Catalytic exhaust device for simplified installation or replacement
AssigneeGEO2 Technologies, Inc.
InventorsBilal Zuberi, Robert G. Lachenauer
Life of this patent
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Abstract
A simple catalytic device that is easily installed into vehicles, small engines, and industrial exhaust stacks is provided. The simple catalytic device has a ridged and stable backbone structure that withstands expected mechanical forces. In one example, the backbone is a highly gas permeable mesh or screen. A fibrous material is disposed on the backbone, with a catalytic material coating applied to the fibrous material. The catalytic device is constructed to be installable in an exhaust path, where it provides a catalytic conversion for non-particulate matter.
Claims31
A catalytic device, comprising:
- a fluid permeable backbone portion defining a plurality of apertures;
- a substantially fibrous porous nonwoven material portion at least partially disposed on and adhered to the backbone portion, the substantially fibrous porous nonwoven refractory material comprising intertangled refractory fibers bonded into a porous matrix;
- the plurality of apertures and substantially fibrous porous nonwoven material forming corresponding exhaust channels;
- and
- a catalytic material portion disposed on at least some of the fibrous material.
A catalytic system, comprising:
- an exhaust path;
- and
- at least one catalytic screen positioned in the exhaust path;
- wherein the at least one catalytic screens further comprises:
- a highly gas permeable backbone;
- a substantially fibrous porous nonwoven refractory material disposed on and adhered to the backbone, the substantially fibrous porous nonwoven refractory material comprising intertangled refractory fibers bonded into a porous matrix;
- the gas permeable backbone and substantially fibrous porous nonwoven material forming a plurality of exhaust channels;
- and
- a catalytic material disposed on at least some of the fibrous material.
A screening device, comprising:
- a backbone portion;
- a plurality of apertures formed in the backbone portion;
- a substantially fibrous porous nonwoven material portion coupled to the backbone portion, the substantially fibrous porous nonwoven refractory material comprising intertangled refractory fibers bonded into a porous matrix;
- the plurality of apertures and substantially fibrous porous nonwoven material forming corresponding exhaust channels;
- and
- a catalytic material portion at least partially covering the substantially fibrous porous nonwoven material portion.
Dependencies are inferred from the claim text.