Gas flow-through line with sound absorption effect
AssigneeStankiewicz GmbH
InventorsRalph Gerstner, Hans Kutter-Schrader
Life of this patent
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Abstract
The present invention relates to a gas flow-through line with a sound absorption effect. Thereby the wall (5) of the line (1) has through-going perforations (2) having a diameter of less than 1 mm. The invention can for example find employment in the air suction hoses of a turbocharger of an internal combustion engine.
Claims25
A gas flow-through line with sound absorption effect comprising a wall having through-going microperforations, said microperforations having a diameter of less than 2 mm, the wall further having second holes, the free diameter of which is substantially greater than that of the microperforations but smaller than about 5 mm.
A gas flow-through line with sound absorption effect comprising a wall having through-going microperforations, said microperforations having a diameter of less than 2 mm, the line further comprising a contour-following sheathing, at least in sections, in the region of the microperforations, the line further comprising bellows sections wherein the spacing of the sheathing from the line does not exceed the maximum bellows dimension.
A gas flow-through line with sound absorption effect comprising a wall having through-going microperforations, said microperforations having a diameter of less than 2 mm, wherein the wall further comprises at least two perforated wall layer parts, displaceable with respect to one another, so that by means of displacement of the wall layer parts with respect to one another, the opening surface of the overall perforation can be set.
Dependencies are inferred from the claim text.