FIELD: control of temperature and humidity in civil and church monuments.
SUBSTANCE: proposed unit is also used for evacuation of excessive air from various buildings at high temperature. Aeration unit is provided with single-acting valves and louvers. Single-acting valves and louvers are detachably interconnected; center of mass of valve gate is shifted relative to vertical passing through axis of rotation of gate by 10-20 mm; valve gates and louvers are made from transparent material.
EFFECT: enhanced reliability and durability.
2 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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| STORE FOR AGRICULTURAL PRODUCE | 1990 |
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SU836323A1 |
