Air filter, for a vehicle motor air intake, has a second active carbon filter at the clean air side of the replaceable first filter and within its space welded to the clean air funnel

摘要

The filter for a motor vehicle air intake acoustic damper, with a filter housing (1), has a replaceable filter (2) in the housing and a second filter (3) at the clean air side and welded to the clean air funnel (4) within the space defined by the first filter. The first filter is circular, and the second filter as an active carbon mat has a toroid, truncated cone, trapezoid or star shape.