JPH0399823U - - Google Patents
Info
- Publication number
- JPH0399823U JPH0399823U JP826290U JP826290U JPH0399823U JP H0399823 U JPH0399823 U JP H0399823U JP 826290 U JP826290 U JP 826290U JP 826290 U JP826290 U JP 826290U JP H0399823 U JPH0399823 U JP H0399823U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- diesel engine
- outlet pipes
- gas outlet
- collecting 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案を舶用主機関に適用した一実施
例を示す全体側面図、第２図は第１図の排気管の
合流部を示す部分拡大図、第３図は第２図のＡ点
、Ｂ点及びＣ点における排ガスの圧力波形図であ
る。
１……デイーゼルエンジン、２Ａ，２Ｂ……シ
リンダーグループ、３Ａ，３Ｂ……排ガス出口管
、４……合流継手、５……排ガス集合管、６……
エコノマイザー、７……煙突、８……ケーシング
、９……スライデイングプレート、１０……音圧
検出器。
Fig. 1 is an overall side view showing an embodiment in which the present invention is applied to a marine main engine, Fig. 2 is a partially enlarged view showing the confluence of the exhaust pipes in Fig. 1, and Fig. 3 is A in Fig. 2. FIG. 3 is a pressure waveform diagram of exhaust gas at points B, B, and C; 1... Diesel engine, 2A, 2B... Cylinder group, 3A, 3B... Exhaust gas outlet pipe, 4... Merging joint, 5... Exhaust gas collecting pipe, 6...
Economizer, 7...Chimney, 8...Casing, 9...Sliding plate, 10...Sound pressure detector.
Claims (1)
ンにおいて、上記２本の排ガス出口管を１つの排
ガス集合管に合流するまでの長さの差を排ガス音
の波長の1/2にしたことを特徴とするデイーゼル
エンジンの排ガス消音装置。 A diesel engine having two exhaust gas outlet pipes, characterized in that the difference in length between the two exhaust gas outlet pipes until they merge into one exhaust gas collecting pipe is set to 1/2 of the wavelength of the exhaust gas sound. Diesel engine exhaust gas muffling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP826290U JPH0399823U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP826290U JPH0399823U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399823U true JPH0399823U (en) | 1991-10-18 |
Family
ID=31511895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP826290U Pending JPH0399823U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399823U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144689A (en) * | 2003-11-11 | 2005-06-09 | Okamura Corp | Writing board |
| JP2005144688A (en) * | 2003-11-11 | 2005-06-09 | Okamura Corp | Writing board apparatus |
| JP2014224529A (en) * | 2013-04-26 | 2014-12-04 | 独立行政法人海上技術安全研究所 | Exhaust gas system for heat engine and ship |
-
1990
- 1990-01-31 JP JP826290U patent/JPH0399823U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005144689A (en) * | 2003-11-11 | 2005-06-09 | Okamura Corp | Writing board |
| JP2005144688A (en) * | 2003-11-11 | 2005-06-09 | Okamura Corp | Writing board apparatus |
| JP2014224529A (en) * | 2013-04-26 | 2014-12-04 | 独立行政法人海上技術安全研究所 | Exhaust gas system for heat engine and ship |