Heat conservation system for greenhouses

Details Heat conservation system for greenhouses Heat conservation system for greenhouses

1979-05-21

1981-12-15

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Shaped or strengthened by fluid pressure

Fluid pressure is subatmospheric

52171, 126428, E04B 134

Patent

active

043052355

ABSTRACT:
A greenhouse structure (No. 1 or No. 2) having a curved roof wall formed of two spaced-apart plastic layers (30 and 34) with troughs (32) at the lower sides thereof, and a circulation system including blowers (42,42') connecting the top of the wall and the ends of the troughs to an insulation storage receptacle (A) by means of ducts (38, 39, 40, 41, 43 and 44), whereby the roof wall chamber is selectively filled and emptied.

REFERENCES:
patent: 2830606 (1958-04-01), Daugherty
patent: 3389510 (1968-06-01), Stock
patent: 3481087 (1969-12-01), Stafford
patent: 3903665 (1975-09-01), Harrison
patent: 4021972 (1977-05-01), Choate et al.
patent: 4108373 (1978-08-01), Chiapale et al.
Symposium on Electricity and Artificial Light in Horticulture, dated Mar. 17, 1969, 7 pp.

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