METAL FIBER FILTER FOR PURIFYING EXHAUST GAS HAVING SLOT TYPE BY-PASSING PART

摘要

Disclosed is a filter for purifying exhaust gas having improved differential pressure characteristics„the filter having slot-type by-passing parts formed at joints of a filter member. The filter has a tubular structure in which a plurality of filter members are arranged telescopically, wherein each of the filter members is made of a plurality of metal fibers, ends of the two adjacent filter members are jointed to each other by a joint, and the joint in an end of one filter member is alternately arranged on another joint in an end of the other filter member, and a plurality of slots are formed in at least one joints in two opposite ends of each filter member.