EP3850615A4 - Verborgene anwendungen der akustischen hyperabsorption durch akustisch dunkle metamaterialzellen - Google Patents

Verborgene anwendungen der akustischen hyperabsorption durch akustisch dunkle metamaterialzellen Download PDF

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Publication number
EP3850615A4
EP3850615A4 EP19859064.8A EP19859064A EP3850615A4 EP 3850615 A4 EP3850615 A4 EP 3850615A4 EP 19859064 A EP19859064 A EP 19859064A EP 3850615 A4 EP3850615 A4 EP 3850615A4
Authority
EP
European Patent Office
Prior art keywords
hyperabsorption
acoustically
acoustic
dark
metamaterial cells
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Withdrawn
Application number
EP19859064.8A
Other languages
English (en)
French (fr)
Other versions
EP3850615A1 (de
Inventor
Dwight W. Swett
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Holdings LLC
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 Baker Hughes Holdings LLC filed Critical Baker Hughes Holdings LLC
Publication of EP3850615A1 publication Critical patent/EP3850615A1/de
Publication of EP3850615A4 publication Critical patent/EP3850615A4/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G10K11/165—Particles in a matrix
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP19859064.8A 2018-09-15 2019-09-13 Verborgene anwendungen der akustischen hyperabsorption durch akustisch dunkle metamaterialzellen Withdrawn EP3850615A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201816132402A 2018-09-15 2018-09-15
PCT/US2019/051127 WO2020056337A1 (en) 2018-09-15 2019-09-13 Stealth applications of acoustic hyperabsorption by acoustically dark metamaterial cells

Publications (2)

Publication Number Publication Date
EP3850615A1 EP3850615A1 (de) 2021-07-21
EP3850615A4 true EP3850615A4 (de) 2022-06-15

Family

ID=69778550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19859064.8A Withdrawn EP3850615A4 (de) 2018-09-15 2019-09-13 Verborgene anwendungen der akustischen hyperabsorption durch akustisch dunkle metamaterialzellen

Country Status (2)

Country Link
EP (1) EP3850615A4 (de)
WO (1) WO2020056337A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021116923A1 (en) * 2019-12-10 2021-06-17 Saudi Arabian Oil Company Electromagnetic metamaterial cells, detectors comprising the same, and methods of their use
KR102387310B1 (ko) * 2020-04-06 2022-04-18 한국표준과학연구원 매끈한 일면이 노출되는 메타표면 및 이의 설계 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9324312B2 (en) * 2007-12-21 2016-04-26 3M Innovative Properties Company Viscoelastic phononic crystal
WO2017075187A2 (en) * 2015-10-30 2017-05-04 Massachusetts Institute Of Technology Subwavelength acoustic metamaterial having tunable acoustic absorption
US20180024265A1 (en) * 2016-07-20 2018-01-25 Baker Hughes Incorporated Rhodonea cell acoustic hyperlens for thru-casing ultrasonic sensors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10054707B2 (en) * 2016-04-15 2018-08-21 Baker Hughes, A Ge Company, Llc Bipolar acoustic hyperlens for dual-string thru-casing ultrasonic sensors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9324312B2 (en) * 2007-12-21 2016-04-26 3M Innovative Properties Company Viscoelastic phononic crystal
WO2017075187A2 (en) * 2015-10-30 2017-05-04 Massachusetts Institute Of Technology Subwavelength acoustic metamaterial having tunable acoustic absorption
US20180024265A1 (en) * 2016-07-20 2018-01-25 Baker Hughes Incorporated Rhodonea cell acoustic hyperlens for thru-casing ultrasonic sensors

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
GAO NANSHA ET AL: "Acoustic Metamaterials for Noise Reduction: A Review", ADVANCED MATERIALS TECHNOLOGIES, 29 January 2022 (2022-01-29), DE, pages 2100698, XP055910463, ISSN: 2365-709X, Retrieved from the Internet <URL:https://onlinelibrary.wiley.com/doi/full-xml/10.1002/admt.202100698> [retrieved on 20220411], DOI: 10.1002/admt.202100698 *
See also references of WO2020056337A1 *
SHEN CHEN ET AL: "Broadband Acoustic Hyperbolic Metamaterial", PHYSICAL REVIEW LETTERS, vol. 115, no. 25, 1 December 2015 (2015-12-01), US, XP055911328, ISSN: 0031-9007, Retrieved from the Internet <URL:http://link.aps.org/article/10.1103/PhysRevLett.115.254301> [retrieved on 20220411], DOI: 10.1103/PhysRevLett.115.254301 *
Y. CHENG ET AL: "Ultra-sparse metasurface for high reflection of low-frequency sound based on artificial Mie resonances", NATURE MATERIALS, vol. 14, no. 10, 31 August 2015 (2015-08-31), London, pages 1013 - 1019, XP055288152, ISSN: 1476-1122, DOI: 10.1038/nmat4393 *

Also Published As

Publication number Publication date
WO2020056337A1 (en) 2020-03-19
EP3850615A1 (de) 2021-07-21

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