GB2488535B - Air duct attenuator - Google Patents

Air duct attenuator

Info

Publication number: GB2488535B
Authority: GB; United Kingdom
Prior art keywords: attenuator; air duct; duct; air; duct attenuator
Prior art date: 2011-02-21
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

GB201102974A

Other versions

GB2488535A (en

GB201102974D0 (en

Inventor

Raymond Cheung

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.)

2011-02-21

Filing date

2011-02-21

Publication date

2015-04-22

2011-02-21 Application filed by Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd

2011-02-21 Priority to GB201102974A priority Critical patent/GB2488535B/en

2011-04-06 Publication of GB201102974D0 publication Critical patent/GB201102974D0/en

2011-10-18 Priority to JP2011228998A priority patent/JP5773836B2/en

2011-10-18 Priority to CN201110319455.6A priority patent/CN102606270B/en

2011-10-18 Priority to EP11185666.2A priority patent/EP2444648B1/en

2011-10-18 Priority to US13/275,830 priority patent/US8408357B2/en

2012-09-05 Publication of GB2488535A publication Critical patent/GB2488535A/en

2015-04-22 Application granted granted Critical

2015-04-22 Publication of GB2488535B publication Critical patent/GB2488535B/en

Status Active legal-status Critical Current

2031-02-21 Anticipated expiration legal-status Critical

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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1233—Flow throttling or guiding by using expansion chambers in the air intake flow path
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1261—Helmholtz resonators
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1266—Intake silencers ; Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Air Bags (AREA)
Exhaust Silencers (AREA)

GB201102974A 2010-10-19 2011-02-21 Air duct attenuator Active GB2488535B (en)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
GB201102974A GB2488535B (en)	2011-02-21	2011-02-21	Air duct attenuator
JP2011228998A JP5773836B2 (en)	2010-10-19	2011-10-18	Air duct attenuator
CN201110319455.6A CN102606270B (en)	2010-10-19	2011-10-18	Air duct attenuator and there is electromotor or the vehicle of this attenuator
EP11185666.2A EP2444648B1 (en)	2010-10-19	2011-10-18	Air duct attenuator
US13/275,830 US8408357B2 (en)	2010-10-19	2011-10-18	Air duct attenuator

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB201102974A GB2488535B (en)	2011-02-21	2011-02-21	Air duct attenuator

Publications (3)

Publication Number	Publication Date
GB201102974D0 GB201102974D0 (en)	2011-04-06
GB2488535A GB2488535A (en)	2012-09-05
GB2488535B true GB2488535B (en)	2015-04-22

Family

ID=43881428

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB201102974A Active GB2488535B (en)	2010-10-19	2011-02-21	Air duct attenuator

Country Status (1)

Country	Link
GB (1)	GB2488535B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2311676A (en) *	1941-07-02	1943-02-23	Maxim Silencer Co	Silencer
US4371053A (en) *	1980-03-17	1983-02-01	Hills Industrie Limited	Perforate tube muffler
US5349141A (en) *	1992-08-31	1994-09-20	Tsuchiya Mfg. Co., Ltd.	Resonator type silencer having plural resonance chambers
US5365025A (en) *	1992-01-24	1994-11-15	Tennessee Gas Pipeline Company	Low backpressure straight-through reactive and dissipative muffler
JP2000240520A (en) *	1999-02-19	2000-09-05	Kojima Press Co Ltd	Muffler
GB2389149A (en) *	2001-09-07	2003-12-03	Avon Polymer Prod Ltd	Noise suppressor eg for vehicular turbocharger duct
US6752240B1 (en) *	2002-11-05	2004-06-22	Brunswick Corporation	Sound attenuator for a supercharged marine propulsion device
FR2871547A1 (en) *	2004-06-14	2005-12-16	Microdb Sa	Gas noise attenuation device for internal combustion engine of motor vehicle, has outer tube defining closed chamber with conduit and comprising wall not parallel to wall of conduit on section of length of chamber
GB2485138A (en) *	2010-10-19	2012-05-09	Jaguar Cars	Air Duct Attenuator

2011
- 2011-02-21 GB GB201102974A patent/GB2488535B/en active Active

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2311676A (en) *	1941-07-02	1943-02-23	Maxim Silencer Co	Silencer
US4371053A (en) *	1980-03-17	1983-02-01	Hills Industrie Limited	Perforate tube muffler
US5365025A (en) *	1992-01-24	1994-11-15	Tennessee Gas Pipeline Company	Low backpressure straight-through reactive and dissipative muffler
US5349141A (en) *	1992-08-31	1994-09-20	Tsuchiya Mfg. Co., Ltd.	Resonator type silencer having plural resonance chambers
JP2000240520A (en) *	1999-02-19	2000-09-05	Kojima Press Co Ltd	Muffler
GB2389149A (en) *	2001-09-07	2003-12-03	Avon Polymer Prod Ltd	Noise suppressor eg for vehicular turbocharger duct
US6752240B1 (en) *	2002-11-05	2004-06-22	Brunswick Corporation	Sound attenuator for a supercharged marine propulsion device
FR2871547A1 (en) *	2004-06-14	2005-12-16	Microdb Sa	Gas noise attenuation device for internal combustion engine of motor vehicle, has outer tube defining closed chamber with conduit and comprising wall not parallel to wall of conduit on section of length of chamber
GB2485138A (en) *	2010-10-19	2012-05-09	Jaguar Cars	Air Duct Attenuator

Also Published As

Publication number	Publication date
GB2488535A (en)	2012-09-05
GB201102974D0 (en)	2011-04-06

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