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Electrically heatable catalytic converter insert

  • US 5,146,744 A
  • Filed: 03/13/1991
  • Issued: 09/15/1992
  • Est. Priority Date: 03/13/1991
  • Status: Expired due to Fees
First Claim
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1. An electrically heatable catalytic converter insert for insertion in an exhaust line from an internal combustion engine comprising a catalyst bearing corrugated thin metal polycellular honeycomb monolith dimensioned and having a circular configuration for placement within an exhaust line, said insert having a metallic central core;

  • (b) at least one corrugated thin metal strip wrapped about said central core and having one end thereof in electrical contact therewith;

    (c) a peripheral metal housing in electrical contact with the other end of said at least one corrugated thin metal strip;

    (d) a first metallic terminal member attached to said central core and having an annular configuration, and having lug means projecting from the outer periphery for connecting to one pole of a voltage source;

    (e) a second metallic terminal member having a central opening and having lug means projecting from the outer periphery thereof for connecting to the other pole of the voltage source;

    said members (d) and (e) being electrically isolated from each other, and at least one of said members (d) and (e) being electrically isolated from said peripheral housing.

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