Net energy transfer measurement methods, apparatus and systems w

Details Net energy transfer measurement methods, apparatus and systems w Net energy transfer measurement methods, apparatus and systems w

1981-12-23

1985-11-26

Chin, Gary

Boots, shoes, and leggings

126419, 374 29, 374 30, G01K 700

Patent

active

045557640

ABSTRACT:
Heat flux sensors respectively painted black and white and mounted to a passive solar energy window intercept solar radiation and change the temperature of part of the window. The sensors, and differentially connected thermocouples attached to them, couple data to an electronic computer by which the solar radiation, reradiation, and conduction/convection thermal loss through the undisturbed balance of the window can be deduced. The computer outputs the net energy transfer NET to a recorder, a two-state indicator, and a window insulation control unit. The circuitry of the control unit responds to an ordinary thermostat and the NET from the computer to produce a condition signal, senses the position of the insulation, and repositions the insulation when necessary in response to the condition signal. The insulation is moved to block the window when the direction of NET is into the building and the inside temperature is higher than the thermostat limit temperature, and when the direction of NET is outward and the inside temperature is lower than the thermostat limit temperature.

REFERENCES:
patent: 3348047 (1967-10-01), Clifford
patent: 3903665 (1975-09-01), Harrison
patent: 3952947 (1976-04-01), Saunders
patent: 4217646 (1980-08-01), Caltagirone et al.
patent: 4219008 (1980-08-01), Schultz
patent: 4245500 (1981-01-01), Malang

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