CN102956229A - 衰减振动和声噪声的装置和方法 - Google Patents

衰减振动和声噪声的装置和方法 Download PDF

Info

Publication number
CN102956229A
CN102956229A CN201210303353XA CN201210303353A CN102956229A CN 102956229 A CN102956229 A CN 102956229A CN 201210303353X A CN201210303353X A CN 201210303353XA CN 201210303353 A CN201210303353 A CN 201210303353A CN 102956229 A CN102956229 A CN 102956229A
Authority
CN
China
Prior art keywords
layer
vibration
sound attenuator
ground floor
sound
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.)
Pending
Application number
CN201210303353XA
Other languages
English (en)
Chinese (zh)
Inventor
W.德利马
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CN102956229A publication Critical patent/CN102956229A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CN201210303353XA 2011-08-25 2012-08-24 衰减振动和声噪声的装置和方法 Pending CN102956229A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/218,075 US8474572B2 (en) 2011-08-25 2011-08-25 Apparatus and method to attenuate vibration and acoustic noise
US13/218075 2011-08-25

Publications (1)

Publication Number Publication Date
CN102956229A true CN102956229A (zh) 2013-03-06

Family

ID=46981581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210303353XA Pending CN102956229A (zh) 2011-08-25 2012-08-24 衰减振动和声噪声的装置和方法

Country Status (4)

Country Link
US (1) US8474572B2 (https=)
JP (1) JP6224305B2 (https=)
CN (1) CN102956229A (https=)
GB (1) GB2494039B (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110890084A (zh) * 2018-09-07 2020-03-17 通用汽车环球科技运作有限责任公司 用于减轻噪声、振动和刺耳声的复合制品
CN114876995A (zh) * 2022-02-08 2022-08-09 上海交通大学 多维自适应振动与噪声控制装置
US11592508B2 (en) * 2020-06-30 2023-02-28 Siemens Healthcare Gmbh Generation of a homogenization field suitable for homogenization of magnetic resonance data

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013165470A1 (en) 2012-04-30 2013-11-07 Cincinnati Children's Hospital Medical Center Acoustic noise reducing rf coil for magnetic resonance imaging
ITTO20120398A1 (it) * 2012-05-03 2013-11-04 Corfac2 S A Dispositivo per l'armonizzazione di oscillazioni meccaniche ed elettromagnetiche
SG11201605511VA (en) 2013-04-05 2016-08-30 Jerry Harvey Canalphone coupler system and method
JP2015208427A (ja) * 2014-04-25 2015-11-24 株式会社日立メディコ 磁気共鳴イメージング装置
GB2530475A (en) 2014-06-20 2016-03-30 Stefan M Goetz Device and method for quiet magnetic neurostimulation
CN104811851B (zh) * 2015-03-02 2018-05-22 旺兴达（丰顺）电子有限公司 减振箱体
US10460714B1 (en) 2016-02-05 2019-10-29 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Broadband acoustic absorbers
DE102017217021B4 (de) * 2016-09-30 2023-01-05 Siemens Healthcare Gmbh Medizinische Bildgebungsvorrichtung mit einer Gehäuseeinheit aufweisend eine Versteifungsgittereinheit mit trapezförmigen Gitterzwischenräumen und eine elastische Verkleidungsschicht
US11004439B2 (en) * 2018-02-26 2021-05-11 Toyota Motor Engineering & Manufacturing North America, Inc. Acoustic absorber
CN110516341B (zh) * 2019-08-21 2024-01-23 西北工业大学 一种基于模态应变能的齿轮箱附加阻尼的降噪方法
DE102023125411A1 (de) * 2023-09-19 2025-03-20 Leica Instruments (Singapore) Pte. Ltd. Dämpfer und chirurgisches Bildgebungsgerät

