FIELD: air ventilation or conditioning.
SUBSTANCE: air duct comprises housing provided with opening made of a groove. The inner space of the housing receives the system of shafts provided with endless belt. The shaft system and endless belt are mounted inside the housing so that the belt completely overlaps the groove and moves parallel to the sides of the groove. The through opening is interposed between the sides of the groove. The size of the through opening in the direction of the longitudinal axis of the groove is less than the length of the groove.
EFFECT: expanded functional capabilities.
4 cl, 8 dwg
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|---|---|---|---|
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|
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|
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|
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|
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| DEVICE, SYSTEM AND METHOD OF VENT SYSTEM CALIBRATION | 2011 |
|
RU2584517C2 |
