Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1979-05-29
1981-06-16
Yeung, James C.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126419, 126430, 126432, F24J 302
Patent
active
042731020
ABSTRACT:
A solar energy system employing high-pressure high velocity air as the primary heat transfer medium comprises a plurality of collector panels connected in parallel with each other in a closed loop that also includes an air compressor and a heat exchanger that is connected to external energy utilization means. A self-actuating temperature-responsive air flow control valve associated with each collector panel cuts off the air flow through the panel whenever the air temperature in the panel is below a minimum threshold value and allows an increasing air flow through the panel up to a maximum as the temperature increases, maintaining the output temperature from the collector panel essentially constant for widely varying conditions of solar radiation. An air feedback circuit connects the outlet of the compressor to its inlet, bypassing the collector panels, and includes a pressure-responsive feedback control valve to assure a relatively constant total flow through the compressor. In some of the system embodiments, a thermal store is incorporated in the closed loop. A preferred construction employs a thermal feedback comprising an air/air heat exchanger connected from the outlet of the compressor to its inlet. The preferred collector panel construction utilizes a metal foil radiation absorber/air heater mounted in housing having an insulated base with the front of the housing closed by a cover formed of a thin sheet of glazing material affording a multiplicity of corrugations of generally sinusoidal configuration extending longitudinally of the housing and a manifold at each end of the housing.
REFERENCES:
patent: 3412728 (1968-11-01), Thomason
patent: 3568435 (1971-03-01), May
patent: 3986491 (1976-10-01), O'Hanlon
patent: 4010733 (1977-03-01), Moore
patent: 4103673 (1978-08-01), Woodward et al.
patent: 4103675 (1978-08-01), Bar-On et al.
patent: 4121565 (1978-10-01), Grisbrook
patent: 4123003 (1978-10-01), Winston
patent: 4154220 (1979-05-01), Loth
patent: 4209007 (1980-06-01), Collins
Jones Larry
Yeung James C.
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