Vacuum window for solar transmission

Details Vacuum window for solar transmission Vacuum window for solar transmission

1978-04-10

1980-01-22

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

52200, 52796, 52630, 52788, F24J 302, E04B 718

Patent

active

041844807

ABSTRACT:
A conventional flat plate solar heat collector is provided with a contoured vacuum insulation window supported solely about its peripheral edge portions. The window is a composite formed from a pair of minimum thickness complementarily contoured glass sheets, which with the exception of their peripheral portions which are sealed together, are spaced apart from one another so as to provide an evacuated chamber therebetween and thus insulate one sheet from the other. The window formed by the nested or complementary contoured glass sheets is contoured in both its longitudinal and lateral directions, such that in its longitudinal direction the window is composed of a plurality of sinusoidal corrugations whereas in its lateral direction the peaks of such corrugations are contoured in the form of paraboloids so as to provide maximum uniform tensile strength to the window such that it may withstand the forces generated thereon by the atmosphere.

REFERENCES:
patent: 1124778 (1915-01-01), Meuler
patent: 1801710 (1931-04-01), Abbot
patent: 2316993 (1943-04-01), Sherwood

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