GB201805786D0 - An attenuator for a fluid duct - Google Patents
An attenuator for a fluid ductInfo
- Publication number
- GB201805786D0 GB201805786D0 GBGB1805786.9A GB201805786A GB201805786D0 GB 201805786 D0 GB201805786 D0 GB 201805786D0 GB 201805786 A GB201805786 A GB 201805786A GB 201805786 D0 GB201805786 D0 GB 201805786D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- attenuator
- fluid duct
- duct
- fluid
- 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.)
- Granted
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
- F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
- F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
-
- 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
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/02—Tubes being perforated
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1805786.9A GB2572644B (en) | 2018-04-06 | 2018-04-06 | An attenuator having a perforated fluid duct surrounded by an enclosure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1805786.9A GB2572644B (en) | 2018-04-06 | 2018-04-06 | An attenuator having a perforated fluid duct surrounded by an enclosure |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201805786D0 true GB201805786D0 (en) | 2018-05-23 |
GB2572644A GB2572644A (en) | 2019-10-09 |
GB2572644B GB2572644B (en) | 2020-11-18 |
Family
ID=62202978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1805786.9A Active GB2572644B (en) | 2018-04-06 | 2018-04-06 | An attenuator having a perforated fluid duct surrounded by an enclosure |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2572644B (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3987868A (en) * | 1971-02-23 | 1976-10-26 | Betts William M | Silencing device for internal combustion engines |
FR2656037A1 (en) * | 1989-12-20 | 1991-06-21 | Devil | EXHAUST EXHAUST WITH PURIFIER. |
SE505569C2 (en) * | 1995-12-11 | 1997-09-15 | Abb Flaekt Marine Ab | Reactor chamber for catalytic purification of exhaust gas from diesel engine |
JP2003097246A (en) * | 2001-09-21 | 2003-04-03 | Sango Co Ltd | Muffler |
JP2007005178A (en) * | 2005-06-24 | 2007-01-11 | Toyota Motor Corp | Noise eliminator for fuel cell |
JP4975316B2 (en) * | 2005-12-21 | 2012-07-11 | 株式会社熊谷組 | Duct parts and duct structure |
US8256569B1 (en) * | 2010-10-04 | 2012-09-04 | Huff Dennis L | Exhaust sound attenuation device and method of use |
JP2013029046A (en) * | 2011-07-27 | 2013-02-07 | Toyota Motor Corp | Vehicle muffler |
-
2018
- 2018-04-06 GB GB1805786.9A patent/GB2572644B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB2572644A (en) | 2019-10-09 |
GB2572644B (en) | 2020-11-18 |
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