Cover for pond used to collect solar radiation
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United States of America Patent
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-
Sep 17, 1996
Issued Date -
N/A
app pub date -
Apr 16, 1993
filing date -
Apr 16, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cover for withstanding stormy weather and increasing solar heating of a body of water is disposed over the surface of the water. The cover is more transparent to visible radiation from the sun than to infrared radiation, and is anchored and sealed around its periphery over the surface of the body of water. Means are provided for reducing the pressure between the bottom of the cover and the top of the water to subatmospheric, and for flooding the top surface of the cover with a layer of water, and draining the layer of water from the top of the cover.
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