low-temperature section and the high-temperature section of the at least one thermal reservoir are positioned distant from each other. 3. The thermal energy storage system as claimed in claim 1, further comprising at least one thermal energy source that, at least at times, adds thermal energy to the at least one thermal reservoir. 4. The thermal energy storage system as claimed in claim 3, wherein the at least one thermal energy source is selected from the group consisting of solar collectors, thermal solar collectors, distributed heating networks, fuel heaters, aerial heat pumps, groundwater heat pumps, geothermal heat pumps, fuel cells and electric heaters. 5. The thermal energy storage system as claimed in claim 1, wherein the at least one active thermal energy transfer means comprises a unit selected from the group consisting of Peltier-elements and heat pumps. 6. The thermal energy storage system as claimed in claim 1, wherein the at least one thermal reservoir comprises a fluid. 7. The thermal energy storage system as claimed in claim 5, wherein the active thermal energy transfer means comprises the low-temperature part and the high-temperature part,wherein the active thermal energy transfer means transfers thermal energy from the low-temperature part to the high-temperature part,wherein the low-temperature part, at least at times, draws fluid from the at least one thermal reservoir via the low-temperature supply line and/or the high-temperature part, at least at times, draws fluid from the at least one thermal reservoir via the high-temperature supply line. 8. The thermal energy storage system as claimed in claim 7 wherein the low-temperature part and/or the high-temperature part of the active thermal energy transfer means, at least at times, supplies fluid to the at least one thermal reservoir having a different temperature level than the average temperature level in the at least one thermal reservoir. 9. A heating system for providing thermal energy supply to a building wherein it comprises a heat storage system as claimed in claim 1. 10. The thermal energy storage system of claim 1, wherein thermal energy is transferred by fluid flowing between a third temperature section and at least one of the high-temperature section and the low temperature section of the thermal reservoir, the third temperature section being a section of the thermal reservoir other than the high-temperature section and the low-temperature section. 11. A method for changing the energy distribution of a thermal reservoir, comprising: transferring thermal energy from at least one low-temperature section of the thermal reservoir to at least one high-temperature section of the thermal reservoir;wherein the transfer of thermal energy at least in part and/or at times is performed by an active thermal energy transfer means connected to an outlet at a middle portion of the thermal reservoir between the at least one low-temperature section and the at least one high-temperature section; andwherein the outlet splits into a high-temperature supply line directly supplying fluid from the outlet of the thermal reservoir to a high-temperature part of the active thermal energy transfer means, and a low-temperature supply line directly supplying fluid from the outlet of the thermal reservoir to a low-temperature part of the active thermal energy transfer means;wherein the low-temperature part of the at least one active thermal energy transfer means is fluidly connected to a low-temperature part return line connected to the at least one low-temperature section of the thermal reservoir and pumps fluid from the outlet of the at least one thermal reservoir to the at least one low-temperature section of the thermal reservoir;wherein the high-temperature part of the at least one active thermal energy transfer means is fluidly connected to a high-temperature part return line connected to the at least one high-temperature section of the thermal reservoir and pumps fluid from the outlet of the at least one thermal reservoir to the at least one high-temperature section of the thermal reservoir; andwherein the at least one active thermal energy transfer means transports heat from fluid from the low temperature supply line to fluid from the high temperature supply line so that the low-temperature part of the at least one active thermal energy transfer means pumps cooled fluid to the at least one low-temperature section of the thermal reservoir, and the high-temperature part of the at least one active thermal energy transfer means pumps heated fluid to the at least one high-temperature section of the thermal reservoir. 12. The method according to claim 11, wherein at least in part and/or at least at times a thermal energy transfer is performed by fluid flow between at least one third section of the thermal reservoir and the at least one low-temperature section of the thermal reservoir and/or the at least one high-temperature section of the thermal reservoir. 13. The method according to claim 11, wherein, at least at times, no thermal energy is fluidly added to the thermal reservoir by a thermal energy source in fluid connection with the thermal reservoir aside from any thermal energy that may be added due to work done by the active thermal energy transfer means and/or no thermal energy is fluidly removed from the thermal reservoir by a thermal energy consumer in fluid connection with the thermal reservoir. 14. A thermal energy storage system comprising: at least one thermal reservoir; andat least one heat pump that, at least at times, transfers thermal energy from at least one low-temperature section of the thermal reservoir to at least one high-temperature section of the thermal reservoir;wherein the at least one thermal reservoir comprises an outlet at a middle portion of the thermal reservoir between the at least one low-temperature section and the at least one high-temperature section, the outlet of the thermal reservoir splitting into a high-temperature supply line directly supplying fluid from the outlet of the at least one thermal reservoir to a high-temperature part of the at least one heat pump, and a low-temperature supply line directly supplying fluid from the outlet of the at least one thermal reservoir to a low-temperature part of the at least one heat pump;wherein the low-temperature part of the at least one heat pump is fluidly connected to a low-temperature part return line connected to the at least one low-temperature section of the thermal reservoir and pumps fluid from the outlet of the at least one thermal reservoir to the at least one low-temperature section of the thermal reservoir;wherein the high-temperature part of the at least one heat pump is fluidly connected to a high-temperature part return line connected to the at least one high-temperature section of the thermal reservoir and pumps fluid from the outlet of the at least one thermal reservoir to the at least one high-temperature section of the thermal reservoir; andwherein the at least one active thermal energy transfer means transports heat from fluid from the low temperature supply line to fluid from the high temperature supply line so that the low-temperature part of the at least one active thermal energy transfer means pumps cooled fluid to the at least one low-temperature section of the thermal reservoir, and the high-temperature part of the at least one active thermal energy transfer means pumps heated fluid to the at least one high-temperature section of the thermal reservoir. 15. The thermal energy storage system as claimed in claim 14, wherein thermal energy is transferred by fluid flowing between a third temperature section and at least one of the high-temperature section and the low temperature section of the thermal reservoir, the third temperature section being a section of the thermal reservoir other than the high-temperature section and the low-temperature section.

이 특허에 인용된 특허 (14)

이 특허를 인용한 특허 피인용횟수: 1

Kacar, Sukrija; Adzaga, Marko; Zupanic, Franc Zeljko. Electric heating system, a control head and a heating liquid. USP2016089423151.

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Heat storage system

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Heat storage system

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이 특허에 인용된 특허 (14)

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