Importance

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Abstract

A sound reducer (10) includes a housing (12) having a jacket (122) extending longitudinally along and rotationally symmetrical about a housing axis. Two end walls (123) are aligned transverse to the housing axis main pipe (18) and penetrating the housing (12) parallel offset to the housing axis with windows (182) formed as pipe wall openings. The main pipe (20) is sealingly fixed in passages penetrating the end walls (123). The end walls (123) have a convex base curvature that is rotationally symmetrical with the housing axis and, in the region of the passages, merge into outwardly pointing pipe sockets (16) that project in one piece and in one material from the respective end wall (123). Annular transition regions (14) are curved concavely in deviation from the convex base curvature with a radius that is at least 1/15 of the radius of the convex curvature of the base curvature.

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First Claim