Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1980-03-03
1982-03-23
O'Connor, Daniel J.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126449, 126900, F24J 302
Patent
active
043207430
ABSTRACT:
A solar collector for a solar energy system comprises a solar absorber for converting solar radiation into heat, a heat transfer fluid for transferring heat from the solar absorber, at least one passage for flow of the fluid in contact with the solar absorber surface, and apparatus for creating a relative vacuum in the at least one passage so as to minimize the creation of a stagnant boundary layer of the fluid when it is pumped through the at least one passage. The at least one passage is preferably formed by a convoluted surface on the solar absorber which defines at least one groove, and a flexible sheet which overlies the convoluted surface and sealingly engages the surface through the action of a vacuum. The heat transfer fluid preferably is selected from the group of mineral oil, aliphatic hydrocarbon oils, and silicone oils.
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