| 摘要 |
<p>The invention relates to a mineral wool silencer (5) for air conditioning, which comprises a mineral wool structure (1, 11) with a duct-forming through cavity open at two ends, said mineral wool structure being placeable between a ventilation unit and a ventilation pipe system or at some location along a duct or ducts of a ventilation pipe system, such that the duct-forming cavity of the mineral wool structure becomes a part of the ventilation pipe system's air duct or ducts, the surface (7, 17) of the duct-forming cavity of the mineral wool structure being coated with a material (2, 12) which prevents release of mineral wool particles into ventilation. The silencer according to the invention has an outer surface (8, 18) of the mineral wool structure coated with an aluminum/fibreglass cloth laminate (3, 13). The invention relates also to a method of making a silencer as described above.</p> |
