Heat shield with insulated doser and sensor mount areas for a vehicle exhaust component
AssigneeFaurecia Emissions Control Technologies, USA, LLC
InventorsRobin Willats, Jerome Brian Hornback, Jeffery Warren Prairie, John G. Rohde, Thibaut Contremoulins, Maria Saur
Life of this patent
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Abstract
An exhaust component assembly includes a housing having at least one mount area configured to be attached to another exhaust component. A primary heat shield is attached to the housing and includes at least one open area at the mount area. A secondary heat shield positioned adjacent to the primary heat shield to at least partially cover the mount area. A method of assembling the primary and secondary heat shields to the housing of the exhaust component assembly is also disclosed.
Claims27
An exhaust component assembly comprising:
- a first exhaust component having at least one mount area configured to be attached to a second exhaust component, wherein the first exhaust component comprises a mixer;
- a first heat shield attached to substantially surround an outer housing of the mixer, the first heat shield including at least one open area at the mount area;
- and
- a secondary heat shield positioned to at least partially cover the mount area, wherein the secondary heat shield at least partially overlaps the first heat shield.
A mixer assembly for a vehicle exhaust system comprising:
- a mixer housing having an outer surface and an inner surface that defines an internal cavity for engine exhaust gases;
- at least one mount area comprising at least one protrusion that extends outwardly of the outer surface of the mixer housing;
- a primary heat shield attached to substantially surround the mixer housing, the primary heat shield including at least one open area at the mount area;
- and
- a secondary heat shield positioned relative to the primary heat shield to at least partially cover the mount area, and wherein the secondary heat shield includes at least one opening that is aligned with the at least one open area and the at least one protrusion.
A method of assembling a heat shield to an outer housing of mixer comprising the steps of:
- providing at least one protruding mount area that extends outwardly of the outer housing;
- attaching a primary heat shield to substantially surround the outer housing of the mixer, the primary heat shield including at least one open area that is aligned with the mount area;
- and
- at least partially covering the mount area with a secondary heat shield that includes at least one opening that is aligned with the open area of the primary heat shield.
Dependencies are inferred from the claim text.