JPS6269017U - - Google Patents

Info

Publication number
JPS6269017U
JPS6269017U JP16073485U JP16073485U JPS6269017U JP S6269017 U JPS6269017 U JP S6269017U JP 16073485 U JP16073485 U JP 16073485U JP 16073485 U JP16073485 U JP 16073485U JP S6269017 U JPS6269017 U JP S6269017U
Authority
JP
Japan
Prior art keywords
secondary air
oxidation catalyst
intake passage
combustion engine
internal combustion
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
JP16073485U
Other languages
Japanese (ja)
Other versions
JPH0422027Y2 (en
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 filed Critical
Priority to JP1985160734U priority Critical patent/JPH0422027Y2/ja
Publication of JPS6269017U publication Critical patent/JPS6269017U/ja
Application granted granted Critical
Publication of JPH0422027Y2 publication Critical patent/JPH0422027Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Exhaust Gas After Treatment (AREA)
  • Supercharger (AREA)

Description

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

第１図は本考案の実施例の概略図であり、第２
図は過給機の直後でインタークーラを通過する前
の過給空気を二次空気とした場合の特性、第３図
はインタークーラを通過後の過給空気を二次空気
とした場合の特性をそれぞれ示す図である。 １…内燃機関本体、２…吸気通路、５…スロツ
トルバルブ、６…機械式過給機、１３…三元触媒
、１４…酸化触媒、２０…電子式制御装置（ＥＣ
Ｐ）、３０…二次空気供給通路、３１…二次空気
制御弁、３３…負圧制御弁、４０…インタークー
ラ。 FIG. 1 is a schematic diagram of an embodiment of the present invention, and FIG.
The figure shows the characteristics when the supercharged air immediately after the turbocharger and before passing through the intercooler is used as secondary air. Figure 3 shows the characteristics when the supercharged air after passing through the intercooler is used as secondary air. FIG. DESCRIPTION OF SYMBOLS 1... Internal combustion engine body, 2... Intake passage, 5... Throttle valve, 6... Mechanical supercharger, 13... Three-way catalyst, 14... Oxidation catalyst, 20... Electronic control device (EC
P), 30... Secondary air supply passage, 31... Secondary air control valve, 33... Negative pressure control valve, 40... Intercooler.

Claims (1)

【実用新案登録請求の範囲】 １ 吸気通路に機械式過給機を備え、排気通路に
酸化触媒を備えた内燃機関において、前記過給機
の下流の吸気通路に過給空気を冷却するインター
クーラを配置し、該インタークーラの下流の吸気
通路から前記酸化触媒の前部の排気通路へ二次空
気を供給する二次空気供給通路を設け、該二次空
気供給通路に内燃機関の一部の運転条件で閉成す
る制御弁を設けたことを特徴とする機械式過給機
付内燃機関の二次空気供給装置。 ２ スロツトルバルブ下流の吸気通路に機械式過
給機を設けた実用新案登録請求の範囲第１項記載
の装置。 ３ 酸化触媒の上流の排気通路に三元触媒を設け
、二次空気を該三元触媒と前記酸化触媒との間に
供給するようにした実用新案登録請求の範囲第１
項又は第２項記載の装置。[Claims for Utility Model Registration] 1. In an internal combustion engine equipped with a mechanical supercharger in the intake passage and an oxidation catalyst in the exhaust passage, an intercooler for cooling supercharged air is provided in the intake passage downstream of the supercharger. A secondary air supply passage is provided for supplying secondary air from an intake passage downstream of the intercooler to an exhaust passage in front of the oxidation catalyst, and a part of the internal combustion engine is provided in the secondary air supply passage. A secondary air supply device for an internal combustion engine with a mechanical supercharger, characterized in that it is provided with a control valve that closes under operating conditions. 2. The device according to claim 1, which is a registered utility model, in which a mechanical supercharger is provided in the intake passage downstream of the throttle valve. 3 Utility model registration claim 1, in which a three-way catalyst is provided in the exhaust passage upstream of the oxidation catalyst, and secondary air is supplied between the three-way catalyst and the oxidation catalyst.
The device according to paragraph 2 or paragraph 2.
JP1985160734U 1985-10-22 1985-10-22 Expired JPH0422027Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985160734U JPH0422027Y2 (en) 1985-10-22 1985-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985160734U JPH0422027Y2 (en) 1985-10-22 1985-10-22

Publications (2)

Publication Number Publication Date
JPS6269017U true JPS6269017U (en) 1987-04-30
JPH0422027Y2 JPH0422027Y2 (en) 1992-05-20

Family

ID=31086391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985160734U Expired JPH0422027Y2 (en) 1985-10-22 1985-10-22

Country Status (1)

Country Link
JP (1) JPH0422027Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015190467A (en) * 2014-03-27 2015-11-02 ゼネラル・エレクトリック・カンパニイ Emission control in rich burn natural gas engines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339775U (en) * 1976-09-08 1978-04-06
JPS5797012A (en) * 1980-12-09 1982-06-16 Kawasaki Heavy Ind Ltd Secondary air introduction mechanism for gasoline engine supercharged by exhaust turbine
JPS6158911A (en) * 1984-08-29 1986-03-26 Mazda Motor Corp Engine with supercharger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339775U (en) * 1976-09-08 1978-04-06
JPS5797012A (en) * 1980-12-09 1982-06-16 Kawasaki Heavy Ind Ltd Secondary air introduction mechanism for gasoline engine supercharged by exhaust turbine
JPS6158911A (en) * 1984-08-29 1986-03-26 Mazda Motor Corp Engine with supercharger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015190467A (en) * 2014-03-27 2015-11-02 ゼネラル・エレクトリック・カンパニイ Emission control in rich burn natural gas engines

Also Published As

Publication number Publication date
JPH0422027Y2 (en) 1992-05-20

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