DE3834828C1 - - Google Patents

Info

Publication number
DE3834828C1
DE3834828C1 DE19883834828 DE3834828A DE3834828C1 DE 3834828 C1 DE3834828 C1 DE 3834828C1 DE 19883834828 DE19883834828 DE 19883834828 DE 3834828 A DE3834828 A DE 3834828A DE 3834828 C1 DE3834828 C1 DE 3834828C1
Authority
DE
Germany
Prior art keywords
counter
distance
ultrasonic transducer
proximity switch
wheel
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.)
Expired - Lifetime
Application number
DE19883834828
Other languages
German (de)
English (en)
Inventor
Rainer 6654 Kirkel De Neuschwander
Wilhelm Dipl.-Ing. Repplinger (Fh), 6638 Dillingen, De
H.-Juergen Dipl.-Phys. 6680 Neunkirchen De Salzburger
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to DE19883834828 priority Critical patent/DE3834828C1/de
Priority to PCT/DE1989/000564 priority patent/WO1990004173A1/de
Application granted granted Critical
Publication of DE3834828C1 publication Critical patent/DE3834828C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/27—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the material relative to a stationary sensor
    • 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
    • G01N29/24—Probes
    • G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0423—Surface waves, e.g. Rayleigh waves, Love waves
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/101—Number of transducers one transducer
    • 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
    • G01N2291/2696—Wheels, Gears, Bearings

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
DE19883834828 1988-10-13 1988-10-13 Expired - Lifetime DE3834828C1 (OSRAM)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19883834828 DE3834828C1 (OSRAM) 1988-10-13 1988-10-13
PCT/DE1989/000564 WO1990004173A1 (de) 1988-10-13 1989-08-29 Vorrichtung zum ansteuern einer ultraschall-radprüfanlage für eisenbahnräder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883834828 DE3834828C1 (OSRAM) 1988-10-13 1988-10-13

Publications (1)

Publication Number Publication Date
DE3834828C1 true DE3834828C1 (OSRAM) 1990-03-22

Family

ID=6364995

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883834828 Expired - Lifetime DE3834828C1 (OSRAM) 1988-10-13 1988-10-13

Country Status (2)

Country Link
DE (1) DE3834828C1 (OSRAM)
WO (1) WO1990004173A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704700A1 (de) * 1994-10-01 1996-04-03 Hegenscheidt-MFD GmbH Ultraschallwandler zur Prüfung von Eisenbahnrädern
DE29914616U1 (de) 1999-08-20 2000-01-13 Siemens AG, 80333 München Prüfeinrichtung für Schienenräder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2151832B1 (es) * 1998-08-04 2001-07-16 Talgo Patentes Instalacion para la evaluacion automatica del estado de la banda de rodadura en ruedas de trenes en movimiento.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004455A (en) * 1975-05-23 1977-01-25 Teleweld, Inc. Flaw detecting apparatus for railroad rails and the like
DE3218453C2 (de) * 1982-05-15 1984-06-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Elektromagnetischer Ultraschallwandler zur zerstörungsfreien Prüfung von elektrisch leitfähigen Werkstoffen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995032A (en) * 1955-06-07 1961-08-08 Charles M Angel Mobile axle flaw detector unit carrier
US3417610A (en) * 1965-12-29 1968-12-24 Automation Ind Inc Automatic ultrasonic railroad wheel inspection system
US3596503A (en) * 1968-07-15 1971-08-03 Amsted Ind Inc Method and apparatus for manipulating and testing railway wheels
US3978712A (en) * 1971-11-17 1976-09-07 Scanning Systems, Inc. Method and apparatus for testing wear, size and residual stress conditions
US4050292A (en) * 1976-10-18 1977-09-27 Krautkramer-Branson, Incorporated Method and apparatus for testing railroad wheels
SE453984B (sv) * 1984-08-14 1988-03-21 Karl Rune Soren Hallberg Forfarande och anordning for att detektera hjul med skadade lopytor hos relsfordon
DE3505260A1 (de) * 1985-02-15 1986-08-21 Deutsche Bundesbahn, vertreten durch das Bundesbahn-Zentralamt Minden (Westf), 4950 Minden Ultraschall-pruefvorrichtung zur zerstoerungsfreien pruefung der laufflaeche von schienenfahrzeugraedern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004455A (en) * 1975-05-23 1977-01-25 Teleweld, Inc. Flaw detecting apparatus for railroad rails and the like
DE3218453C2 (de) * 1982-05-15 1984-06-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Elektromagnetischer Ultraschallwandler zur zerstörungsfreien Prüfung von elektrisch leitfähigen Werkstoffen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z.: Signal + Draht, 72 Jhg., H. 9, September 1980, S. 166-172 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704700A1 (de) * 1994-10-01 1996-04-03 Hegenscheidt-MFD GmbH Ultraschallwandler zur Prüfung von Eisenbahnrädern
DE29914616U1 (de) 1999-08-20 2000-01-13 Siemens AG, 80333 München Prüfeinrichtung für Schienenräder

