JP5023149B2 - 自動車の排気管装置 - Google Patents
自動車の排気管装置 Download PDFInfo
- Publication number
- JP5023149B2 JP5023149B2 JP2009515057A JP2009515057A JP5023149B2 JP 5023149 B2 JP5023149 B2 JP 5023149B2 JP 2009515057 A JP2009515057 A JP 2009515057A JP 2009515057 A JP2009515057 A JP 2009515057A JP 5023149 B2 JP5023149 B2 JP 5023149B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- outer cylinder
- exhaust
- gap
- area
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/086—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling having means to impart whirling motion to the gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Description
│ CO(%) │ HC(PPM)
────────┼────────┼───────
10年前規制 │ 4.5 │ 1200
06年規制 │ 1.0 │ 300
本発明品(一基)│ 0.5 │ 280
本発明品(二基)│ 0.25 │ 250
│ │
1 外筒
2 拡散盤
3 入孔
4 出孔
5 翼状ステー(ステー)
6 第一拡散室
7 第二拡散室
S 間隙
Claims (1)
- 自動車の排気管に挿設される排気管装置であり、両端に入孔と出孔が形成される外筒の中に出孔側に径が拡大するテーパ形をした拡散盤を外筒に対して正面視で彎曲内面がほぼ真っ直ぐな彎曲している複数の翼状ステーで固定するとともに、拡散盤の最大外周と外筒の内周との間に間隙を確保してこの間隙の面積を外筒の入孔の面積よりも大きく設定する一方、拡散盤を超えた外筒の出孔までを空虚な空間とし、その長さは外筒の内径よりも大きいものにしたことを特徴とする自動車の排気管装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/060567 WO2008142789A1 (ja) | 2007-05-17 | 2007-05-17 | 自動車の排気管装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008142789A1 JPWO2008142789A1 (ja) | 2010-08-05 |
JP5023149B2 true JP5023149B2 (ja) | 2012-09-12 |
Family
ID=40031516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009515057A Expired - Fee Related JP5023149B2 (ja) | 2007-05-17 | 2007-05-17 | 自動車の排気管装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5023149B2 (ja) |
WO (1) | WO2008142789A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09310610A (ja) * | 1996-05-21 | 1997-12-02 | Hitachi Chem Co Ltd | 複合効果型消音器 |
US5962822A (en) * | 1998-06-23 | 1999-10-05 | May; Daniel A. | Muffler/exhaust extractor and method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5655722U (ja) * | 1979-10-06 | 1981-05-14 | ||
JPH01124016U (ja) * | 1988-02-12 | 1989-08-23 |
-
2007
- 2007-05-17 WO PCT/JP2007/060567 patent/WO2008142789A1/ja active Application Filing
- 2007-05-17 JP JP2009515057A patent/JP5023149B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09310610A (ja) * | 1996-05-21 | 1997-12-02 | Hitachi Chem Co Ltd | 複合効果型消音器 |
US5962822A (en) * | 1998-06-23 | 1999-10-05 | May; Daniel A. | Muffler/exhaust extractor and method |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008142789A1 (ja) | 2010-08-05 |
WO2008142789A1 (ja) | 2008-11-27 |
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