Exhaust treatment device with integral mount
First Claim
Patent Images
1. An exhaust treatment device, comprising:
- an inner shell;
an outer shell including an inner cylindrical surface extending along a longitudinal axis;
an insulation material positioned between the inner shell and the outer shell;
an inlet tube having an end in communication with a cavity defined by the inner shell;
a substrate for treating engine exhaust positioned within the inner shell; and
a metal mounting ring positioned between the inner and outer shells and including a central aperture including a longitudinal axis, the mounting ring including an outer surface in engagement with the inner surface of the outer shell and including a mounting provision for receipt of a fastener, wherein the longitudinal axes of the inner cylindrical surface and the mounting ring extend parallel to one another.
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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 metal mounting ring is positioned between the inner and outer shells and includes a mounting provision for receipt of a fastener.
39 Citations
21 Claims
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1. An exhaust treatment device, comprising:
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an inner shell; an outer shell including an inner cylindrical surface extending along a longitudinal axis; an insulation material positioned between the inner shell and the outer shell; an inlet tube having an end in communication with a cavity defined by the inner shell; a substrate for treating engine exhaust positioned within the inner shell; and a metal mounting ring positioned between the inner and outer shells and including a central aperture including a longitudinal axis, the mounting ring including an outer surface in engagement with the inner surface of the outer shell and including a mounting provision for receipt of a fastener, wherein the longitudinal axes of the inner cylindrical surface and the mounting ring extend parallel to one another. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An exhaust treatment device, comprising:
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an inner shell; an outer shell including an inner surface; an insulation material positioned between the inner shell and the outer shell; an inlet tube having an end in communication with a cavity defined by the inner shell; a substrate for treating engine exhaust positioned within the inner shell; a metal mounting ring positioned between the inner and outer shells, the mounting ring including an outer surface in engagement with the inner surface of the outer shell and including a mounting provision for receipt of a fastener; and a ring cover plate engaged with the mounting ring and fixed to the outer shell to retain the mounting ring between the outer shell and the ring cover plate. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An exhaust treatment device, comprising:
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an inner shell; an outer shell; an insulation material positioned between the inner shell and the outer shell; an inlet tube having an end in communication with a cavity defined by the inner shell; a substrate for treating engine exhaust positioned within the inner shell; a metal mounting member including a threaded fastener mounting provision; and a cover plate engaged with the mounting member and fixed to the outer shell to retain the mounting member between the outer shell and the cover plate, wherein the outer shell includes a wall and an aperture extending through the wall to provide access to the threaded fastener mounting provision. - View Dependent Claims (15, 16)
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17. An exhaust treatment device, comprising:
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an inner shell; an outer shell; an insulation material positioned between the inner shell and the outer shell; an inlet tube having an end in communication with a cavity defined by the inner shell; a substrate for treating engine exhaust positioned within the inner shell; a cast metal mounting member including a mounting provision; and a cover plate engaged with the mounting member and fixed to the outer shell to retain the mounting member between the outer shell and the cover plate, wherein the insulation material is sandwiched between the inner shell and the cover plate. - View Dependent Claims (18)
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19. An exhaust treatment device, comprising:
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an inner shell; an outer shell; an insulation material positioned between the inner shell and the outer shell; an inlet tube having an end in communication with a cavity defined by the inner shell; a substrate for treating engine exhaust positioned within the inner shell; a cast metal mounting member including a mounting provision; and a cover plate engaged with the mounting member and fixed to the outer shell to retain the mounting member between the outer shell and the cover plate, wherein the inner shell includes an outwardly extending protrusion and the cover plate includes an inwardly extending boss, the protrusion being in engagement with and fixed to the boss. - View Dependent Claims (20)
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21. An exhaust treatment device, comprising:
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an inner shell; an outer shell; an insulation material positioned between the inner shell and the outer shell; an inlet tube having an end in communication with a cavity defined by the inner shell; a substrate for treating engine exhaust positioned within the inner shell; a metal mounting ring positioned between the inner and outer shells, the ring including a mounting provision for receipt of a fastener; and a ring cover plate engaged with the mounting ring and fixed to the outer shell to retain the mounting ring between the outer shell and the ring cover plate, wherein the insulation material is sandwiched between the inner shell and the ring cover plate.
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Specification