JPH01162016U

JPH01162016U -

Info

Publication number: JPH01162016U
Application number: JP5880188U
Authority: JP
Priority date: 1988-04-30
Filing date: 1988-04-30
Publication date: 1989-11-10

Description

[Brief explanation of the drawing]

第１〜５図はこの考案の実施例を示し、第１図
は触媒装置を備えた内燃機関及び吸排気系の概略
図、第２図は触媒装置の断面図、第３図は第２図
の―線による断面図、第４図は第２図の―
線による断面図、第５図は触媒体の温度状態を
示す図である。第６図は従来におけるセラミツク
触媒体の温度状態を示す図である。第７図は従来
におけるセラミツク触媒体を保持する触媒用ケー
スの変形状態を示す断面図である。図において、２は内燃機関、８は吸気マニホル
ド、１２は排気マニホルド、２４は排気管、２６
は触媒装置、２８は触媒用ケース、３０は金属触
媒体、３２はセラミツク触媒体、４０は平板、そ
して４２は波板である。 Figures 1 to 5 show an embodiment of this invention, Figure 1 is a schematic diagram of an internal combustion engine equipped with a catalyst device and an intake and exhaust system, Figure 2 is a sectional view of the catalyst device, and Figure 3 is a diagram of the Figure 4 is a cross-sectional view along the line of Figure 2.
A cross-sectional view taken along a line, FIG. 5, is a diagram showing the temperature state of the catalyst body. FIG. 6 is a diagram showing the temperature state of a conventional ceramic catalyst body. FIG. 7 is a sectional view showing a deformed state of a conventional catalyst case holding a ceramic catalyst body. In the figure, 2 is an internal combustion engine, 8 is an intake manifold, 12 is an exhaust manifold, 24 is an exhaust pipe, 26
2 is a catalyst device, 28 is a catalyst case, 30 is a metal catalyst body, 32 is a ceramic catalyst body, 40 is a flat plate, and 42 is a corrugated plate.

補正昭６３．１０．２８図面の簡単な説明を次のように補正する。明細書第９頁第１０行目の「―線による」
を、「―線による」に補正する。明細書第９頁第１０〜１１行目の「―線に
よる」を、「―線による」に補正する。Amendment October 28, 1983 The brief description of the drawing is amended as follows. “-by line” on page 9, line 10 of the specification
is corrected to "by line". The phrase "by line" on page 9, lines 10 and 11 of the specification is corrected to "by line."

Claims

[Scope of utility model registration request]

In a multi-stage catalyst device that purifies exhaust gas by housing a plurality of catalyst bodies in series in a catalyst case, a metal catalyst body formed by combining a heat-resistant steel plate and a corrugated plate to support a metal catalyst is used for the catalyst. A multi-stage catalyst device characterized in that a ceramic catalyst body is welded to a case and held in the catalyst case on the downstream side of the metal catalyst body, in which a large number of exhaust flow paths are formed for the exhaust flow.