Window for solar receiver for a solar-powered hot gas engine

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

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Details

126441, 126450, F24J 302

Patent

active

044755384

ABSTRACT:
The solar receiver for use e.g. with a solar-powered Stirling-type hot gas engine includes an internally mounted fused silica window for sealing the receiver aperture against thermal energy convection losses. The window has a folded cone configuration with an inverted radially outer truncated conical window member, and a radially inner conical window member joined at the base to the smaller base of the outer member. The larger base of the outer conical member is attached to the receiver housing to surround the aperture, and the angle of revolution of both members is about 20.degree.. At least 50% of the solar radiation escaping the receiver through the aperture undergoes at least three reflections prior to escaping.

REFERENCES:
patent: 3208447 (1965-09-01), Laszlo
patent: 3841302 (1974-10-01), Falbel
patent: 4019496 (1977-04-01), Cummings
patent: 4076015 (1978-02-01), Mattson
patent: 4078548 (1978-03-01), Kapany
patent: 4106479 (1978-08-01), Rogers
patent: 4136670 (1979-01-01), Davis
patent: 4240692 (1980-12-01), Winston
patent: 4321910 (1982-03-01), Devienne
patent: 4345645 (1982-08-01), Bratt
patent: 4356813 (1982-11-01), Hoffman
patent: 4395879 (1983-08-01), Berntell
patent: 4402306 (1983-09-01), McElroy
"Dish Stirling Solar Receiver Program Final Report", Doc. No. ER 79917-3, Dec. 15, 1980, Including pp. i-ix, 1-16, Enclosure pp, 1-4 of ER 79917-2 (12/5/80), and Dwg. No. 79917001.
Chubb, "Solar Energy", vol. 23, pp. 217-221, 1979, FIGS. 1 and 2.

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