Solar energy collector

Stoves and furnaces – Tool having fluid fuel burner – Curling iron

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126418, 126451, 126901, 165 82, 165154, 285138, 285187, F24J 302, F28F 700, F16L 5500

Patent

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041867254

ABSTRACT:
A solar energy collector comprises a metal tube through which solar-heated fluids may pass. The metal tube is maintained in a high vacuum environment, in the order of 10.sup.-6 torr, by a coaxial transparent glass tube and a pair of metal bellows sealing the ends of the glass tube to the metal tube in flexible seals designed to accommodate relative radial and linear expansion of the glass. The metal tube may be coated with a suitable absorption layer and the assembly of the metal and glass tubes may form a part of a solar system, such, for example, as a nonimaging concentrator in which the tubes are positioned longitudinally of and within an elongated parabolic reflector.

REFERENCES:
patent: Re29833 (1978-11-01), Mlavsky
patent: 2831326 (1958-04-01), Richards et al.
patent: 3068026 (1962-12-01), McKamey
patent: 3207533 (1965-09-01), Van Gundy et al.
patent: 3227153 (1966-01-01), Godel et al.
patent: 3916871 (1975-11-01), Estes et al.
patent: 4016860 (1977-04-01), Moan
patent: 4018215 (1977-04-01), Pei
patent: 4059093 (1977-11-01), Knowles et al.
patent: 4099746 (1978-07-01), Kontsch

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