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US 2011/0252775 A1Published application
Exhaust flow insulator for an exhaust system device
AssigneeBorgWarner Inc.
InventorsVolker Joergl, Timm Kiener
Life of this patent
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Abstract
An exhaust system device comprising a liquid-cooled non-ferrous housing including a liquid cooling passage and defining a path for exhaust gas, and an exhaust flow insulator carried in the exhaust gas path of the housing to convey exhaust gas through the housing to limit heat transfer from exhaust gas to the housing.
Claims15
An exhaust system device comprising:
- a liquid-cooled non-ferrous housing including an inlet, an outlet, a path for exhaust gas between the inlet and the outlet, and a liquid cooling passage adjacent the exhaust gas path;
- and
- a exhaust flow insulator carried in the exhaust gas path of the housing to convey exhaust gas through the housing to limit heat transfer from exhaust gas to the housing, wherein said insulator is composed of at least one of a ferrous material or a ceramic material.
Dependencies are inferred from the claim text.