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US 2013/0171035 A1Published application
Fully insulated exhaust treatment device
AssigneeTenneco Automotive Operating Company Inc.
InventorsMegan Wikaryasz, Rick Thompson
Life of this patent
Estimating the term…
Abstract
An exhaust treatment device includes an insulation material positioned between an inner shell and an outer shell. An inlet tube has an end in communication with a cavity defined by the inner shell. A substrate for treating engine exhaust is positioned within the inner shell. A cast metal mounting ring is positioned between the inner and outer shells and includes a mounting provision for receipt of a fastener.
Claims20
An exhaust treatment device, comprising:
- a housing including an inner shell and an outer shell;
- an insulation material positioned between the inner shell and the outer shell;
- at least one substrate for treating an exhaust gas positioned within the housing;
- and
- an insulating mat disposed between the substrate and the inner shell.
2 more elements
An exhaust treatment device, comprising:
- a housing including an inner shell and an outer shell spaced apart by a first gap;
- an inlet assembly including a first inner cap and a first outer cap spaced apart by a second gap;
- an outlet assembly including an second inner cap and a second outer cap spaced apart from each other by a third gap;
- at least one exhaust treatment substrate disposed between the inlet assembly and the outlet assembly, the at least one exhaust treatment substrate located within the housing;
- and
- an insulating mat disposed between the exhaust treatment substrate and the inner shell,
- wherein each of the first, second, and third gaps are in communication with each other, and filled with an insulation material.
4 more elements
Dependencies are inferred from the claim text.