GB2551578B - Conduit for reducing noise - Google Patents
Conduit for reducing noiseInfo
- Publication number
- GB2551578B GB2551578B GB1611026.4A GB201611026A GB2551578B GB 2551578 B GB2551578 B GB 2551578B GB 201611026 A GB201611026 A GB 201611026A GB 2551578 B GB2551578 B GB 2551578B
- Authority
- GB
- United Kingdom
- Prior art keywords
- conduit
- reducing noise
- noise
- reducing
- 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.)
- Active
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
- F01N1/023—Helmholtz resonators
-
- 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
- F01N1/24—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
- 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
- F01N2470/02—Tubes being perforated
- F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures
-
- 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
-
- 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
-
- 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
- F01N2490/18—Dimensional characteristics of gas chambers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1611026.4A GB2551578B (en) | 2016-06-24 | 2016-06-24 | Conduit for reducing noise |
GB1709920.1A GB2551650A (en) | 2016-06-24 | 2017-06-21 | Conduit for reducing noise |
PCT/EP2017/065280 WO2017220675A1 (en) | 2016-06-24 | 2017-06-21 | Conduit for reducing noise |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1611026.4A GB2551578B (en) | 2016-06-24 | 2016-06-24 | Conduit for reducing noise |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201611026D0 GB201611026D0 (en) | 2016-08-10 |
GB2551578A GB2551578A (en) | 2017-12-27 |
GB2551578B true GB2551578B (en) | 2019-12-11 |
Family
ID=56891569
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1611026.4A Active GB2551578B (en) | 2016-06-24 | 2016-06-24 | Conduit for reducing noise |
GB1709920.1A Withdrawn GB2551650A (en) | 2016-06-24 | 2017-06-21 | Conduit for reducing noise |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1709920.1A Withdrawn GB2551650A (en) | 2016-06-24 | 2017-06-21 | Conduit for reducing noise |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB2551578B (en) |
WO (1) | WO2017220675A1 (en) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204723A (en) * | 1962-05-08 | 1965-09-07 | Natalie Payne | Exhaust muffler with filling of porous ceramic cinders and method of making same |
AU541617B2 (en) * | 1980-03-17 | 1985-01-17 | Walker Australia Pty Ltd | Resonance muffler with means for preventing whistling through apetured exhaust pipe |
US5350888A (en) * | 1992-05-01 | 1994-09-27 | Tennessee Gas Pipeline Company | Broad band low frequency passive muffler |
US5371331A (en) * | 1993-06-25 | 1994-12-06 | Wall; Alan T. | Modular muffler for motor vehicles |
EP1442905A2 (en) * | 2003-01-31 | 2004-08-04 | J. Eberspächer GmbH & Co. KG | Silencer for a heater, in particular for a vehicle heating device |
US20080245606A1 (en) * | 2007-04-09 | 2008-10-09 | Ching-Lin Wu | Automotive muffler |
US20110088968A1 (en) * | 2009-10-16 | 2011-04-21 | Ti Automotive Engineering Centre (Heidelberg) Gmbh | Sound absorber for a pipe-shaped, cavity-forming body |
US8256569B1 (en) * | 2010-10-04 | 2012-09-04 | Huff Dennis L | Exhaust sound attenuation device and method of use |
US20140090922A1 (en) * | 2012-09-28 | 2014-04-03 | Fisher Controls International Llc | Simplified modal attenuator |
US20140140897A1 (en) * | 2012-11-20 | 2014-05-22 | Tenneco Automotive Operating Company Inc. | Loose-Fill Insulation Exhaust Gas Treatment Device and Methods of Manufacturing |
WO2014076355A1 (en) * | 2012-11-15 | 2014-05-22 | Wärtsilä Finland Oy | An exhaust gas noise attenuator unit for internal combustion piston engine |
US20150152762A1 (en) * | 2012-08-28 | 2015-06-04 | Tenneco Gmbh | Exhaust-gas heat exchanger |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2191620A (en) * | 1936-09-26 | 1940-02-27 | Gen Motors Corp | Resonator silencer |
US4706454A (en) * | 1986-01-31 | 1987-11-17 | Johnny M. Smith, Jr. | Vehicle anti-pollution exhaust device |
ATE286202T1 (en) * | 2002-06-18 | 2005-01-15 | Benteler Automobiltechnik Gmbh | DEVICE FOR REDUCING SOUND EMISSIONS AND METHOD FOR PRODUCING SUCH A DEVICE |
FR2865766B1 (en) * | 2004-01-30 | 2008-01-04 | Hutchinson | SILENCER FOR EXHAUST LINE OF A VEHICLE ENGINE AND METHOD OF MOUNTING |
CA2806707C (en) * | 2010-03-23 | 2017-08-22 | Novo Plastics Inc. | Exhaust subsystem with polymer housing |
-
2016
- 2016-06-24 GB GB1611026.4A patent/GB2551578B/en active Active
-
2017
- 2017-06-21 WO PCT/EP2017/065280 patent/WO2017220675A1/en active Application Filing
- 2017-06-21 GB GB1709920.1A patent/GB2551650A/en not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204723A (en) * | 1962-05-08 | 1965-09-07 | Natalie Payne | Exhaust muffler with filling of porous ceramic cinders and method of making same |
AU541617B2 (en) * | 1980-03-17 | 1985-01-17 | Walker Australia Pty Ltd | Resonance muffler with means for preventing whistling through apetured exhaust pipe |
US5350888A (en) * | 1992-05-01 | 1994-09-27 | Tennessee Gas Pipeline Company | Broad band low frequency passive muffler |
US5371331A (en) * | 1993-06-25 | 1994-12-06 | Wall; Alan T. | Modular muffler for motor vehicles |
EP1442905A2 (en) * | 2003-01-31 | 2004-08-04 | J. Eberspächer GmbH & Co. KG | Silencer for a heater, in particular for a vehicle heating device |
US20080245606A1 (en) * | 2007-04-09 | 2008-10-09 | Ching-Lin Wu | Automotive muffler |
US20110088968A1 (en) * | 2009-10-16 | 2011-04-21 | Ti Automotive Engineering Centre (Heidelberg) Gmbh | Sound absorber for a pipe-shaped, cavity-forming body |
US8256569B1 (en) * | 2010-10-04 | 2012-09-04 | Huff Dennis L | Exhaust sound attenuation device and method of use |
US20150152762A1 (en) * | 2012-08-28 | 2015-06-04 | Tenneco Gmbh | Exhaust-gas heat exchanger |
US20140090922A1 (en) * | 2012-09-28 | 2014-04-03 | Fisher Controls International Llc | Simplified modal attenuator |
WO2014076355A1 (en) * | 2012-11-15 | 2014-05-22 | Wärtsilä Finland Oy | An exhaust gas noise attenuator unit for internal combustion piston engine |
US20140140897A1 (en) * | 2012-11-20 | 2014-05-22 | Tenneco Automotive Operating Company Inc. | Loose-Fill Insulation Exhaust Gas Treatment Device and Methods of Manufacturing |
Also Published As
Publication number | Publication date |
---|---|
GB2551650A (en) | 2017-12-27 |
GB201611026D0 (en) | 2016-08-10 |
GB2551578A (en) | 2017-12-27 |
GB201709920D0 (en) | 2017-08-02 |
WO2017220675A1 (en) | 2017-12-28 |
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