JP4898109B2 - エンジンの排気システム - Google Patents
エンジンの排気システム Download PDFInfo
- Publication number
- JP4898109B2 JP4898109B2 JP2004302404A JP2004302404A JP4898109B2 JP 4898109 B2 JP4898109 B2 JP 4898109B2 JP 2004302404 A JP2004302404 A JP 2004302404A JP 2004302404 A JP2004302404 A JP 2004302404A JP 4898109 B2 JP4898109 B2 JP 4898109B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- pipe
- engine
- space
- purification device
- 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.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust Silencers (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
2 排気マニホールド
3 排気管
31 内管
32 外管
4 排気浄化装置
5 後部排気管
6 フランジ継手
7 流量制御弁
8a、8b、9 間隔保持スペーサ
Claims (2)
- エンジンの排気マニホールドと排気浄化装置との間の排気管を内外二重又は三重以上に形成し、
前記排気マニホールドからの排気を、前記内外二重又は三重以上の排気管の内管内を通して前記排気浄化装置に導くようにしたエンジンの排気システムにおいて、
前記排気管の上流部と下流部において前記内管と前記外管との間を所定間隔に且つスライド可能に保持する間隔保持スペーサを設け、前記下流部の間隔保持スペーサを排気が流通可能に屈曲した板材で形成し、
前記排気管の下流部の端部に、前記排気浄化装置への排気流量を制御すると同時に前記内管と外管との間の空間内への排気流入量を制御する流量制御弁を設け、
前記流量制御弁により、前記内管内を通った排気の一部を前記下流部の間隔保持スペーサ及び前記空間に通し、前記空間の上流部のEGR管を介してエンジンの吸気口に導くように構成すると共に、
前記内管の下流側端部と前記流量制御弁との間に隙間を設け、該隙間を介して前記内管と前記空間を連通することを特徴とするエンジンの排気システム。 - 前記板材を断面視波形に設けることを特徴とする請求項1記載のエンジンの排気システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004302404A JP4898109B2 (ja) | 2004-10-18 | 2004-10-18 | エンジンの排気システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004302404A JP4898109B2 (ja) | 2004-10-18 | 2004-10-18 | エンジンの排気システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006112369A JP2006112369A (ja) | 2006-04-27 |
JP4898109B2 true JP4898109B2 (ja) | 2012-03-14 |
Family
ID=36381091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004302404A Expired - Fee Related JP4898109B2 (ja) | 2004-10-18 | 2004-10-18 | エンジンの排気システム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4898109B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011052605A (ja) * | 2009-09-02 | 2011-03-17 | Yamaha Motor Co Ltd | 排気装置と、これを備えた鞍乗型車両と、排気管の製造、及び、取り付け方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0174316U (ja) * | 1987-11-06 | 1989-05-19 | ||
JP2530953Y2 (ja) * | 1990-08-20 | 1997-04-02 | 日産自動車株式会社 | ディーゼルエンジンの排気還流装置 |
JP3421420B2 (ja) * | 1994-03-09 | 2003-06-30 | 本田技研工業株式会社 | 自動2輪車の排気管装置 |
JPH09170431A (ja) * | 1995-12-19 | 1997-06-30 | Sango Co Ltd | 排気二重管 |
JP2002285916A (ja) * | 2001-03-27 | 2002-10-03 | Mitsubishi Motors Corp | 排気再循環装置 |
JP2003028008A (ja) * | 2001-07-13 | 2003-01-29 | Mitsubishi Motors Corp | 内燃機関のegr装置 |
-
2004
- 2004-10-18 JP JP2004302404A patent/JP4898109B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006112369A (ja) | 2006-04-27 |
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