Pressure compensation element

Abstract

A pressure compensation element for installation in a housing wall, comprising a base part and a cover part arranged on the base part, wherein at least one gas exchange channel, in which a gas-permeable membrane is arranged, is provided in the pressure compensation element centrally in the middle with respect to the axis of the gas flow direction, wherein the base part has, on its side facing the cover part, in the gas exchange channel or at its end, a retaining grid on which the membrane is arranged, and wherein the base part has on the outside a circumferential annular collar through which gas exchange openings lead. The base part has on its nozzle at least two groups of radially outwardly facing locking elements, wherein the locking elements of the respective groups have a uniform height in themselves but a height which is different from the respective locking elements of the other groups.

Dependencies are inferred from the claim text.