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NO20006391D0 - Method and apparatus for detecting defects in a guide rail - Google Patents

Method and apparatus for detecting defects in a guide rail

Info

Publication number
NO20006391D0
NO20006391D0 NO20006391A NO20006391A NO20006391D0 NO 20006391 D0 NO20006391 D0 NO 20006391D0 NO 20006391 A NO20006391 A NO 20006391A NO 20006391 A NO20006391 A NO 20006391A NO 20006391 D0 NO20006391 D0 NO 20006391D0
Authority
NO
Norway
Prior art keywords
guide rail
detecting defects
defects
detecting
rail
Prior art date
Application number
NO20006391A
Other languages
Norwegian (no)
Other versions
NO20006391L (en
Inventor
Kerstin Gemmer-Berkbilek
Joerg Quittak
Dieter Lingenberg
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NO20006391D0 publication Critical patent/NO20006391D0/en
Publication of NO20006391L publication Critical patent/NO20006391L/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/04Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/042Track changes detection
    • B61L23/044Broken rails
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/043Analysing solids in the interior, e.g. by shear waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/042Wave modes
    • G01N2291/0422Shear waves, transverse waves, horizontally polarised waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/044Internal reflections (echoes), e.g. on walls or defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/04Wave modes and trajectories
    • G01N2291/056Angular incidence, angular propagation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/262Linear objects
    • G01N2291/2623Rails; Railroads

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
NO20006391A 1998-06-16 2000-12-14 Method and apparatus for detecting defects in a guide rail NO20006391L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998126421 DE19826421C1 (en) 1998-06-16 1998-06-16 Method and device for detecting a defect in a guide rail
PCT/DE1999/001671 WO1999066320A2 (en) 1998-06-16 1999-06-07 Method and device for detecting defects in a guide rail

Publications (2)

Publication Number Publication Date
NO20006391D0 true NO20006391D0 (en) 2000-12-14
NO20006391L NO20006391L (en) 2001-02-16

Family

ID=7870815

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20006391A NO20006391L (en) 1998-06-16 2000-12-14 Method and apparatus for detecting defects in a guide rail

Country Status (4)

Country Link
EP (1) EP1087882A2 (en)
DE (1) DE19826421C1 (en)
NO (1) NO20006391L (en)
WO (1) WO1999066320A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002021119A1 (en) 2000-09-04 2002-03-14 The Nippon Signal Co., Ltd. Flaw detection system
GB2371623B (en) * 2001-01-26 2004-07-14 David Nathaniel Alleyne Inspection of non axi-symmetric elongate bodies
RU2245543C2 (en) * 2002-09-09 2005-01-27 Волгоградский государственный университет Product flow control method
DE10313894B3 (en) * 2003-01-30 2004-08-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and device for examining a rail track for defects
WO2004068132A1 (en) * 2003-01-30 2004-08-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Method and device for ultrasonic inspection of a rail track for faults
CN101900708B (en) * 2010-08-18 2013-07-31 哈尔滨工业大学 Vibration and audio signal-based high-speed train track defect detecting method
CN102923164B (en) * 2012-09-14 2015-03-11 上海交通大学 High-speed rail health monitoring system based on ultrasonic guide wave and wireless network
CN103335617B (en) * 2013-06-19 2015-12-02 清华大学 A kind of railway track geometric deformation detection method based on vibration signal
DE102018206300A1 (en) * 2018-04-24 2019-10-24 Siemens Mobility GmbH Method for controlling a level crossing and path control arrangement
IT202000005797A1 (en) * 2020-03-19 2021-09-19 Thermit Italiana S R L SYSTEM AND METHOD FOR CONTINUOUS DIAGNOSTICS OF THE RAILWAY INFRASTRUCTURE
IT202000005794A1 (en) * 2020-03-19 2021-09-19 Thermit Italiana S R L CONTROL DEVICE FOR THE CONTINUOUS DIAGNOSTICS OF THE RAILWAY INFRASTRUCTURE

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR964021A (en) * 1947-04-26 1950-08-01
US4289030A (en) * 1979-08-01 1981-09-15 Rockwell International Corporation Nondestructive testing utilizing horizontally polarized shear waves
US4429576A (en) * 1981-08-03 1984-02-07 Dapco Industries, Inc. Ultrasonic inspection apparatus
FR2561780B1 (en) * 1984-03-26 1986-08-22 Sncf METHOD AND DEVICE FOR AUTOMATIC DETECTION AND RECOGNITION OF DISCONTINUITIES AND IRREGULARITIES OF RAIL TRACKS
JPS63250562A (en) * 1987-04-08 1988-10-18 Fujita Corp Corrosion diagnosis method and device using ultrasound
DE4116650A1 (en) * 1991-05-22 1992-11-26 Gerd R Dipl Ing Wetzler Detecting rail openings in continuously welded sections of railway track - transmitting sound along rails to microphone and logically combining electrical pulses detected from both rails
US5275051A (en) * 1991-09-11 1994-01-04 Tiescan, Inc. Method and system for nondestructive testing of railroad crossties

Also Published As

Publication number Publication date
WO1999066320A2 (en) 1999-12-23
WO1999066320A3 (en) 2000-04-13
DE19826421C1 (en) 2000-03-09
EP1087882A2 (en) 2001-04-04
NO20006391L (en) 2001-02-16

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application