Electrically heatable honeycomb body

Details Electrically heatable honeycomb body Electrically heatable honeycomb body

1996-03-25

1998-09-01

McMahon, Timothy

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

219205, 219552, 392488, 422177, 422179, 422180, F01N 324

Patent

active

058007873

ABSTRACT:
An electrically heatable honeycomb body includes a plurality of passages which are each defined by partition walls made of an electroconductive material and which are substantially parallel to the direction of a gas flowing through the honeycomb body, and two ends which are the gas inlet and outlet sides of honeycomb body, wherein the heat generation of the honeycomb body by electrification is controlled by adjusting the flow of electricity therein and wherein those cells each constituted by a passage and partition walls, present in the vicinity of each current-concentrating portion are formed in such a structure that the stress caused by current concentration can be reduced. This honeycomb body can reduce the stress caused by current concentration and thereby can prevent the rupture of its cells.

REFERENCES:
patent: Re35134 (1995-12-01), Mitzuno et al.
patent: 4233351 (1980-11-01), Okumura et al.
patent: 5202547 (1993-04-01), Abe et al.
patent: 5399841 (1995-03-01), Abe et al.

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