Catalytic filter for purifying diesel exhaust gas

Details Catalytic filter for purifying diesel exhaust gas Catalytic filter for purifying diesel exhaust gas

F - Mech Eng,Light,Heat,Weapons

01

N

172/5, 183/94

F01N 3/10 (2006.01) F01N 3/022 (2006.01) F01N 3/027 (2006.01) F01N 3/035 (2006.01) F01N 3/20 (2006.01) F01N 3/28 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1160161

ABSTRACT OF THE DISCLOSURE The present invention provides a metallic screen cloth system, which can be used as a filter for dust aerosols and/or as a support matrix for catalysts in exhaust gas puri- fying equipment of internal combustion engines. This system comprises superposed corrugaged or concentrina layers of screen cloth which alternate with flat layers of sheet metal or screen cloth and are piled so as to form a stack of per- meable to gas or wound spirally as a coiled body permeable to gas. On its opposite front ends the parcel or the coiled body is closed by cover means such that a closed front end portion lies opposite an open front end portion so that exhaust gas entering at open front end portions is forced to pass over the entire length of the matrix through the screen cloth meshes into channels assigned to an open opposite front end portion.

367210

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