GB2551578B - Conduit for reducing noise - Google Patents

Conduit for reducing noise

Info

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
Application number
GB1611026.4A
Other versions
GB201611026D0 (en
GB2551578A (en
Inventor
Petley Dean
Fletcher Simon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jaguar Land Rover Ltd
Original Assignee
Jaguar Land Rover Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd
Priority to GB1611026.4A priority Critical patent/GB2551578B/en
Publication of GB201611026D0 publication Critical patent/GB201611026D0/en
Priority to GB1709920.1A priority patent/GB2551650A/en
Priority to PCT/EP2017/065280 priority patent/WO2017220675A1/en
Publication of GB2551578A publication Critical patent/GB2551578A/en
Application granted granted Critical
Publication of GB2551578B publication Critical patent/GB2551578B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
GB1611026.4A 2016-06-24 2016-06-24 Conduit for reducing noise Active GB2551578B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (12)

* Cited by examiner, † Cited by third party
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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