Radiative cooler

Details Radiative cooler Radiative cooler

1981-07-17

1984-01-03

Capossela, Ronald C.

Refrigeration

Refrigeration producer

62264, 62DIG1, 126417, 165135, 165DIG6, F25B 2102

Patent

active

044236050

ABSTRACT:
A method and radiative cooling device 10 for use in passively cooling spaces, applicable to any level of thermal radiation in vacuum and to high-intensity thermal radiation in non-vacuum environments. The device includes an enclosure 12 nested in a multiplicity of thin, low-emittance, highly-reflective shields 13 and 13' suspended in a casing 14 in mutual angular relation and having V-shaped spaces defined therebetween for redirecting, by reflection, toward the large openings of the V-shaped spaces, thermal radiation entering the sides of the shields, and emitted to the spaces, whereby successively reduced quantities of thermal radiation are reflected by the surfaces along substantially parallel paths extended through the V-shaped spaces to a common heat sink such as the cold thermal background of space.

REFERENCES:
patent: 2234122 (1941-03-01), Heck
patent: 2644736 (1953-07-01), Atchison
patent: 3205937 (1965-09-01), Shyffer
patent: 3310102 (1967-03-01), Trombe
patent: 3422886 (1969-01-01), Buller
patent: 4121434 (1978-10-01), Annable
patent: 4147040 (1979-04-01), Altman

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