Processes and devices for climatizing greenhouses

Details Processes and devices for climatizing greenhouses Processes and devices for climatizing greenhouses

1979-02-21

1981-09-29

Wayner, William E.

Stoves and furnaces

Tool having fluid fuel burner

Soldering iron

47 17, 126437, F24J 302, A01G 100

Patent

active

042916747

ABSTRACT:
The object of the invention consists of processes and devices which make it possible to vary the opacity of the covering of a greenhouse in order to maintain within the latter a luminosity which is substantially constant.
A greenhouse according to the invention includes a transparent covering and transparent collectors, which are located parallel to the covering, which make up part of a closed circuit in which water containing in suspension a product P which partly absorbs the visible spectrum, and the infra-red, is caused to circulate and the concentration of product P in the suspension is varied in order to modulate the coefficient of absorption within the visible spectrum.

REFERENCES:
patent: 3257903 (1966-06-01), Marks
patent: 3612657 (1971-10-01), Sawyer
patent: 3695681 (1972-10-01), Dockery
patent: 3741631 (1973-06-01), Laing
patent: 4108373 (1978-08-01), Chiapale et al.
patent: 4116222 (1978-09-01), Seifried
patent: 4147002 (1979-04-01), Kautz

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