JPS60167121U - Catalyst heat retention device for internal combustion engine with supercharger - Google Patents
Catalyst heat retention device for internal combustion engine with superchargerInfo
- Publication number
- JPS60167121U JPS60167121U JP5437484U JP5437484U JPS60167121U JP S60167121 U JPS60167121 U JP S60167121U JP 5437484 U JP5437484 U JP 5437484U JP 5437484 U JP5437484 U JP 5437484U JP S60167121 U JPS60167121 U JP S60167121U
- Authority
- JP
- Japan
- Prior art keywords
- supercharger
- catalyst
- combustion engine
- internal combustion
- heat retention
- 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
Links
Landscapes
- Supercharger (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
第１図は従来の過給機付内燃機関の要部を示す断面図、
第２図はこの考案に係る過給機付内燃機関の要部各所を
示す断面図、第３図はこの考案の第２実施例を示す部分
断面図、第４図は第２実施例に供されるシリンダを示す
断面図である。
１１・・・排気通路、１２・・・過給機、１３・・・吸
気通路、１４・・・コンプレッサ、１５・・・触媒、１
６・・・触媒容器、１７・・・バイパス通路、１８・・
・バイパス弁、１９・・・保温室、２０・・・外気導入
口、２１・・・外気排出口、２２・・・開閉弁、２３・
・・アクチュエータ。
１・・□
、 −第３図
千７μ？４Figure 1 is a sectional view showing the main parts of a conventional internal combustion engine with a supercharger.
Fig. 2 is a sectional view showing the main parts of a supercharged internal combustion engine according to this invention, Fig. 3 is a partial sectional view showing a second embodiment of this invention, and Fig. 4 is a partial sectional view showing the second embodiment of the invention. FIG. 2 is a sectional view showing a cylinder. 11... Exhaust passage, 12... Supercharger, 13... Intake passage, 14... Compressor, 15... Catalyst, 1
6...Catalyst container, 17...Bypass passage, 18...
・Bypass valve, 19... Warming room, 20... Outside air inlet, 21... Outside air outlet, 22... Opening/closing valve, 23.
...actuator. 1...□ , -Figure 3 1,700μ? 4
Claims (1)
の下流に設けられた触媒と、上記タービンをバイパスし
、かつ上記触媒の上流で上記排気通路と合流したバイパ
ス通路と、該バイパス通路に過給圧に応じて開閉するバ
イパス弁と、上記触媒の容器外周に形成されかつ外気導
入口と連通ずる保温室と、上記バイパス弁の開作動と連
動して上記外気導入口を開く開閉弁とを備えたことを特
徴とする過給機付内燃機関の触媒保温装置。A supercharger with a turbine provided in an exhaust passage, a catalyst provided downstream of the supercharger, a bypass passage that bypasses the turbine and joins the exhaust passage upstream of the catalyst; a bypass valve that opens and closes in accordance with boost pressure in the bypass passage; an insulating chamber that is formed around the outer periphery of the catalyst container and communicates with the outside air inlet; and the outside air inlet opens in conjunction with the opening operation of the bypass valve. A catalyst heat retention device for an internal combustion engine with a supercharger, characterized by comprising an on-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5437484U JPS60167121U (en) | 1984-04-13 | 1984-04-13 | Catalyst heat retention device for internal combustion engine with supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5437484U JPS60167121U (en) | 1984-04-13 | 1984-04-13 | Catalyst heat retention device for internal combustion engine with supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60167121U true JPS60167121U (en) | 1985-11-06 |
Family
ID=30576072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5437484U Pending JPS60167121U (en) | 1984-04-13 | 1984-04-13 | Catalyst heat retention device for internal combustion engine with supercharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60167121U (en) |
-
1984
- 1984-04-13 JP JP5437484U patent/JPS60167121U/en active Pending
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