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US 2025/0137571 A1Published application
Thermal Insulation System for Exhaust Gas Temperature Management
OwnerManish Taxak, Rajesh Pathareinventors
Life of this patent
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Abstract
An article comprising a plurality of layers or in form of powder or slurry, the layers comprising: one or more nonwoven layers (16) of powder or slurry; wherein each of the one or more nonwoven layers or powder or slurry has a temperature resistance of about 800° C. or greater; and wherein the article is adapted to provide thermal insulation for an exhaust pipe. The layer is between an inner wall (14) and outer wall (12) of a double-wall exhaust pipe (10).
Claims21
An article comprising a plurality of layers, the layers comprising:
- one or more nonwoven layers;
- wherein each of the one or more nonwoven layers has a temperature resistance of about 800° C. or greater;
- and
- wherein the article is adapted to provide thermal insulation for an exhaust pipe;
- and
- wherein the article is optionally adapted to be injected into the exhaust pipe as a slurry or a powder.
3 more elements
An exhaust pipe comprising:
- (A) an inner wall;
- (B) an outer wall spaced apart from the inner wall;
- and
- (C) an insulative material positioned between the inner wall and the outer wall, wherein the insulative material includes one or more nonwoven layers and has a temperature resistance of about 800° C. or greater.
1 more element
21-30. (canceled)
Dependencies are inferred from the claim text.