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
Links
- 239000003054 catalyst Substances 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Supercharger (AREA)
Description
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)
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.
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)
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)
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 |
-
1985
- 1985-10-22 JP JP1985160734U patent/JPH0422027Y2/ja not_active Expired
Patent Citations (3)
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)
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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