SE9903168D0 - Anordning och förfarande vid ljuddämpande enhet - Google Patents
Anordning och förfarande vid ljuddämpande enhetInfo
- Publication number
- SE9903168D0 SE9903168D0 SE9903168A SE9903168A SE9903168D0 SE 9903168 D0 SE9903168 D0 SE 9903168D0 SE 9903168 A SE9903168 A SE 9903168A SE 9903168 A SE9903168 A SE 9903168A SE 9903168 D0 SE9903168 D0 SE 9903168D0
- Authority
- SE
- Sweden
- Prior art keywords
- opening degree
- throttle
- flow path
- arrangement
- detecting
- Prior art date
Links
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
- F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
-
- 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
- F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
-
- 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
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
-
- 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
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
-
- 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
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
-
- 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
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- 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
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Pipe Accessories (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9903168A SE521329C2 (sv) | 1999-09-06 | 1999-09-06 | Anordning och förfarande vid ljuddämpande enhet |
PCT/SE2000/001695 WO2001018365A1 (en) | 1999-09-06 | 2000-09-04 | Arrangement at a silencer and method for reduction of noise from a gas flow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9903168A SE521329C2 (sv) | 1999-09-06 | 1999-09-06 | Anordning och förfarande vid ljuddämpande enhet |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9903168D0 true SE9903168D0 (sv) | 1999-09-06 |
SE9903168L SE9903168L (sv) | 2001-03-07 |
SE521329C2 SE521329C2 (sv) | 2003-10-21 |
Family
ID=20416893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9903168A SE521329C2 (sv) | 1999-09-06 | 1999-09-06 | Anordning och förfarande vid ljuddämpande enhet |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE521329C2 (sv) |
WO (1) | WO2001018365A1 (sv) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2072372A (en) * | 1934-02-23 | 1937-03-02 | Riethmiller Ruth | Exhaust system for automotive engines |
NZ240672A (en) * | 1991-12-04 | 1995-10-26 | Graeme Charles Stephens | Muffler with valve controlled through passage |
EP0733785B1 (en) * | 1995-02-24 | 2003-07-16 | Calsonic Kansei Corporation | Muffler controller for use in controllable exhaust system of internal combustion engine |
DE19540716C1 (de) * | 1995-11-02 | 1997-04-17 | Gillet Heinrich Gmbh | Schalldämpfer mit variabler Dämpfungscharakteristik |
SE517825C2 (sv) * | 1997-11-14 | 2002-07-23 | Volvo Car Corp | Anordning och förfarande vid ljuddämpande enhet samt användning av anordningen vid ett motorfordon |
-
1999
- 1999-09-06 SE SE9903168A patent/SE521329C2/sv not_active IP Right Cessation
-
2000
- 2000-09-04 WO PCT/SE2000/001695 patent/WO2001018365A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
SE9903168L (sv) | 2001-03-07 |
SE521329C2 (sv) | 2003-10-21 |
WO2001018365A1 (en) | 2001-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |