Catalytic converter substrate
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United States of America Patent
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-
Jul 8, 2003
Grant Date -
N/A
app pub date -
May 15, 2000
filing date -
May 14, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catalytic converter substrate is provided with a large number of continuous flow paths for a fluid medium and with carrier elements for a catalyst material extending in the longitudinal direction of the flow paths. In order to create a substrate that leads to a catalytic converter with low pressure losses and low inertia with increased efficiency, carrier elements are provided that display edges around which flow is possible in the longitudinal direction of the flow paths. The carrier elements are designed in the form of wires 45, which are located in the middle of flow ducts 41, where the flow ducts are formed by an arrangement of foil layers 40. Stiffening wires 42, extending perpendicular to the foil layers, are provided for stabilisation of the substrate.
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