JP6224305B2 - 振動及び音響ノイズを減衰させるための装置及び方法 - Google Patents

振動及び音響ノイズを減衰させるための装置及び方法 Download PDF

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Publication number
JP6224305B2
JP6224305B2 JP2012179651A JP2012179651A JP6224305B2 JP 6224305 B2 JP6224305 B2 JP 6224305B2 JP 2012179651 A JP2012179651 A JP 2012179651A JP 2012179651 A JP2012179651 A JP 2012179651A JP 6224305 B2 JP6224305 B2 JP 6224305B2
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Prior art keywords
layer
vibration
acoustic attenuator
acoustic
attenuator
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JP2012179651A
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Japanese (ja)
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JP2013043083A5 (enExample
JP2013043083A (ja
Inventor
ワシントン・デ・リマ
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General Electric Co
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General Electric Co
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    • 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
    • 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
    • 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

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  • 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)
JP2012179651A 2011-08-25 2012-08-14 振動及び音響ノイズを減衰させるための装置及び方法 Expired - Fee Related JP6224305B2 (ja)

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
US13/218,075 2011-08-25

Publications (3)

Publication Number Publication Date
JP2013043083A JP2013043083A (ja) 2013-03-04
JP2013043083A5 JP2013043083A5 (enExample) 2015-09-17
JP6224305B2 true JP6224305B2 (ja) 2017-11-01

Family

ID=46981581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012179651A Expired - Fee Related JP6224305B2 (ja) 2011-08-25 2012-08-14 振動及び音響ノイズを減衰させるための装置及び方法

Country Status (4)

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

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WO2014165839A2 (en) * 2013-04-05 2014-10-09 Harvey Jerry 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
US11120783B2 (en) * 2018-09-07 2021-09-14 GM Global Technology Operations LLC Composite article for mitigating noise, vibration, and harshness
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
DE102020208182A1 (de) * 2020-06-30 2021-12-30 Siemens Healthcare Gmbh Erzeugung eines Homogenisierungsfeldes geeignet für eine Homogenisierung von Magnetresonanzdaten
CN114876995B (zh) * 2022-02-08 2023-04-07 上海交通大学 多维自适应振动与噪声控制装置
DE102023125411A1 (de) * 2023-09-19 2025-03-20 Leica Instruments (Singapore) Pte. Ltd. Dämpfer und chirurgisches Bildgebungsgerät

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Also Published As

Publication number Publication date
US20130048415A1 (en) 2013-02-28
JP2013043083A (ja) 2013-03-04
US8474572B2 (en) 2013-07-02
GB2494039B (en) 2018-08-08
GB201214589D0 (en) 2012-09-26
CN102956229A (zh) 2013-03-06
GB2494039A (en) 2013-02-27

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