Patent ID: 6517614
Filing Date: 2003-02-11
Classification: B29C,F02M,F05C

Abstract:
An air intake filter for an internal combustion engine having sound damping at least before or after a filter, comprising: an assembled hollow chamber structure having an inlet and an outlet, said hollow chamber structure comprising at least two housing parts each having a sealing surface matching a corresponding sealing surface on the other housing part, each housing part further having at least one half wall, wherein the half walls of one housing part mate corresponding half walls of the other housing part to form a resonator chamber lying in the housing interior, and wherein the matching sealing surfaces and the mating wall halves are joined to each other by means of a friction force, and wherein said inlet, said resonator chamber and said outlet communicate with each other, and a filter element, wherein said hollow chamber structure comprises a resonator chamber for damping noise, the air intake filter further comprising an air filter housing containing the filter, the air filter housing being releasably fastened to one of the housing parts, wherein a gasket of the filter is in sealing contact with a filter sealing surface of the one of the housing parts, and the filter is disposed in a flow path between the inlet and outlet.