Patent ID: 7780770

Claim:
An air cleaner comprising: a housing having an inlet for ambient air is introduced into the housing therethrough and an outlet for a filtrated air is discharged out of the housing therethrough; a filter element disposed in the housing so as to separate the inside thereof into an inlet side section and an outlet side section and configured to filtrate the ambient air introduced into the housing; and an adsorbent disposed on the side of the outlet from the filter element so as to oppose to the filter element and configured to adsorb an evaporated fuel invaded inside the housing through the outlet, wherein the adsorbent includes an adsorbing material adsorbing the evaporated fuel and a pair of non-woven fabrics sandwiching the adsorbent material from both sides thereof, and at least one of the non-woven fabrics disposed on the outlet side includes two non-woven fabric layers between which a reinforcing material is sandwiched so as to be integrated with the non-woven fabric, and wherein the reinforcing material is a structure in which a plurality of ribs are arranged vertically and horizontally so as to cross in lattice shape with each other.