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US 7,682,578 B2Granted
Device for catalytically reducing exhaust
AssigneeGEO2 Technologies, Inc.
InventorsBilal Zuberi, Robert G. Lachenauer
Life of this patent
Estimating the term…
Abstract
An exhaust gas pollution treatment device, having an inlet pipe, an outlet pipe with an exhaust path extending between the inlet pipe and the outlet pipe. A gas permeable backbone member is positioned in the exhaust path and a substantially fibrous nonwoven refractory material is disposed on the backbone.
Claims36
An exhaust fluid treatment device, comprising:
- a fluid permeable backbone member defining a plurality of apertures;
- and
- 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 plurality of apertures and substantially fibrous porous nonwoven refractory material defining a plurality of exhaust channels.
An exhaust gas treatment system for removing pollutants from exhaust gasses flowing from an exhaust gas source, comprising:
- a conduit portion;
- an exhaust gas filter connected to the conduit portion and further comprising:
- a housing portion;
- a gas permeable backbone portion operationally connected to the housing portion;
- and
- a substantially fibrous nonwoven refractory material portion 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 gas permeable backbone and substantially fibrous porous nonwoven refractory material defining a plurality of exhaust channels.
3 more elements
A refractory screening device, comprising:
- a backbone member and defining a plurality of apertures;
- and
- 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 plurality of apertures and substantially fibrous porous nonwoven refractory material defining a plurality of exhaust channels.
Dependencies are inferred from the claim text.