[특허]Refrigerant management control and method for a thermal energy storage system

Refrigerant management control and method for a thermal energy storage system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-003/00
출원번호	US-0007234 (1993-01-21)
발명자 / 주소	Dean William J. (Grapevine TX)
출원인 / 주소	Lennox Industries Inc. (Dallas TX 02)
인용정보	피인용 횟수 : 30 인용 특허 : 0

초록 ▼

A thermal energy storage system includes a unique control arrangement to enable it to operate in three steady state operational modes, namely, ice making, direct cooling and shift cooling, as well as two transitory modes, namely hypermigration and pump out. The hypermigration mode enable the thermal energy storage system to switch into the shift cooling mode by desirably positioning the refrigerant charge in the ice module heat exchanger. The pump out mode is needed to move the refrigerant charge into the condensing unit in preparation for the direct cooling mode of operation from either the shift cooling mode or the ice making mode. The thermal energy storage permits the refrigerant charge to be in the proper location when each change in mode operation occurs.

대표청구항 ▼

A thermal energy storage system comprising a condensing unit, an ice module and an evaporator, liquid line means connecting said condensing unit to said ice module and to said evaporator and suction line means connecting said evaporator and said ice module to said condensing unit, first thermal expansion means for controlling the flow of refrigerant to said ice module, second thermal expansion means for controlling the flow of refrigerant to said evaporator, liquid line valve means for selectively blocking flow of refrigerant from the condensing unit to the second thermal expansion means, ice making valve means for selectively blocking flow of refrigerant from the condensing unit to the first thermal expansion means, liquid line check valve means in the liquid line means for permitting refrigerant flow from the condensing unit toward the ice module and evaporator, but preventing flow in the opposite direction, suction line valve means between the ice module and the condensing unit for opening and closing the suction line means, and for permitting flow of refrigerant from the ice module to the condensing unit, but preventing flow in the opposite direction, a liquid pump means in the liquid line means between the condensing unit and the ice module, a liquid pump check valve means in the liquid line means between the liquid line check valve means and the liquid pump for preventing reverse flow through the liquid pump means, a liquid receiver communicating with the liquid line means between the condensing unit and the liquid line check valve means, and an accumulator disposed in the suction line means and receiving therein a portion of the liquid line means, the liquid line means including a first line connecting the condensing unit to the ice module, with said liquid line check valve means, said liquid pump check valve means and said liquid pump being disposed in said first line.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Refrigerant management control and method for a thermal energy storage system 원문보기

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Refrigerant management control and method for a thermal energy storage system 원문보기

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