Heater unit and catalytic converter

Details Heater unit and catalytic converter Heater unit and catalytic converter

1995-03-28

1997-03-25

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422173, 422177, 422179, 422199, 422211, 422221, 422222, 60300, 219543, 219553, F01N 310

Patent

active

056141556

ABSTRACT:
A heater unit including a honeycomb heater, a metallic casing for holding the honeycomb heater, and a gas flow-controlling means for controlling flow of exhaust gas through the heater unit, such that about 2 to 20% of the total amount of exhaust gas flows outside the honeycomb heater, between the honeycomb heater and the metallic casing. The honeycomb heater may be attached inside the metallic casing via several appropriate devices including supporting, buffer and connecting devices.

REFERENCES:
patent: 4448754 (1984-05-01), Isogai et al.
patent: 4581206 (1986-04-01), Otani et al.
patent: 5063029 (1991-11-01), Mizuno et al.
patent: 5104627 (1992-04-01), Usui et al.
patent: 5177961 (1993-01-01), Whittenberger
patent: 5202548 (1993-04-01), Kondo et al.
patent: 5229079 (1993-07-01), Harada et al.
SAE Technical Paper Series No. 940466 "A Structurally Durable EHC for the Exhaust Manifold", Mizuno et al.

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