JPS59116518U

JPS59116518U - catalytic converter

Info

Publication number: JPS59116518U
Application number: JP1086783U
Authority: JP
Inventors: 海老沢　紀夫; 島村　弘; 渡辺　芳仁
Original assignee: カルソニックカンセイ株式会社
Priority date: 1983-01-28
Filing date: 1983-01-28
Publication date: 1984-08-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の触媒コンバータの縦断面図、第２図は第
１図の■−■線断面図、第３図は第１実施例に係る触媒
コンバータの縦断面図、第４図は部分拡大断面図、第５
図はシェル合せ面部の拡大斜視図、第６図は第２実施例
に係る触媒コンバータの要部拡大断面図、第７図は同シ
ェル合せ面部の拡大斜視図、第８図は二次空気導入パイ
プの端面図、第９図は第３実施例に係る触媒コンバータ
の要部拡大断面図である。１０・・・シェル、１２・・・還元触媒、１４・・・酸
化触媒、１６・・・間隙、２６．２６Ａ、２６Ｂ二次空
気導入パイプ、２８．２８Ａ、２８Ｂ・・・空気通路、
３０．３０Ａ〜３０Ｅ・・・空気吐出口、３２・・・オ
リフィス、３４Ｃ〜３４Ｅ・・・ルーバ。２４２６　　　　２８　２４　１０ア　　　＼− ｌン第６図第８図２８Ａ　　３２ ’ｘ／１２８Ａ　　３２Fig. 1 is a longitudinal sectional view of a conventional catalytic converter, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, Fig. 3 is a longitudinal sectional view of the catalytic converter according to the first embodiment, and Fig. 4 is a partial view. Enlarged sectional view, 5th
The figure is an enlarged perspective view of the shell mating surface, FIG. 6 is an enlarged sectional view of the main part of the catalytic converter according to the second embodiment, FIG. 7 is an enlarged perspective view of the shell mating surface, and FIG. 8 is the secondary air introduction. The end view of the pipe and FIG. 9 are enlarged sectional views of essential parts of a catalytic converter according to a third embodiment. DESCRIPTION OF SYMBOLS 10... Shell, 12... Reduction catalyst, 14... Oxidation catalyst, 16... Gap, 26.26A, 26B secondary air introduction pipe, 28.28A, 28B... Air passage,
30. 30A to 30E... Air discharge port, 32... Orifice, 34C to 34E... Louver. 2426 28 24 10 A

Claims

[Scope of utility model registration request]

In a catalytic converter, catalysts are arranged in series with a gap in a shell forming an exhaust gas introduction path, and a secondary air introduction pipe is provided in the gap,
A catalytic converter characterized in that the secondary air introduction pipe is formed in an annular shape along the inner circumferential surface of the gap, and an air discharge port is bored in the inner circumferential surface of the annular pipe.