Double tubular thermal energy storage element

Details Double tubular thermal energy storage element Double tubular thermal energy storage element

1979-07-16

1981-02-17

Davis, Albert W.

Heat exchange

Flexible envelope or cover type

62439, 165104S, 165 49, 165 53, 126430, 219325, F28D 2100

Patent

active

042509580

ABSTRACT:
An elongated flexible elastomer or plastic double tube structure for storing heat energy includes inner and outer flexible tubes held in coaxial relationship by integral angularly spaced apart webs which divide up the annular space between the tubes into angularly spaced apart segments. The segments are filled with phase change material such as salt hydrate. The annular space is sealed at opposite ends by sealing the outer tube against the inner tube and the inner tube provides a conduit for the passage of a heat transfer fluid, such as water, through the structure.

REFERENCES:
patent: 2106263 (1938-01-01), Winter
patent: 2146058 (1939-02-01), Doyle
patent: 3462968 (1969-08-01), Puta et al.
patent: 3744272 (1973-07-01), Oldberg
patent: 4104185 (1978-08-01), Schroder

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