Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent
1981-02-19
1983-08-30
Capossela, Ronald C.
Stoves and furnaces
Tool having fluid fuel burner
Soldering iron
126422, 250338, 250349, 374121, 374132, F24J 302
Patent
active
044011040
ABSTRACT:
The thermal gain sensor detects, by a simplified method, the direction of net energy flow through a fluid-separation barrier (window). In particular, the sensor determines a balance point above which the radiant energy (solar, microwave, X-ray, etc.) gained through the barrier exceeds the energy lost through the barrier from the combined effects of convection and conduction.
One application of the thermal gain sensor pertains to a solar energy collector or solar heated room. The sensor controls movable insulation panels or curtains which reduce the energy flow through the collector window (barrier) when the energy flow is in the wrong direction. The sensor may be used to either maximize or minimize the energy in the collector or room.
The sensor simulates the absorptivity and convection loss of the controlled environment by means of an insulated, darkened disk slightly spaced from the barrier surface. Operation is independent of the temperatures on either side of the barrier, the width, thickness, and composition of the barrier, and, in practice, the height of the barrier. Operation is also independent of the nature of the fluid outside the barrier, and the sensor can be configured to operate with any type of fluid in the controlled environment.
REFERENCES:
patent: 2595905 (1952-05-01), Telkes
patent: 2994772 (1961-08-01), Green
patent: 3427808 (1969-02-01), Butcher
patent: 3860055 (1975-01-01), Wild
patent: 3922553 (1975-11-01), Bachmann et al.
patent: 4150552 (1979-04-01), Altman
patent: 4222367 (1980-09-01), Jubb
patent: 4250712 (1981-02-01), Meloni
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