CH478336A - Exhaust silencers, in particular for rotary piston engines - Google Patents
Exhaust silencers, in particular for rotary piston enginesInfo
- Publication number
- CH478336A CH478336A CH560668A CH560668A CH478336A CH 478336 A CH478336 A CH 478336A CH 560668 A CH560668 A CH 560668A CH 560668 A CH560668 A CH 560668A CH 478336 A CH478336 A CH 478336A
- Authority
- CH
- Switzerland
- Prior art keywords
- rotary piston
- piston engines
- exhaust silencers
- silencers
- exhaust
- 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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
-
- 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
- F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
-
- 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
- F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
-
- 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
- F01N1/24—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
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB0095414 | 1967-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH478336A true CH478336A (en) | 1969-09-15 |
Family
ID=6988136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH560668A CH478336A (en) | 1967-11-15 | 1968-04-17 | Exhaust silencers, in particular for rotary piston engines |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE714642A (en) |
CH (1) | CH478336A (en) |
DE (1) | DE1576754A1 (en) |
FR (1) | FR1573620A (en) |
NL (1) | NL6805865A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3724087A1 (en) * | 1987-07-21 | 1989-02-02 | Leistritz Ag | Exhaust silencer |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2257852C2 (en) * | 1972-11-25 | 1986-07-17 | Fa. J. Eberspächer, 7300 Esslingen | Exhaust silencer for multi-cylinder internal combustion engines |
DE2857716C2 (en) * | 1977-05-27 | 1986-08-28 | Honda Giken Kogyo K.K., Tokio/Tokyo | Expansion chamber for an exhaust system for internal combustion engines |
US4192402A (en) | 1977-05-27 | 1980-03-11 | Honda Giken Kogyo Kabushiki Kaisha | Muffler for internal combustion engines |
DE8021494U1 (en) * | 1980-08-11 | 1980-11-20 | Fichtel & Sachs Ag, 8720 Schweinfurt | EXHAUST Muffler FOR A TWO-STROKE INTERNATIONAL ENGINE |
CN106368783B (en) * | 2016-09-26 | 2018-12-14 | 南京航空航天大学 | Full frequency band large noise elimination quantity auto NVH tests absolute silencer |
-
1967
- 1967-11-15 DE DE19671576754 patent/DE1576754A1/en active Pending
-
1968
- 1968-04-17 CH CH560668A patent/CH478336A/en not_active IP Right Cessation
- 1968-04-25 NL NL6805865A patent/NL6805865A/xx unknown
- 1968-05-03 BE BE714642D patent/BE714642A/xx unknown
- 1968-07-12 FR FR1573620D patent/FR1573620A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3724087A1 (en) * | 1987-07-21 | 1989-02-02 | Leistritz Ag | Exhaust silencer |
Also Published As
Publication number | Publication date |
---|---|
FR1573620A (en) | 1969-07-04 |
BE714642A (en) | 1968-09-30 |
DE1576754A1 (en) | 1970-03-26 |
NL6805865A (en) | 1969-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |