Electrically heatable catalytic converter

Details Electrically heatable catalytic converter Electrically heatable catalytic converter

1993-04-19

1995-06-06

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422180, 60300, F01N 320

Patent

active

054220823

ABSTRACT:
An electrically heatable catalytic converter for converting pollutant materials from an engine, such as carbon monoxide, unburned hydrocarbons, nitrogen oxides, etc., to carbon dioxide, nitrogen and water. A catalytic core has a rod center electrode, metal strips, such as corrugated strips and plane strips, and insulation layers spirally wound together about the center electrode to form a spiral electrical path. The central region adjacent to the center electrode and the peripheral region of the catalytic core are wound without intervening of the insulation layer and contact metal to metal. The intermediate region of the core is mainly heated, and there is almost no heat generation in the central and peripheral regions of the catalytic core.

REFERENCES:
patent: 3768982 (1973-10-01), Kitzner et al.
patent: 3770389 (1973-10-01), Kitzner et al.
patent: 5070694 (1991-12-01), Whittenberger
patent: 5140812 (1992-08-01), Cornelison et al.
patent: 5146743 (1992-09-01), Maus et al.
patent: 5174968 (1992-12-01), Whittenberger
patent: 5215722 (1993-06-01), Nishizawa

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