JPS4995049A - - Google Patents
Info
- Publication number
- JPS4995049A JPS4995049A JP11803473A JP11803473A JPS4995049A JP S4995049 A JPS4995049 A JP S4995049A JP 11803473 A JP11803473 A JP 11803473A JP 11803473 A JP11803473 A JP 11803473A JP S4995049 A JPS4995049 A JP S4995049A
- Authority
- JP
- Japan
- 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
Classifications
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- 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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
- F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
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- 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
-
- 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/15—Plurality of resonance or dead chambers
- F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4980472A GB1419781A (en) | 1972-10-28 | 1972-10-28 | Exhaust silencers |
| GB1867573 | 1973-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4995049A true JPS4995049A (it) | 1974-09-10 |
Family
ID=26253531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11803473A Pending JPS4995049A (it) | 1972-10-28 | 1973-10-22 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4995049A (it) |
| DE (1) | DE2353722A1 (it) |
| GB (1) | GB1419781A (it) |
| IT (1) | IT998965B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370855A (en) * | 1979-06-25 | 1983-02-01 | Emerson Electric Co. | Muffler for portable engine |
| US4286675A (en) * | 1979-06-25 | 1981-09-01 | Beaird-Poulan Division Of Emerson Electric Co. | Narrow profile power handle for line trimmer and the like |
| TW201233887A (en) * | 2010-10-08 | 2012-08-16 | Pinnacle Engines Inc | Integrated muffler and emissions control for engine exhaust |
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1972
- 1972-10-28 GB GB4980472A patent/GB1419781A/en not_active Expired
-
1973
- 1973-10-22 JP JP11803473A patent/JPS4995049A/ja active Pending
- 1973-10-25 IT IT3057273A patent/IT998965B/it active
- 1973-10-26 DE DE19732353722 patent/DE2353722A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1419781A (en) | 1975-12-31 |
| DE2353722A1 (de) | 1974-05-02 |
| IT998965B (it) | 1976-02-20 |