Fluid optical switch for a solar collector

Details Fluid optical switch for a solar collector Fluid optical switch for a solar collector

1979-04-04

1981-06-02

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126417, 126418, 136244, 350484, F24J 302, G05D 2500

Patent

active

042705177

ABSTRACT:
Apparatus for optical switching which uses a fluid medium whose refractive index is matched to that of a highly dispersed optical scattering layer to provide optical transparency of said scatterer when immersed in the fluid media and optical reflection in the absence thereof. The fluid optical switch is embodied in a solar energy collector to provide overtemperature protection to collector components and further to provide a convenient means for turning off the collector during periods of nonuse.

REFERENCES:
patent: 3577352 (1971-05-01), Kelkheim
patent: 3609004 (1971-09-01), Taylor
patent: 3612653 (1971-10-01), Rajchman
patent: 3703332 (1972-11-01), Taylor
patent: 3723349 (1973-03-01), Hesltine et al.
patent: 3790250 (1974-02-01), Mitchell et al.
patent: 3939819 (1976-02-01), Minardi
patent: 4055163 (1977-10-01), Costello et al.
patent: 4056094 (1977-11-01), Rosenberg
patent: 4148563 (1979-04-01), Herbert
patent: 4167934 (1979-09-01), Miles
patent: 4169460 (1979-10-01), Popovich et al.

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