Stoves and furnaces – Heaters – Surface
Patent
1975-02-26
1977-02-08
Sprague, Kenneth W.
Stoves and furnaces
Heaters
Surface
350 1, F24J 302
Patent
active
040067300
ABSTRACT:
Apparatus, for storing energy from incident electromagnetic radiation, hag an electromagnetic radiation energy absorbing means; an optical reflection filter having a substantially greater reflectance of electromagnetic radiation of longer than of shorter wavelengths and a substantially greater transmission for electromagnetic radiation of visible and shorter wavelengths than it has for electromagnetic radiation of wavelengths greater than those of the visible spectrum, the filter being positioned relative to the said energy absorbing means so that incident electromagnetic radiation can pass through the filter to reach the absorbing means, but energy re-emitted by the absorbing means in the direction of the filter is substantially returned by the filter to the absorbing means; an output channel for drawing off energy from the energy absorbing means; and means for restricting the outflow of energy otherwise from the energy absorbing means.
REFERENCES:
patent: 1722368 (1929-07-01), Comstock
patent: 3000375 (1961-09-01), Golay
patent: 3173801 (1965-03-01), Lipkis et al.
patent: 3176679 (1965-04-01), Langley
patent: 3272986 (1966-09-01), Schmidt
Clapham Peter Brian
Hutley Michael Christopher
Sprague Kenneth W.
The Secretary of State for Industry in Her Britannic Majesty's
Yeung James C.
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