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Metal catalytic reactor

A catalyst and metal technology, applied in chemical instruments and methods, physical/chemical process catalysts, machines/engines, etc., can solve the problems of insufficient installation strength of the honeycomb sandwich body 4, shortened brazing length, etc., and achieve cost and weight reduction. , the effect of reducing thermal stress and shortening the brazing range

Active Publication Date: 2011-01-26
HONDA MOTOR CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] But, the brazing length between the plate part 2 and the corrugated plate part 1 constituting the honeycomb sandwich body is the same as the brazing length between the honeycomb sandwich body 4 and the outer cylinder 5, when shortening the distance between the plate part 2 and the corrugated plate part 1 When the brazing length between the honeycomb sandwich body 4 and the outer cylinder 5 is shortened, the installation strength of the honeycomb sandwich body 4 will be insufficient.

Method used

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Embodiment Construction

[0044] Next, the best mode for carrying out the present invention will be described with reference to the drawings.

[0045] In the following descriptions, "front", "rear", "left", "right", "up", and "down" refer to the directions from the muffler, Fr indicates the front, and Rr indicates the rear , L means left side, R means right side, T means up, B means down. In addition, the drawings are diagrams viewed along the direction of symbols.

[0046] Fig. 1 is the sectional view of the muffler that the metal catalyst of the present invention is installed, and muffler 10 has: cylindrical shell 11; The first partition 12 divided inside and the second partition 13 arranged behind the first partition 12 form a front chamber 14, a middle chamber 15, and a rear chamber 16 in the outer shell 11, which are arranged on the second partition 13. The rear side, and one end 17a is held by the peripheral shoulder 13a of the second partition 13; the annular ring member 21, which holds the ot...

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Abstract

The metal catalysis device has high installation strength of the honeycomb sandwich to the outer barrel, shortened brazing length, lowered brazing cost and raised vibration resistance. After being superposed and rolled, the thin flat plate and the corrugated plate are brazed to constitute one honeycomb sandwich body with mesh passages. Then, one outer barrel is covered and brazed to outside of the honeycomb sandwich body to constitute the metal catalysis device. The metal catalysis device has a brazed range between the flat plate and the corrugated plate smaller than that between the honeycomb sandwich body and the outer barrel.

Description

technical field [0001] The invention relates to a metal catalyst composed of a honeycomb sandwich body and an outer cylinder covering the outer side of the honeycomb sandwich body. The metal catalyst is formed by overlapping flat plates and corrugated plates, and particularly relates to the improvement of the brazing structure of the metal catalyst. Background technique [0002] At present, proposals have the following metal catalytic converters, overlapping flat plates and corrugated plates, and brazing them to each other to form a honeycomb sandwich body, and brazing between the honeycomb sandwich body and the outer cylinder to form a metal catalytic converter (for example, refer to Patent Document 1 ). [0003] Patent Document 1: Japanese Unexamined Patent Publication No. 9-267044 (FIG. 1) [0004] FIG. 1 of Patent Document 1 is a longitudinal sectional view of a metal carrier for a catalytic device, FIG. 1(A) is a longitudinal sectional view including an axis, and FIG. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J35/04F01N3/28
Inventor 大久保克纪小田桐大
Owner HONDA MOTOR CO LTD
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