FILTER SYSTEM

摘要

A filter (20) for engine exhaust gases includes a housing (7) coupled to an engine (10) to receive engine exhaust gases, and a filter media (14) which is located in the housing. The filter media includes a plurality of filter passages (13), and a plurality of particles (25) of a transition metal deposited on at least a portion of the filter media. The size of the particles are approximately thirty nanometers or less.