Diesel exhaust cleaner and regeneration burner system with indexing particulate trap

An indexing particulate filter trap and regeneration system for use with a diesel engine as on a city bus, said system including a housing means having a cylindrical intermediate housing, an exhaust inlet means at one end and an exhaust outlet at its opposite end;

• said intermediate housing having shaft support means at opposite ends thereof, a shaft operatively journaled in said shaft support means in said intermediate housing for rotation about the longitudinal axis thereof and having one end thereof extending outboard of said exhaust inlet means to permit manual rotation thereof;
• a cylindrical trap housing means fixed to said shaft between said support means whereby said trap housing means is sealingly and rotatably supported in said intermediate housing, said trap housing means including a plurality of circumferentially spaced apart filter supports located concentrically around said shaft;
• a particulate filter operatively supported in each of said filter supports;
• a fuel burner means operatively fixed to said exhaust inlet means with the burner outlet end thereof in operative axial alignment with one of said filter supports;
• and releasable detent means operatively associated with said intermediate housing and with said trap housing means to permit rotative indexing of said particulate filters sequentially into operative alignment with said fuel burner means upon rotative movement of said shaft.