Electrically heated catalytic apparatus

Details Electrically heated catalytic apparatus Electrically heated catalytic apparatus

1995-06-06

1996-12-10

Warden, Jill

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

60300, 422180, F01N 328

Patent

active

055828035

ABSTRACT:
An electrically heating catalytic apparatus that quickly heats catalyst to an activation temperature even when the engine is started at a low temperature below the catalyst activation temperature. The apparatus employs an electrically conductive catalyst carrier that is electrically heated. The carrier is provided with local hot spots to be energized. Since the heat is locally generated, the heat capacity of the catalyst carrier is small to shorten a temperature increasing time.

REFERENCES:
patent: 3770389 (1973-10-01), Kitzner et al.
patent: 4801915 (1989-01-01), Hahnewald
patent: 4901904 (1990-02-01), Tsuno
patent: 5050790 (1991-09-01), Takikawa et al.
patent: 5146743 (1992-09-01), Maus et al.
patent: 5382774 (1995-01-01), Bruck et al.

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