Sound insulation and noise reduction type air duct
The invention discloses a sound insulation and noise reduction type air duct. The sound insulation and noise reduction type air duct comprises an air duct body composed of a plurality of partition plates, wherein each partition plate comprises an inclined edge plate, a straight edge plate and an arc...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a sound insulation and noise reduction type air duct. The sound insulation and noise reduction type air duct comprises an air duct body composed of a plurality of partition plates, wherein each partition plate comprises an inclined edge plate, a straight edge plate and an arc-shaped plate; the inclined edge plate, the straight edge plate and the arc-shaped plate are sequentially connected and integrally formed into the partition plate; the height d1 of the inclined edge plate is larger than the height d2 of the straight edge plate; the height d1 of the inclined edge plate is larger than the height d3 of the arc-shaped plate; the height d2 of the straight edge plate is smaller than the height d3 of the arc-shaped plate; and a fixing plate is arranged at the bottom end of the air duct body and formed by horizontally extending the bottom end of the arc-shaped plate. The partition plates composed of the inclined edge plates, the straight edge plates and the arc-shaped plates are spliced to |
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