MUFFLER SHELL FOR USE IN THE EXHAUST SYSTEM OF A VEHICLE

摘要

A muffler shell (1) for use in an exhaust system of a vehicle comprises an inner metal sheet (13) and an outer metal sheet (10). The outer metal sheet (10) is arranged to enclose the inner metal sheet (13). The muffler shell further comprises a vibro-acoustical dampening material (14) sandwiched between the inner metal sheet (13) and the outer metal sheet (10). Both the inner metal sheet (13) and the outer metal sheet (10) are corrugated sheets made of stainless steel having a thickness in the range of 0.15 mm to 0.30 mm. The vibro-acoustical dampening material has a thickness (T) in the range of 4 mm to 8 mm and a density in the range of 130 kg/m3 to 160 kg/m3.

主权项

1. Muffler shell for use in an exhaust system of a vehicle, the muffler shell comprising an inner metal sheet and an outer metal sheet, with the outer metal sheet being arranged to enclose the inner metal sheet, and further comprising a vibro-acoustical dampening material sandwiched between the inner metal sheet and the outer metal sheet, wherein both the inner metal sheet and the outer metal sheet are corrugated sheets made of stainless steel having a thickness in the range of 0.15 mm to 0.30 mm, and wherein the vibro-acoustical dampening material sandwiched between the inner sheet of stainless steel and the outer sheet of stainless steel has a thickness in the range of 4 mm to 8 mm and a density in the range of 130 kg/m3 to 160 kg/m3.