JPS5962259U - Heat retention device for exhaust gas recirculation path in exhaust gas recirculation system of internal combustion engine - Google Patents
Heat retention device for exhaust gas recirculation path in exhaust gas recirculation system of internal combustion engineInfo
- Publication number
- JPS5962259U JPS5962259U JP15851982U JP15851982U JPS5962259U JP S5962259 U JPS5962259 U JP S5962259U JP 15851982 U JP15851982 U JP 15851982U JP 15851982 U JP15851982 U JP 15851982U JP S5962259 U JPS5962259 U JP S5962259U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- combustion engine
- internal combustion
- pipe
- 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
- Exhaust-Gas Circulating Devices (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１〜３図は本考案の第一実施例で、第１図は内燃機関
の排気還流装置の概略側面図、第２図は排気還流パイプ
の側面図、第３図は該パイプの縦断側面図、第４，５図
は本考案の第二実施例で、第４図は排気還流路の縦断面
図、第５図はその横断面図である。
Ｅｘ・・・・・・排気系、Ｉｎ・・・・・・吸気系、Ｐ
・：・・・・排気還流路、１・・・・・・内燃機関本体
、５，５′・・・・・・排気還流パイプ、６・・・・・
・保温層、１２・・開学気層、１３・・・・・・外パイ
プ。Figures 1 to 3 show a first embodiment of the present invention, in which Figure 1 is a schematic side view of an exhaust gas recirculation device for an internal combustion engine, Figure 2 is a side view of an exhaust gas recirculation pipe, and Figure 3 is a longitudinal side view of the pipe. 4 and 5 show a second embodiment of the present invention, in which FIG. 4 is a longitudinal cross-sectional view of the exhaust gas recirculation path, and FIG. 5 is a cross-sectional view thereof. Ex...Exhaust system, In...Intake system, P
・：・・・Exhaust recirculation path, 1...Internal combustion engine body, 5, 5'...Exhaust recirculation pipe, 6...
・Heat insulation layer, 12...Opening air layer, 13...Outer pipe.
Claims (1)
Ｐを以て連通し、排気系Ｅｘ内を流れる排気の一部を吸
気系Ｉｎ内を流れる混合気中に還流させるようにした、
内燃機関の排気還流装置において、前記排気還流路Ｐを
内燃機関本体１と別体に形成し、該排気還流路Ｐは排気
還流パイプ５；５′ と、該パイプ５；５′の外周を囲
繞する保温層６とより構成してなる、内燃機関の排気還
流装置における排気還流路の保温装置。 ■ 前記実用新案登録請求の範囲第０項記載の内燃機関
の排気還流装置における排気還流路の保温装置において
、前記保温層６を、前記排気還流パイプ５′の外周を囲
繞するステンレス鋼等の外パイプ１３と、該外パイプ１
３と排気還流パイプ５′間に形成される空気層１２とよ
り構成してなる、内燃機関の排気還流装置における排気
還流路の保温装置。[Scope of Claim for Utility Model Registration] ■ The exhaust system Ex and intake system In of an internal combustion engine are connected through an exhaust gas recirculation path P, and part of the exhaust gas flowing through the exhaust system Ex is added to the air-fuel mixture flowing through the intake system In. I tried to make it reflux,
In an exhaust gas recirculation system for an internal combustion engine, the exhaust gas recirculation path P is formed separately from the internal combustion engine main body 1, and the exhaust gas recirculation path P surrounds an exhaust gas recirculation pipe 5; 5' and the outer periphery of the pipe 5; 5'. A heat insulating device for an exhaust gas recirculation path in an exhaust gas recirculation device for an internal combustion engine, comprising a heat insulating layer 6. (2) In the heat insulating device for the exhaust gas recirculation path in the exhaust gas recirculation system for an internal combustion engine as set forth in claim 0 of the utility model registration, the heat insulating layer 6 is made of a material such as stainless steel that surrounds the outer periphery of the exhaust gas recirculation pipe 5'. pipe 13 and the outer pipe 1
3 and an air layer 12 formed between the exhaust gas recirculation pipe 5'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15851982U JPS5962259U (en) | 1982-10-20 | 1982-10-20 | Heat retention device for exhaust gas recirculation path in exhaust gas recirculation system of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15851982U JPS5962259U (en) | 1982-10-20 | 1982-10-20 | Heat retention device for exhaust gas recirculation path in exhaust gas recirculation system of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5962259U true JPS5962259U (en) | 1984-04-24 |
Family
ID=30349187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15851982U Pending JPS5962259U (en) | 1982-10-20 | 1982-10-20 | Heat retention device for exhaust gas recirculation path in exhaust gas recirculation system of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5962259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61107958U (en) * | 1984-12-19 | 1986-07-09 |
-
1982
- 1982-10-20 JP JP15851982U patent/JPS5962259U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61107958U (en) * | 1984-12-19 | 1986-07-09 |
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