Catalytic device of electrically heated type

Details Catalytic device of electrically heated type Catalytic device of electrically heated type

1995-05-23

1998-06-02

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

422171, 422174, 422180, F01N 328

Patent

active

057584982

ABSTRACT:
A catalytic device is disclosed, in which a catalytic layer is electrically heated and activated. In one form, the quantity of the catalytic layer is greater near a gas outlet than near a gas inlet of the device. In another form, the catalytic layer is disposed only near the gas outlet. The catalytic layer can be quickly activated so as to promote purification of exhaust emissions immediately following the ignition.

REFERENCES:
patent: 4118199 (1978-10-01), Volker
patent: 4134733 (1979-01-01), Volker
patent: 4857089 (1989-08-01), Kitagawa
patent: 5146743 (1992-09-01), Maus
patent: 5229080 (1993-07-01), Abe
patent: 5259190 (1993-11-01), Bagley
patent: 5296198 (1994-03-01), Abe
JP Laid-Open Publication No. He 4-194311: Laid open on Jul. 14, 1992; Heater for Honeycomb Catalytic Converter; English Abstract.
(WPAT) JPO 4-171214-A Jun. 18, 1992: Internal Combust Engine; by K. Nishizawa et al.; English Abstract.

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