| 摘要 |
The gas feed component is for inhibiting and dampening noise spreading in main channels, and consists of a flexible hose casing with sound-weak walls, a metal component and a flexible material inlay encasing the outside of the casing. The hose casing (6) according to the mechanical, chemical or calorific load through the gas to be fed, comprises a metal wire, glass fibre, synthetic, natural or ceramic weave, non-woven or a soft, thin foil of polyurethane or polyamide or polytetrafluoroethylene or a combination of these materials. The material inlay (9) consists of a main structure of mineral fibres, and/or metal fibres, and/or swarf, and/or chips of entropy elastic materials.
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