Thermal insulating shade

Details Thermal insulating shade Thermal insulating shade

1988-06-09

1991-01-22

Ford, John

Heat exchange

With vehicle feature

165 46, 165 47, 165135, 165 97, 126426, 126429, 1603702, 160DIG2, 296 977, F24J 236, E06B 394, A47H 500

Patent

active

049863436

ABSTRACT:
A thermal insulating shade for interior use comprises at least one envelope with substantially parallel side panels which hold insulating air therebetween, at least one of the side panels having a highly reflective surface for reflecting away the sun's heat in summer, and, by reversing the shade, retaining interior heat in winter. The shade may be mounted in spaced relationship to any inadequately insulated interior surface such as a window, roof or door of a building or automobile. The shade envelope may have its air space filled with static air with or without porous insulating foam, or controlled air movement through the shade may be provided. Alternatively, the insulating shade may be formed of two envelopes, one inside the other, or of twin envelopes having a common center wall therebetween; in these embodiments, air may be pumped alternately into and removed from each envelope in turn to provide enhanced insulating effectiveness.

REFERENCES:
patent: 2998817 (1961-09-01), Armstrong
patent: 3585812 (1971-06-01), Parker
patent: 3943726 (1976-03-01), Miller
patent: 4020826 (1977-05-01), Mole
patent: 4054125 (1977-10-01), Eckels
patent: 4182307 (1980-01-01), Brindle et al.
patent: 4784215 (1988-04-01), Sing

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