JPS6034516U - Engine exhaust purification device - Google Patents

Engine exhaust purification device

Info

Publication number
JPS6034516U
JPS6034516U JP12656683U JP12656683U JPS6034516U JP S6034516 U JPS6034516 U JP S6034516U JP 12656683 U JP12656683 U JP 12656683U JP 12656683 U JP12656683 U JP 12656683U JP S6034516 U JPS6034516 U JP S6034516U
Authority
JP
Japan
Prior art keywords
passage
purification device
exhaust purification
engine exhaust
air supply
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.)
Pending
Application number
JP12656683U
Other languages
Japanese (ja)
Inventor
坂本　雅幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
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 Mazda Motor Corp filed Critical Mazda Motor Corp
Priority to JP12656683U priority Critical patent/JPS6034516U/en
Publication of JPS6034516U publication Critical patent/JPS6034516U/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust-Gas Circulating Devices (AREA)
  • 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 drawings]

第１図は本考案の浄化装置の全体概略図、第２図は、エ
ンジンの上部の篩分断面図、第３図は、２重管のマニホ
ールドへの取付部の１例を示す断面図、第４図は、第３
図のＡ−Ａ矢視図である。 符号の説明、１０・・・・・・排気マニホールド、１２
・・・・・・エアポンプ、１４・・・・・・２次エア供
給通路、１６・・・・・・ＥＧＲガス取出し通路、２２
・・・・・・ＥＧＲ弁。Fig. 1 is an overall schematic diagram of the purification device of the present invention, Fig. 2 is a sectional view of the sieve in the upper part of the engine, and Fig. 3 is a sectional view showing an example of the attachment part of the double pipe to the manifold. Figure 4 shows the third
It is an AA arrow view of a figure. Explanation of symbols, 10...Exhaust manifold, 12
...Air pump, 14...Secondary air supply passage, 16...EGR gas extraction passage, 22
...EGR valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＥＧＲ装置及び２次エア供給装置を備えたエンジンにお
いて、ＥＧＲガス取出通路のまわりを２次エア供給通路
が取囲む２重構造にするとともにＥＧＲガス取出通路の
先端を２次エア供給通路の先端よりも排気通路の上流側
に所定量だけ突出させたことを特徴とするエンジンの排
気浄化装置。In an engine equipped with an EGR device and a secondary air supply device, the EGR gas take-off passage is surrounded by a double-layered structure in which the secondary air supply passage surrounds the EGR gas take-off passage, and the tip of the EGR gas take-off passage is placed closer to the tip of the secondary air supply passage. An engine exhaust purification device characterized in that a predetermined amount of exhaust gas is protruded upstream of an exhaust passage.
JP12656683U 1983-08-16 1983-08-16 Engine exhaust purification device Pending JPS6034516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12656683U JPS6034516U (en) 1983-08-16 1983-08-16 Engine exhaust purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12656683U JPS6034516U (en) 1983-08-16 1983-08-16 Engine exhaust purification device

Publications (1)

Publication Number Publication Date
JPS6034516U true JPS6034516U (en) 1985-03-09

Family

ID=30287753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12656683U Pending JPS6034516U (en) 1983-08-16 1983-08-16 Engine exhaust purification device

Country Status (1)

Country Link
JP (1) JPS6034516U (en)

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