EP1390736A4 - Multi-function stress wave sensor - Google Patents

Multi-function stress wave sensor

Info

Publication number
EP1390736A4
EP1390736A4 EP01962029A EP01962029A EP1390736A4 EP 1390736 A4 EP1390736 A4 EP 1390736A4 EP 01962029 A EP01962029 A EP 01962029A EP 01962029 A EP01962029 A EP 01962029A EP 1390736 A4 EP1390736 A4 EP 1390736A4
Authority
EP
European Patent Office
Prior art keywords
wave sensor
stress wave
function stress
function
sensor
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Withdrawn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
EP01962029A
Other languages
German (de)
French (fr)
Other versions
EP1390736A1 (en
Inventor
David B Board
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.)
Curtiss Wright Flow Control Corp
Original Assignee
Curtiss Wright Flow Control Corp
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
Priority claimed from US09/870,025 external-priority patent/US6679119B2/en
Application filed by Curtiss Wright Flow Control Corp filed Critical Curtiss Wright Flow Control Corp
Publication of EP1390736A1 publication Critical patent/EP1390736A1/en
Publication of EP1390736A4 publication Critical patent/EP1390736A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • 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
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/227—Details, e.g. general constructional or apparatus details related to high pressure, tension or stress conditions
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
EP01962029A 2001-05-30 2001-08-10 Multi-function stress wave sensor Withdrawn EP1390736A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US870025 2001-05-30
US09/870,025 US6679119B2 (en) 2000-08-11 2001-05-30 Multi-function stress wave sensor
PCT/US2001/025024 WO2002099411A1 (en) 2001-05-30 2001-08-10 Multi-function stress wave sensor

Publications (2)

Publication Number Publication Date
EP1390736A1 EP1390736A1 (en) 2004-02-25
EP1390736A4 true EP1390736A4 (en) 2009-07-22

Family

ID=25354638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01962029A Withdrawn EP1390736A4 (en) 2001-05-30 2001-08-10 Multi-function stress wave sensor

Country Status (2)

Country Link
EP (1) EP1390736A4 (en)
WO (1) WO2002099411A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7424403B2 (en) * 2006-09-29 2008-09-09 Csi Technology, Inc. Low power vibration sensor and wireless transmitter system
CN103286144B (en) * 2012-02-22 2016-01-27 宝山钢铁股份有限公司 The ultrasonic resonance spectrum detection method of roll fatigue hardening layer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842663A (en) * 1972-12-01 1974-10-22 Boeing Co Demodulated resonance analysis system
US3924456A (en) * 1973-08-17 1975-12-09 Western Electric Co Methods and apparatus for detecting the presence of cracks in a workpiece by the use of stress waves emitted therefrom
US4530240A (en) * 1983-11-15 1985-07-23 Diagnostic Equipment Development, Inc. Method and apparatus for diagnosing machine condition
FR2695723A1 (en) * 1992-09-11 1994-03-18 Dutruel Albain Surveillance and monitoring system for machine - includes detector and filters sensing specific frequencies of vibration and comparing these with stored values
US5852793A (en) * 1997-02-18 1998-12-22 Dme Corporation Method and apparatus for predictive diagnosis of moving machine parts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554012A (en) 1968-02-29 1971-01-12 Iko Konsultbyron Ab Method and arrangement for determining the mechanical state of machines
US4207771A (en) * 1979-03-02 1980-06-17 Western Electric Company, Inc. Method and apparatus for monitoring cracking using stress wave emission techniques
GB8909155D0 (en) * 1989-04-21 1989-06-07 Stresswave Tech A method and apparatus for testing the response of a stress wave sensor
GB9003569D0 (en) * 1990-02-16 1990-04-11 Rolls Royce Plc A method and apparatus for testing the response of a stress wave sensor
US5115671A (en) * 1990-07-13 1992-05-26 Life Systems, Inc. Method and apparatus for analyzing rotating machines
GB2282297B (en) 1993-09-23 1998-03-11 Holroyd Instr Ltd Improved resonant acoustic emission transducer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842663A (en) * 1972-12-01 1974-10-22 Boeing Co Demodulated resonance analysis system
US3924456A (en) * 1973-08-17 1975-12-09 Western Electric Co Methods and apparatus for detecting the presence of cracks in a workpiece by the use of stress waves emitted therefrom
US4530240A (en) * 1983-11-15 1985-07-23 Diagnostic Equipment Development, Inc. Method and apparatus for diagnosing machine condition
FR2695723A1 (en) * 1992-09-11 1994-03-18 Dutruel Albain Surveillance and monitoring system for machine - includes detector and filters sensing specific frequencies of vibration and comparing these with stored values
US5852793A (en) * 1997-02-18 1998-12-22 Dme Corporation Method and apparatus for predictive diagnosis of moving machine parts

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PRUEFTECHNIK: "Machine condition data collector - vibrotip", INTERNET CITATION, XP003011401, Retrieved from the Internet <URL:http://www.pruftechnik.com/cm/products/vibrotip/vibrotip.htm> [retrieved on 20070208] *
See also references of WO02099411A1 *

Also Published As

Publication number Publication date
WO2002099411A1 (en) 2002-12-12
EP1390736A1 (en) 2004-02-25

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Legal Events

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Owner name: TECHSWAN, INC.

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Owner name: CURTISS-WRIGHT FLOW CONTROL CORPORATION

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