Monolithic metal honeycomb body with varying number of channels

Details Monolithic metal honeycomb body with varying number of channels Monolithic metal honeycomb body with varying number of channels

Filed on

1993-02-05

Date issued

1994-07-12

Examiner

Zimmerman, John

Patent Class

Stock material or miscellaneous articles

SubClass

All metal or with adjacent metals

SubSubClass

Honeycomb, or with grain orientation or elongated elements...

Other Related Categories

502439, 502527, 422180, B01J 3504, F01N 328

Type

Patent

Status

active

Patent number

053287746

Description

ABSTRACT:
A honeycomb body includes leading and trailing end surfaces being mutually spaced apart in a given flow direction. Subsections are disposed in succession in the given flow direction between the end surfaces. At least some sheet-metal layers have structures forming channels therebetween extending approximately in the given flow direction through which a fluid can flow. The channels have dimensions determined by the structures of the sheet-metal layers. Each of the subsections has a different number of channels per unit of cross-sectional area and the channels have cross-sectional areas differing in each of the subsections. The sheet-metal layers include some layers being smooth or slightly structured in proportion to the dimensions of the channels, having spacings therebetween and extending from the leading to the trailing end surfaces giving the honeycomb body a monolithic form, and the sheet-metal layers include different numbers of other sheet-metal layers filling the spacings in each of the subsections.

REFERENCES:
patent: 3785781 (1974-01-01), Hervert et al.
patent: 4713361 (1987-12-01), Maus
patent: 4818746 (1989-04-01), Cyrou
patent: 4988483 (1991-01-01), Usvi et al.
patent: 5146743 (1992-09-01), Maus et al.
patent: 5153167 (1992-10-01), Saito et al.
patent: 5157010 (1992-10-01), Maus et al.
patent: 5173267 (1992-12-01), Maus et al.

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