SE9001955D0 - Foerbaettrad akustisk lagringsdefektdetektor - Google Patents

Foerbaettrad akustisk lagringsdefektdetektor

Info

Publication number
SE9001955D0
SE9001955D0 SE9001955A SE9001955A SE9001955D0 SE 9001955 D0 SE9001955 D0 SE 9001955D0 SE 9001955 A SE9001955 A SE 9001955A SE 9001955 A SE9001955 A SE 9001955A SE 9001955 D0 SE9001955 D0 SE 9001955D0
Authority
SE
Sweden
Prior art keywords
foerbaettrad
defect detector
storage defect
acoustic storage
acoustic
Prior art date
Application number
SE9001955A
Other languages
English (en)
Other versions
SE512816C2 (sv
SE9001955L (sv
Inventor
J E Bambara
Original Assignee
Servo Corp Of America
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 Servo Corp Of America filed Critical Servo Corp Of America
Publication of SE9001955D0 publication Critical patent/SE9001955D0/sv
Publication of SE9001955L publication Critical patent/SE9001955L/sv
Publication of SE512816C2 publication Critical patent/SE512816C2/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
    • 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
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/04—Frequency
    • G01H3/08—Analysing frequencies present in complex vibrations, e.g. comparing harmonics present
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • 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
    • G01N2291/262—Linear objects
    • G01N2291/2623—Rails; Railroads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (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)
SE9001955A 1989-07-06 1990-05-31 Anordning för akustisk detektering av lagerdefekter i hjul för järnvägsvagnar SE512816C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37689089A 1989-07-06 1989-07-06

Publications (3)

Publication Number Publication Date
SE9001955D0 true SE9001955D0 (sv) 1990-05-31
SE9001955L SE9001955L (sv) 1991-01-07
SE512816C2 SE512816C2 (sv) 2000-05-15

Family

ID=23486919

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9001955A SE512816C2 (sv) 1989-07-06 1990-05-31 Anordning för akustisk detektering av lagerdefekter i hjul för järnvägsvagnar

Country Status (4)

Country Link
AU (1) AU641143B2 (sv)
CA (1) CA2015412C (sv)
GB (1) GB2233761B (sv)
SE (1) SE512816C2 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7213789B1 (en) * 2003-04-29 2007-05-08 Eugene Matzan System for detection of defects in railroad car wheels
CN105258785B (zh) * 2015-10-20 2018-02-16 中国电子科技集团公司第三研究所 声学监测站、车轮检测方法和列车轴承故障被动声学诊断系统
CN107328578B (zh) * 2017-07-10 2018-06-12 安徽大学 一种用于列车轴承轨边声学故障检测的声源分离方法
CN116039698B (zh) * 2023-03-31 2023-07-07 成都盛锴科技有限公司 一种利用声音特征进行轨道线路健康检测的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154146B (de) * 1956-11-06 1963-09-12 Servo Corp Of America Vorrichtung zum Feststellen der Erwaermung von Achslagerkaesten
GB952996A (en) * 1959-07-24 1964-03-18 Westinghouse Air Brake Co Apparatus for detecting radiant energy
US4790190A (en) * 1987-10-02 1988-12-13 Servo Corporation Of America On-line acoustic detection of bearing defects

Also Published As

Publication number Publication date
AU5201590A (en) 1991-01-10
CA2015412C (en) 1999-08-17
GB2233761B (en) 1993-07-07
AU641143B2 (en) 1993-09-16
GB2233761A (en) 1991-01-16
SE512816C2 (sv) 2000-05-15
CA2015412A1 (en) 1991-01-06
SE9001955L (sv) 1991-01-07
GB9004343D0 (en) 1990-04-25

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