Electrically heatable honeycomb body of a catalytic converter eq

Details Electrically heatable honeycomb body of a catalytic converter eq Electrically heatable honeycomb body of a catalytic converter eq

1996-02-14

1997-09-30

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422173, 422180, 422199, 422222, 60300, F01N 310

Patent

active

056723245

ABSTRACT:
An electric heater comprises a central electrode and a ring electrode with a honeycomb heat generator disposed therebetween. The honeycomb heat generator is formed by winding a conductive foil strip around the central electrode until the size of the rolled honeycomb body just fits to the ring electrode. The surface of the conductive foil strip is coated by an insulating material, thereby preventing a short circuit between two layers of the conductive foil strip wound around the central electrode. A plurality of bonding parts are provided to electrically connect adjacent layers of the conductive foil strip wound around the central electrode. The bonding parts are disposed along a plurality of bonding lines extending across the layers of the conductive foil strip. The bonding parts are disposed on every other bonding line along each layer of the conductive foil strip.

REFERENCES:
patent: 3770389 (1973-11-01), Kitzner et al.
patent: 4976929 (1990-12-01), Cornelison et al.
patent: 5070694 (1991-12-01), Whittenberger
patent: 5163291 (1992-11-01), Hitachi et al.
patent: 5215722 (1993-06-01), Nishizawa
patent: 5322672 (1994-06-01), Breuer et al.
patent: 5529759 (1996-06-01), Sanada et al.

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