JPS581715U - Secondary air supply device for engines - Google Patents

Secondary air supply device for engines

Info

Publication number
JPS581715U
JPS581715U JP9471781U JP9471781U JPS581715U JP S581715 U JPS581715 U JP S581715U JP 9471781 U JP9471781 U JP 9471781U JP 9471781 U JP9471781 U JP 9471781U JP S581715 U JPS581715 U JP S581715U
Authority
JP
Japan
Prior art keywords
air supply
exhaust gas
secondary air
supply pipe
supply device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9471781U
Other languages
Japanese (ja)
Other versions
JPS612265Y2 (en
Inventor
靖 佐藤
敏雄 棚橋
大仲　英巳
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP9471781U priority Critical patent/JPS581715U/en
Publication of JPS581715U publication Critical patent/JPS581715U/en
Application granted granted Critical
Publication of JPS612265Y2 publication Critical patent/JPS612265Y2/ja
Granted legal-status Critical Current

Links

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  • Exhaust Gas After Treatment (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案によるエンジン用二次空気供給装置を備
えたエンジンの特に排気系を示す概略構成図、第２図は
本考案によるエンジン用二次空気供給装置の一つの実施
例をその要部について示す拡大縦断面図、第３図は第２
図の線■−■に沿う断面図、第４図乃至第６図は二次空
気分配特性を示すグラフである。 １・・・エンジン＞　：”’ＩＦ気マニホルド、３・・
・フロント排気パイプ、４・・・触媒コンバータ、５・
・・リア　　　−排気パイプ、６・・・触媒ケース、７
，８・・・軸流触媒床、９・・・間隙空間、１０・・・
空気供給管、１１・・・端板、１２・・・ホルダ、１３
・・・孔、１４・・・逆止弁、１５・・・空気取入ポー
ト、１．６・・・リード弁、１７・・・孔。Fig. 1 is a schematic diagram showing the exhaust system of an engine equipped with a secondary air supply system for an engine according to the present invention, and Fig. 2 shows an example of the secondary air supply system for an engine according to the present invention. An enlarged vertical sectional view showing the section, Figure 3 is the second
The cross-sectional views taken along the line ■--■ in the figure, and FIGS. 4 to 6, are graphs showing the secondary air distribution characteristics. 1...Engine>:"'IF air manifold, 3...
・Front exhaust pipe, 4...Catalytic converter, 5.
...Rear - Exhaust pipe, 6...Catalyst case, 7
, 8... Axial flow catalyst bed, 9... Interstitial space, 10...
Air supply pipe, 11... End plate, 12... Holder, 13
... hole, 14 ... check valve, 15 ... air intake port, 1.6 ... reed valve, 17 ... hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 排気ガス流れで見て触媒床より上流側の排気ガス通路内
に排気脈動により二次空気を供給するエンジン用二次空
気供給装置にして、前記排気ガス通路の一つの横断面の
略中央部を横切って延在する空気供給管を含み、該空気
供給管はその先端を閉塞され、前記排気ガス通路を流れ
る排気ガスの上流側に向かい且前記排気ガスの主流に対
し実質的に４５度傾斜した方向に開口した孔を該空気供
゛　　給管の軸線方向に複数個隔置して有していること
を特徴とするエンジン用二次空気供給装置。A secondary air supply device for an engine supplies secondary air by exhaust pulsation into an exhaust gas passage upstream of a catalyst bed in terms of exhaust gas flow, and a substantially central portion of one cross section of the exhaust gas passage is provided. The air supply pipe includes an air supply pipe extending transversely, the end of the air supply pipe being closed, facing upstream of the exhaust gas flowing in the exhaust gas passage, and inclined at substantially 45 degrees with respect to the main stream of the exhaust gas. A secondary air supply device for an engine, comprising a plurality of holes spaced apart in the axial direction of the air supply pipe.
JP9471781U 1981-06-26 1981-06-26 Secondary air supply device for engines Granted JPS581715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9471781U JPS581715U (en) 1981-06-26 1981-06-26 Secondary air supply device for engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9471781U JPS581715U (en) 1981-06-26 1981-06-26 Secondary air supply device for engines

Publications (2)

Publication Number Publication Date
JPS581715U true JPS581715U (en) 1983-01-07
JPS612265Y2 JPS612265Y2 (en) 1986-01-24

Family

ID=29889639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9471781U Granted JPS581715U (en) 1981-06-26 1981-06-26 Secondary air supply device for engines

Country Status (1)

Country Link
JP (1) JPS581715U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022119432B3 (en) 2022-08-03 2024-02-08 Purem GmbH Exhaust system for an internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438198A (en) * 1967-05-22 1969-04-15 Curtiss Wright Corp Smog control system
JPS5581220A (en) * 1978-12-11 1980-06-19 Mazda Motor Corp Catalytic converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438198A (en) * 1967-05-22 1969-04-15 Curtiss Wright Corp Smog control system
JPS5581220A (en) * 1978-12-11 1980-06-19 Mazda Motor Corp Catalytic converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022119432B3 (en) 2022-08-03 2024-02-08 Purem GmbH Exhaust system for an internal combustion engine

Also Published As

Publication number Publication date
JPS612265Y2 (en) 1986-01-24

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