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2173797A (en) * 1935-08-02 1939-09-19 Johns Manville Vibration-damping element and the method of making the same
BE464442A (https=) * 1941-10-27
US2514170A (en) * 1945-10-12 1950-07-04 Raybestos Manhattan Inc Insulating material
US2541159A (en) * 1946-01-22 1951-02-13 Paul H Geiger Sound deadener for vibratory bodies
US3087565A (en) * 1957-04-23 1963-04-30 Bolt Beranek & Newman Apparatus for damping
US3026224A (en) * 1959-05-01 1962-03-20 Fabreeka Products Co Vibration absorbing pad
US3130700A (en) * 1960-04-29 1964-04-28 Robert E Peterson Vibration and mechanical wave damping
US3160549A (en) * 1960-12-29 1964-12-08 Minnesota Mining & Mfg Vibration damping structures
US3420553A (en) * 1966-02-09 1969-01-07 Calumet & Hecla Apparatus for absorbing sound and vibration in a piping system
FR2148355B2 (https=) * 1971-08-10 1974-09-06 Isolants Franca S
US3923118A (en) * 1972-06-19 1975-12-02 Us Navy Acoustic baffle for deep submergence
GB1406844A (en) * 1972-09-01 1975-09-17 Short Brothers & Harland Ltd Sound absorbing panels
GB1582863A (en) * 1977-02-16 1981-01-14 Delta Materials Research Ltd Noise abatement techniques and systems
JPS58501080A (ja) * 1981-06-15 1983-07-07 アイエフエム・アクステイツクビユ−ロン・ア−ベ− 構造振動減衰における改良
US4493471A (en) * 1983-02-14 1985-01-15 Mcinnis Donald E Sound speaker stand for attenuating vibrations
AT390094B (de) * 1984-11-16 1990-03-12 Austria Metall Schalldaemmende verbundplatte und verfahren zu ihrer herstellung
DE3541052A1 (de) * 1985-11-19 1987-05-21 Marquet & Cie Noel Schaumstoffplatten und -bloecke aus hohlprofilen, deren herstellung, sowie deren verwendung als isolier- und/oder drainageplatten
US4838524A (en) * 1987-09-08 1989-06-13 Cyclops Corporation Noise barrier
US4886696A (en) * 1988-05-10 1989-12-12 Manville Corporation Corrugated paperboard automotive liner
JPH0614913B2 (ja) * 1989-06-30 1994-03-02 株式会社日立製作所 核磁気共鳴装置
NL9000294A (nl) * 1990-02-07 1991-09-02 Willy Van Goubergen Trillingsdemper.
US5304415A (en) * 1991-04-15 1994-04-19 Matsushita Electric Works, Ltd. Sound absorptive material
FR2685528A1 (fr) * 1991-12-20 1993-06-25 Thomson Csf Dispositif d'absorption acoustique, notamment pour basse frequence, pouvant etre immerge.
JPH07139584A (ja) * 1993-11-16 1995-05-30 Nitto Denko Corp 制振材
DE9414943U1 (de) * 1994-09-14 1996-01-18 M. Faist GmbH & Co KG, 86381 Krumbach Folienresonanzabsorber
US5754491A (en) * 1997-02-24 1998-05-19 Poiesis Research, Inc. Multi-technology acoustic energy barrier and absorber
JPH1169589A (ja) * 1997-08-20 1999-03-09 Harness Sogo Gijutsu Kenkyusho:Kk 吸音材および該吸音材を備えたケーブルリール
US6958567B2 (en) * 1998-04-22 2005-10-25 Virginia Tech Intellectual Properties, Inc. Active/passive distributed absorber for vibration and sound radiation control
US6174587B1 (en) * 1998-12-02 2001-01-16 Atlantic Research Corporation Shock attenuation barrier
US6298963B1 (en) * 1999-02-25 2001-10-09 The United States Of America As Represented By The Secretary Of The Navy Tuned broadband vibrational dissipator
DE19952689A1 (de) * 1999-11-02 2001-05-03 Cww Gerko Akustik Gmbh & Co Kg Schalldämmwand und Verwendung derselben
DE10228395C1 (de) * 2002-06-25 2003-12-04 Carcoustics Tech Ct Gmbh Schall-Absorber
JP2004062074A (ja) * 2002-07-31 2004-02-26 Toyota Motor Corp 吸音装置
US6951264B2 (en) * 2003-03-04 2005-10-04 Lear Corporation Acoustically attenuating headliner and method for making same
US6924595B2 (en) * 2003-06-02 2005-08-02 Wintek Corporation Damping and muffling structure for EL cell
US7011181B2 (en) * 2003-07-08 2006-03-14 Lear Corporation Sound insulation system
US7068033B2 (en) * 2003-08-18 2006-06-27 Ge Medical Systems Global Technology Company, Llc Acoustically damped gradient coil
JP2007510452A (ja) * 2003-11-05 2007-04-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音響雑音が低減されるｍｒｉ装置
FR2870308B1 (fr) * 2004-05-13 2006-07-21 Eurocopter France Revetement absorbant a haut pouvoir amortissant
EP1791388B1 (en) * 2004-09-15 2012-07-18 Kazuo Uejima Mat for acoustic apparatus
US20060244187A1 (en) * 2005-05-02 2006-11-02 Downey Paul C Vibration damper
GB0510540D0 (en) * 2005-05-24 2005-06-29 Rolls Royce Plc Containment casing
US7671593B2 (en) * 2006-06-15 2010-03-02 General Electric Company RF body coil with acoustic isolation of conductors
US8104593B2 (en) * 2008-03-03 2012-01-31 Keng-Hsien Lin Resilient shock-absorbing device
US8261558B2 (en) * 2009-06-25 2012-09-11 Nomaco Inc. Self-adjusting insulation, including insulation particularly suited for pipe or duct