Also Published As

Publication number Publication date
WO1990004173A1 (de) 1990-04-19

Similar Documents

Publication Publication Date Title
EP0761522A1 (de) Verfahren und Vorrichtung zur Bestimmung der Position wenigstens einer Stelle eines spurgeführten Fahrzeugs und deren Verwendung
DE19842250A1 (de) Verfahren zur Bestimmung des Abstandes zwischen einem Objekt und einer sich örtlich verändernden Einrichtung, insbesondere einem Kraftfahrzeug
DE19711467A1 (de) Verfahren zur Bestimmung des senkrechten Abstandes zwischen einem Objekt und einer sich örtlich verändernden Einrichtung
DE4204602A1 (de) Verfahren zur koordinatenmessung an werkstuecken
DE3938520A1 (de) Verfahren und system zur messdatenerfassung und -auswertung
DE2733907C3 (de) Einrichtung zur Verhinderung einer Kollision eines Kraftfahrzeugs mit einem auf der Fahrbahn befindlichen Hindernis
EP3237266A1 (de) Verfahren und ortungseinrichtung zum bestimmen der position eines spurgeführten fahrzeugs, insbesondere eines schienenfahrzeugs
EP2903879A2 (de) Fahrzeugortung
DE19836081A1 (de) Verfahren zur Früherkennung von Schäden an Schienenfahrzeugen
EP0782000A1 (de) Verfahren zur Geschwindigkeitsmessung mit Kombination von Zeitintervallmessung und Korrelation
EP4230501B1 (de) Verfahren und vorrichtung zur erfassung einer bewegung eines schienenfahrzeugs entlang eines schienenwegs
DE2232207C3 (de) Verfahren und Vorrichtung zur Abstandsmessung, insbesondere zur Feinmessung an Werkstücken
DE3148157A1 (de) Verfahren und vorrichtung zur ortung von eisenbahnraedern
DE3834828C1 (OSRAM)
DE3913159A1 (de) Verfahren und vorrichtung zur messung von wellenfoermigen deformationen an wenigstens einer schienenoberseite (schienenlaufflaeche) eines schienenweges
DE4238151A1 (de) Verfahren zur Ermittlung der Temperatur von Eisenbahnfahrzeugen und Fahrzeugkomponenten und Vorrichtung zur Durchführung des Verfahrens
DE4041149C1 (en) Vehicle type classification within traffic flow - comparing vehicle silhouette with patterns stored in memory
EP1030190A1 (de) Einrichtung zur Positionserfassung
DE3300429A1 (de) Einrichtung zur zuglaengenmessung
DE2402719C3 (de) Weg- und Geschwindigkeitsmeßeinrichtung für Schienenfahrzeuge
DE3036164C2 (de) Längenmeßeinrichtung
DE69810310T2 (de) Verfahren zur eichung einer geschwindigkeits- oder entfernungsmesseinrichtung
DE19522265C1 (de) Verfahren zur Bestimmung der Geschwindigkeit eines Fahrzeuges
EP0638877A2 (de) Datenerfassungssystem für Fahrzeuge
DE3044503A1 (de) "einrichtung zur automatischen eichung von wegmessvorrichtungen"

Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)