[특허]Phase change heat exchanger

Phase change heat exchanger 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28D-020/00
출원번호	US-0957654 (1992-10-07)
발명자 / 주소	Longardner Robert L. (Indianapolis IN) Longardner William J. (Carmel IN)
출원인 / 주소	Shape, Inc. (Indianapolis IN 02)
인용정보	피인용 횟수 : 56 인용 특허 : 0

초록 ▼

A heat exchanger for a phase change material is provided which comprises a container holding the phase change material, a tube surrounding the container to define an annular space therebetween, and at least two divider walls extending across the annular space to divide the annular space into at least upper and lower flow passageways. The heat exchanger can preferably be operated in either a melt cycle or a freeze cycle. In the melt cycle, the lower flow passageway is configured to receive heat exchange fluid to initiate melting of the phase change material from the bottom so that newly-formed liquid phase change material is displaced toward the top of the container. In the freeze cycle, the upper flow passageway receives heat exchange fluid to initiate freezing of the phase change material at the top. The newly-formed solid phase change material falls to the bottom of the container, displacing liquid phase change material toward the top.

대표청구항 ▼

A heat exchanger for a phase change material having a solid density greater than its liquid density, the heat exchanger comprising a container holding the phase change material, a tube surrounding the container to define an annular space therebetween, means for connecting the tube in fluid communication with a first source of heat exchange fluid to allow heat exchange fluid to flow through the annular space to exchange heat with the phase change material, and at least two divider walls extending between the tube and the container across the annular space to divide the annular space into at least a lower flow passageway for receiving heat exchange fluid from the first source at a temperature sufficient to initiate melting of the phase change material and an upper flow passageway for receiving heat exchange fluid from the lower flow passageway to flow in counterflow relationship with the heat exchange fluid flowing in the lower passageway so that the phase change material is melted from the bottom as it moves to a lower portion of the container to cause newly-formed liquid phase change material to be displaced to an upper portion of the container.

이 특허를 인용한 특허 (56)

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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