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110890084A (zh) * 2018-09-07 2020-03-17 通用汽车环球科技运作有限责任公司 用于减轻噪声、振动和刺耳声的复合制品
CN110890084B (zh) * 2018-09-07 2024-04-09 通用汽车环球科技运作有限责任公司 用于减轻噪声、振动和刺耳声的复合制品
US11592508B2 (en) * 2020-06-30 2023-02-28 Siemens Healthcare Gmbh Generation of a homogenization field suitable for homogenization of magnetic resonance data
CN114876995A (zh) * 2022-02-08 2022-08-09 上海交通大学 多维自适应振动与噪声控制装置

Also Published As

Publication number Publication date
JP2013043083A (ja) 2013-03-04
US8474572B2 (en) 2013-07-02
US20130048415A1 (en) 2013-02-28
GB201214589D0 (en) 2012-09-26
JP6224305B2 (ja) 2017-11-01
GB2494039B (en) 2018-08-08
GB2494039A (en) 2013-02-27

Similar Documents

Publication Publication Date Title
CN102956229A (zh) 衰减振动和声噪声的装置和方法
US7068033B2 (en) Acoustically damped gradient coil
Pauwels et al. Optimization of dental CBCT exposures through mAs reduction
JP2012105977A (ja) 磁気共鳴撮像システム内部に電気ケーブルを設けるための装置及び方法
US8779773B2 (en) Thermoacoustic RF body coil liner for reduced acoustic noise in an MR system
DE102007009180B4 (de) Kombinationstomograph
Rabey et al. Vibrating frequency thresholds in mice and rats: implications for the effects of vibrations on animal health
US20120229138A1 (en) Apparatus and method to reduce noise in magnetic resonance imaging systems
Ramezanzadehkoldeh et al. MicroCT-based finite element models as a tool for virtual testing of cortical bone
CN1409124A (zh) 通过机械振动的减振降低噪声的核自旋断层造影装置
CN103513199B (zh) 高频线圈装置
CN103688184A (zh) 一种用于mr扫描设备的rf体线圈
JP6042644B2 (ja) 磁気共鳴撮像（ｍｒｉ）マグネット用のコイル支持体及び支持方法
Kumar et al. Modal analysis of hand-arm vibration (humerus bone) for biodynamic response using varying boundary conditions based on FEA
Madhukar et al. Modeling and simulation of head trauma utilizing white matter properties from magnetic resonance elastography
Sternick et al. Relationship between rigidity of external fixator and number of pins: computer analysis using finite elements
Přibil et al. Analysis of the influence of different settings of scan sequence parameters on vibration and noise generated in the open-air MRI scanning area
US10656225B2 (en) Magnetic resonance imaging apparatus
Sun et al. MR simulation for prostate radiation therapy: effect of coil mounting position on image quality
Kim et al. Calculation of strain images of a breast‐mimicking phantom from 3D CT image data
RU2682277C2 (ru) Недорогостоящая легковесная универсальная композитная радиочастотная катушка, проницаемая для излучения
Yassine et al. Transversely isotropic and isotropic material considerations in determining the mechanical response of geometrically accurate bovine tibia bone
CN209421963U (zh) 一种乳腺ct检查辅助托架结构
Pearson Magnetic pioneers net Nobel for putting medicine in the picture.
Kumar et al. Reducing vibration exposure for medical evacuation of patients with adaptive vibration control of air bladder cushions

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130306