Canister with overmolded filter

摘要

An evaporative emission storage canister (24) having a main chamber containing activated carbon for adsorbing evaporative fuel emissions, and having an additional chamber containing an elongated monolith element (34) for adsorbing carbon particles, wherein the main chamber is in communication with the fuel tank and with the additional chamber, wherein the additional chamber is in communication with an on-board diagnostic device through a canister outlet (28), wherein the outlet end of the monolith element (34) is equipped with an annular seal (42) comprising sealing lips (46) which bears against an inside portion of the additional chamber keeping the monolith element (34) in place, and wherein a filter (50) is arranged between the outlet end of the monolith element (34) and the canister outlet (28), characterized in that the filter (50) is overmolded with the seal (42) and in that the filter (50) closes the outlet end of the monolith element (34).