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US 6,497,847 B2Granted
Catalytic converter end plate inlet/outlet plenum length ratio
AssigneeDelphi Technologies, Inc.
InventorsMichael Ralph Foster, Scott Christopher Blanchet
Life of this patent
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Abstract
A catalytic converter of the type having an inlet plenum between a converter inlet and an axial inlet face of a substrate and an outlet plenum between a converter outlet and an axial outlet face of the substrate, wherein a first axial length of the inlet plenum is in a range of 20-40% of the first axial length of the inlet plenum summed with a second axial length of the outlet plenum to minimize flow resistance in said catalytic converter.
Claims7
A catalytic converter comprising:
- a substantially linear outer housing having an inlet end and an outlet end;
- a catalytic substrate having an inlet face and an outlet face disposed within said outer housing so that said inlet face is towards said inlet end;
- wherein a first distance measured from said inlet end to said inlet face is about 20% to about 40% of a total distance, wherein said total distance is the sum of said first distance and a second distance measured from said outlet end to said outlet face.
Dependencies are inferred from the claim text.