Method and apparatus for collecting and domestic use of solar heat
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United States of America Patent
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-
Jul 8, 1980
Issued Date -
N/A
app pub date -
Dec 21, 1977
filing date -
Dec 21, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solar heating system utilizing planar solar collector panels having a low specific heat fluid passing therethrough transfers the heat from the low specific heat fluid to water in a thermal storage unit using a finned heat exchanger embedded in a layer of rocks. A hot water pick-up distributor collects hot water uniformly across the top of the thermal storage unit and delivers it to a water-to-air heat exchanger through which cold return air from the structure to be heated is passed in multiple passes before going through a furnace. The furnace is operated to add heat to the air stream only when the solar heating system is incapable of providing all of the heat required. A direct-feed domestic hot water preheater is also included.
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