GB9004343D0 - Improved acoustic bearing defect detector - Google Patents

Improved acoustic bearing defect detector

Info

Publication number
GB9004343D0
GB9004343D0 GB909004343A GB9004343A GB9004343D0 GB 9004343 D0 GB9004343 D0 GB 9004343D0 GB 909004343 A GB909004343 A GB 909004343A GB 9004343 A GB9004343 A GB 9004343A GB 9004343 D0 GB9004343 D0 GB 9004343D0
Authority
GB
United Kingdom
Prior art keywords
defect detector
improved acoustic
bearing defect
acoustic bearing
improved
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.)
Granted
Application number
GB909004343A
Other versions
GB2233761B (en
GB2233761A (en
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.)
Servo Corp of America
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 GB9004343D0 publication Critical patent/GB9004343D0/en
Publication of GB2233761A publication Critical patent/GB2233761A/en
Application granted granted Critical
Publication of GB2233761B publication Critical patent/GB2233761B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
GB9004343A 1989-07-06 1990-02-27 Improved acoustic bearing defect detector Expired - Fee Related GB2233761B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB9004343D0 true GB9004343D0 (en) 1990-04-25
GB2233761A GB2233761A (en) 1991-01-16
GB2233761B GB2233761B (en) 1993-07-07

Family

ID=23486919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9004343A Expired - Fee Related GB2233761B (en) 1989-07-06 1990-02-27 Improved acoustic bearing defect detector

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116039698A (en) * 2023-03-31 2023-05-02 成都盛锴科技有限公司 Method for detecting track line health by utilizing sound characteristics

Families Citing this family (3)

* 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 (en) * 2015-10-20 2018-02-16 中国电子科技集团公司第三研究所 Acoustic monitoring station, wheel detection method and the passive acoustics diagnostic system of train bearing failure
CN107328578B (en) * 2017-07-10 2018-06-12 安徽大学 A kind of sound source separating method for the detection of train bearing rail side acoustic fault

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154146B (en) * 1956-11-06 1963-09-12 Servo Corp Of America Device for determining the heating of axle boxes
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116039698A (en) * 2023-03-31 2023-05-02 成都盛锴科技有限公司 Method for detecting track line health by utilizing sound characteristics

Also Published As

Publication number Publication date
SE9001955D0 (en) 1990-05-31
GB2233761B (en) 1993-07-07
SE9001955L (en) 1991-01-07
CA2015412A1 (en) 1991-01-06
AU641143B2 (en) 1993-09-16
SE512816C2 (en) 2000-05-15
AU5201590A (en) 1991-01-10
GB2233761A (en) 1991-01-16
CA2015412C (en) 1999-08-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee