AU615006B2 - Method for monitoring acoustic emissions - Google Patents

Method for monitoring acoustic emissions Download PDF

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Publication number
AU615006B2
AU615006B2 AU25174/88A AU2517488A AU615006B2 AU 615006 B2 AU615006 B2 AU 615006B2 AU 25174/88 A AU25174/88 A AU 25174/88A AU 2517488 A AU2517488 A AU 2517488A AU 615006 B2 AU615006 B2 AU 615006B2
Authority
AU
Australia
Prior art keywords
signal
sound
pattern recognition
bands
intensity
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.)
Ceased
Application number
AU25174/88A
Other languages
English (en)
Other versions
AU2517488A (en
Inventor
Ronald Malcolm Belchamber
Michael Patrick Collins
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.)
BP PLC
Original Assignee
BP PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10627271&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU615006(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BP PLC filed Critical BP PLC
Publication of AU2517488A publication Critical patent/AU2517488A/en
Application granted granted Critical
Publication of AU615006B2 publication Critical patent/AU615006B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Saccharide Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AU25174/88A 1987-11-20 1988-11-16 Method for monitoring acoustic emissions Ceased AU615006B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8727178 1987-11-20
GB878727178A GB8727178D0 (en) 1987-11-20 1987-11-20 Monitoring accoustic emissions

Publications (2)

Publication Number Publication Date
AU2517488A AU2517488A (en) 1989-05-25
AU615006B2 true AU615006B2 (en) 1991-09-19

Family

ID=10627271

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25174/88A Ceased AU615006B2 (en) 1987-11-20 1988-11-16 Method for monitoring acoustic emissions

Country Status (10)

Country Link
EP (1) EP0317322B1 (enExample)
JP (1) JPH01156627A (enExample)
AT (1) ATE85122T1 (enExample)
AU (1) AU615006B2 (enExample)
BR (1) BR8806070A (enExample)
DE (1) DE3877912T2 (enExample)
ES (1) ES2038311T3 (enExample)
GB (1) GB8727178D0 (enExample)
GR (1) GR3007373T3 (enExample)
ZA (1) ZA888570B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4975855A (en) * 1989-03-14 1990-12-04 Rem Technologies, Inc. Shaft crack detection method
WO1991010904A1 (en) * 1990-01-11 1991-07-25 Pulp And Paper Research Institute Of Canada Acoustic emission monitoring of wood chip refiners
GB9022546D0 (en) * 1990-10-17 1990-11-28 Rolls Royce & Ass An apparatus and a method for locating a source of acoustic emission in a material
FI93996C (fi) * 1992-11-13 1995-06-26 Ensio Laine Menetelmä ja laite jauhemaisten materiaalien kompaktoinnin luonnehtimiseksi ja tarkkailemiseksi
US5625150A (en) * 1994-08-18 1997-04-29 General Electric Company Integrated acoustic leak detection sensor subsystem
JP3358167B2 (ja) * 1995-05-12 2002-12-16 北海道大学長 被検体同定方法、装置およびシステム
DE10006313B4 (de) * 2000-02-12 2008-04-10 Sennheiser Electronic Gmbh & Co. Kg Anlagenüberwachungssystem
GB0031564D0 (en) 2000-12-22 2001-02-07 Borealis Tech Oy Viscosity measurement
DE10115267C2 (de) 2001-03-28 2003-06-18 Aloys Wobben Verfahren zur Überwachung einer Windenergieanlage
JP5285147B2 (ja) 2008-05-21 2013-09-11 ジョン クレーン インコーポレーテッド シール監視及び制御システム
GB201020381D0 (en) * 2010-12-02 2011-01-12 Crane John Uk Ltd Component failure detection system
BR122023003434B1 (pt) 2016-02-23 2024-01-30 John Crane Uk Ltd Sistema de vedação mecânica configurado para detectar autonomamente uma perda de lubrificação dentro de uma interface de vedação deslizante de uma vedação mecânica, sistema de vedação mecânica que tem um subsistema de diagnóstico preditivo customizável configurado para ser adaptado para se adequar às necessidades individuais do onsumidor, condições ambientais particulares e/ou aplicações específicas, e sistema de vedação mecânica configurado para detectar condições de operação e fornecer avaliações de integridade em tempo real a um usuário durante a operação
WO2017168226A1 (en) * 2016-03-30 2017-10-05 3D Signals Ltd. Acoustic monitoring of machinery
US9989501B2 (en) 2016-05-10 2018-06-05 The Boeing Company Method and apparatus for acoustic emissions testing
US10564130B2 (en) * 2016-05-10 2020-02-18 The Boeing Company Method and apparatus for acoustic emissions testing
US10839076B2 (en) 2016-12-21 2020-11-17 3D Signals Ltd. Detection of cyber machinery attacks
US10916259B2 (en) 2019-01-06 2021-02-09 3D Signals Ltd. Extracting overall equipment effectiveness by analysis of a vibro-acoustic signal
US11656203B2 (en) * 2020-12-10 2023-05-23 Batfer Investment S.A. Apparatus and method for determining solids level in a sand separator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU499720B2 (en) * 1975-03-14 1979-05-03 British Steel Corporation Condition monitoring device
AU7863081A (en) * 1980-12-19 1982-06-24 Hitachi Limited Rubbing detecting apparatus
AU7192687A (en) * 1986-04-28 1987-10-29 Vipac Pty. Ltd. Vibrational analysis

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078434A (en) * 1974-05-20 1978-03-14 Bbc Brown Boveri & Company Limited Method and apparatus for determining the parameters of natural vibration of a system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU499720B2 (en) * 1975-03-14 1979-05-03 British Steel Corporation Condition monitoring device
AU7863081A (en) * 1980-12-19 1982-06-24 Hitachi Limited Rubbing detecting apparatus
AU7192687A (en) * 1986-04-28 1987-10-29 Vipac Pty. Ltd. Vibrational analysis

Also Published As

Publication number Publication date
JPH01156627A (ja) 1989-06-20
EP0317322A3 (en) 1990-08-16
BR8806070A (pt) 1989-08-08
DE3877912D1 (de) 1993-03-11
GB8727178D0 (en) 1987-12-23
DE3877912T2 (de) 1993-05-19
AU2517488A (en) 1989-05-25
EP0317322A2 (en) 1989-05-24
ATE85122T1 (de) 1993-02-15
GR3007373T3 (enExample) 1993-07-30
ZA888570B (en) 1990-07-25
ES2038311T3 (es) 1993-07-16
EP0317322B1 (en) 1993-01-27

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MK14 Patent ceased section 143(a) (annual fees not paid) or expired