EP2858066A3 - Systèmes de suppression de bruit - Google Patents
Systèmes de suppression de bruit Download PDFInfo
- Publication number
- EP2858066A3 EP2858066A3 EP20140187406 EP14187406A EP2858066A3 EP 2858066 A3 EP2858066 A3 EP 2858066A3 EP 20140187406 EP20140187406 EP 20140187406 EP 14187406 A EP14187406 A EP 14187406A EP 2858066 A3 EP2858066 A3 EP 2858066A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- micro
- frequency range
- boundary
- noise suppression
- noise
- 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.)
- Withdrawn
Links
- 230000001629 suppression Effects 0.000 title 1
- 238000010521 absorption reaction Methods 0.000 abstract 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/007—Other engines having vertical crankshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/424—Double entry casings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/26—Object-catching inserts or similar devices for waste pipes or outlets
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C2201/00—Details, devices or methods not otherwise provided for
- E03C2201/60—Reducing noise in plumbing systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/20—Noise reduction features
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/8409—Sound-absorbing elements sheet-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8476—Solid slabs or blocks with acoustical cavities, with or without acoustical filling
- E04B2001/848—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element
- E04B2001/8495—Solid slabs or blocks with acoustical cavities, with or without acoustical filling the cavities opening onto the face of the element the openings going through from one face to the other face of the element
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/045,657 US9752494B2 (en) | 2013-03-15 | 2013-10-03 | Noise suppression systems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2858066A2 EP2858066A2 (fr) | 2015-04-08 |
EP2858066A3 true EP2858066A3 (fr) | 2015-04-15 |
Family
ID=51726336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20140187406 Withdrawn EP2858066A3 (fr) | 2013-10-03 | 2014-10-02 | Systèmes de suppression de bruit |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2858066A3 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021018357A (ja) * | 2019-07-22 | 2021-02-15 | 株式会社デンソー | 吸音装置 |
CN114138077A (zh) * | 2021-10-28 | 2022-03-04 | 苏州浪潮智能科技有限公司 | 一种服务器及其吸音降噪机构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4421201A (en) * | 1981-09-29 | 1983-12-20 | The Boeing Company | High efficiency broadband acoustic resonator and absorption panel |
US6617002B2 (en) * | 1998-07-24 | 2003-09-09 | Minnesota Mining And Manufacturing Company | Microperforated polymeric film for sound absorption and sound absorber using same |
US20080128201A1 (en) * | 2004-12-24 | 2008-06-05 | Zenzo Yamaguchi | Sound Absorbing Structure |
US20080152480A1 (en) * | 2006-12-20 | 2008-06-26 | Shizu Ishikawa | Diagonal flow fan |
US20110147117A1 (en) * | 2009-12-22 | 2011-06-23 | Airbus Operations Gmbh | Vacuum waste-water system sound-absorber |
US20110159797A1 (en) * | 2009-12-31 | 2011-06-30 | Willem Beltman | Quiet System Cooling Using Coupled Optimization Between Integrated Micro Porous Absorbers And Rotors |
US8408358B1 (en) * | 2009-06-12 | 2013-04-02 | Cornerstone Research Group, Inc. | Morphing resonators for adaptive noise reduction |
-
2014
- 2014-10-02 EP EP20140187406 patent/EP2858066A3/fr not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4421201A (en) * | 1981-09-29 | 1983-12-20 | The Boeing Company | High efficiency broadband acoustic resonator and absorption panel |
US6617002B2 (en) * | 1998-07-24 | 2003-09-09 | Minnesota Mining And Manufacturing Company | Microperforated polymeric film for sound absorption and sound absorber using same |
US20080128201A1 (en) * | 2004-12-24 | 2008-06-05 | Zenzo Yamaguchi | Sound Absorbing Structure |
US20080152480A1 (en) * | 2006-12-20 | 2008-06-26 | Shizu Ishikawa | Diagonal flow fan |
US8408358B1 (en) * | 2009-06-12 | 2013-04-02 | Cornerstone Research Group, Inc. | Morphing resonators for adaptive noise reduction |
US20110147117A1 (en) * | 2009-12-22 | 2011-06-23 | Airbus Operations Gmbh | Vacuum waste-water system sound-absorber |
US20110159797A1 (en) * | 2009-12-31 | 2011-06-30 | Willem Beltman | Quiet System Cooling Using Coupled Optimization Between Integrated Micro Porous Absorbers And Rotors |
Also Published As
Publication number | Publication date |
---|---|
EP2858066A2 (fr) | 2015-04-08 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F02B 77/13 20060101ALI20150312BHEP Ipc: E04B 1/74 20060101ALI20150312BHEP Ipc: F04D 29/42 20060101ALI20150312BHEP Ipc: G10K 11/172 20060101AFI20150312BHEP Ipc: F04D 29/66 20060101ALI20150312BHEP |
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R17P | Request for examination filed (corrected) |
Effective date: 20151013 |
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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20180227 |
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Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
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18W | Application withdrawn |
Effective date: 20180625 |