Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1977-06-17
1979-10-02
Maslousky, Paul E.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
34 93, 126450, F24J 302
Patent
active
041694597
ABSTRACT:
A solar heating unit which is covered at the top by a glass plate and at the bottom by an insulating layer, and at a height therebetween by an absorber plate which divides the unit into an upper and lower chamber through which forced air is guided to flow in opposite directions in contact first with the top and then the bottom surface of the absorber plate. The absorber plate has a smaller spacing from the glass cover than from the bottom insulating layer so that the air flows through the upper chamber at a faster rate than through the lower chamber. Due to this design the temperature gradient of the air on the two sides of the cover plate is held relatively low and heat losses through this cover are reduced at a minimum of expense. Several portable heating units of this design may be serially connected to form a free-standing solar heating assembly, for example, for supplying drying air to a grain bin.
REFERENCES:
patent: 3412728 (1968-11-01), Thomason
patent: 3902474 (1975-09-01), Pyle
patent: 4016860 (1977-04-01), Moon
patent: 4048983 (1977-09-01), Pei
patent: 4069809 (1978-01-01), Strand
patent: 4086908 (1978-05-01), Werner
patent: 4086909 (1978-05-01), Lyon
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