FIELD: ventilation and air conditioning systems. SUBSTANCE: invention can find use in design of air conduits employed in ventilation systems of vegetable store-houses for ventilation of agricultural products in piles or boxes and of industrial buildings. Air conduit includes hollow body with perforation. Novelty of proposal lies in fabrication of body in the form of parallel mutually crossing filaments with orientation of crossing angles along body. Perforation in this case has the form of rhomb-like elements arranged in staggered order. EFFECT: expanded application field. 4 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF AIR DUCT PREPARATION | 1999 |
|
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| BUILDING MEMBER AND METHOD OF FASTENING OF BUILDING MEMBERS WITH EACH OTHER | 1999 |
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| AIR CONDUIT MAKING METHOD | 1999 |
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| METHOD AND APPARATUS FOR PROTECTING FARM CROPS FROM HAIL | 1999 |
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RU2148311C1 |
