Vacuum solar collectors

Details Vacuum solar collectors Vacuum solar collectors

1976-04-08

1978-01-24

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

237 1A, F24J 302

Patent

active

040698106

ABSTRACT:
A solar collector, comprises: a tubular housing of radiation-transparent material hermetically closed at one end; a smaller-diameter tubular absorber having a radiation-absorbing surface, the absorber being coaxially disposed within the tubular housing and hermetically closed at one end; the opposite ends of the tubular housing and absorber being sealed together, and the space between the two being evacuated; and heat-extracting means for passing a heat-exchange medium through said opposite end of the tubular absorber into the interior thereof to extract heat therefrom.

REFERENCES:
patent: 1068650 (1913-07-01), Harrison
patent: 2917817 (1959-12-01), Tabor
patent: 3875926 (1975-04-01), Frank
patent: 3952724 (1976-04-01), Pei
patent: 3961619 (1976-06-01), Estes et al.
patent: 4002160 (1977-01-01), Mather, Jr.
Aloe Scientific, St. Louis, Mo., Catalog No. 103, p. 176, Item No. 18760 cited.
Elmer and Amend., N.Y., Catalogue 1907, p. 106, Item No. 2822 cited.

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