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Method and device including primary and auxiliary magnetic poles for nondestructive detection of structural faults 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-027/82
  • G01N-027/90
출원번호 US-0685414 (1996-07-23)
발명자 / 주소
  • Weischedel Herbert R.
출원인 / 주소
  • NDT Technologies, Incorporated
대리인 / 주소
    McCormick, Paulding & Huber
인용정보 피인용 횟수 : 32  인용 특허 : 0

초록

A magnetic inspection device for detecting structural faults in elongated magnetically permeable objects has two primary and opposite poles which induce a magnetic flux to place the object at least near magnetic saturation. At least one auxiliary pole is positioned on the inspection device between t

대표청구항

[ What is claimed is:] [9.] A magnetic inspection device for nondestructively detecting structural faults in elongated objects comprising:magnet means including first and second primary magnetic poles oppositely polarized relative to each other and spaced from one another for positioning and movemen

이 특허를 인용한 특허 (32)

  1. Lee,Deok Hyun; Choi,Myung Sik; Hur,Do Haeng; Han,Jung Ho, Apparatus and method for detecting state of heat exchanger tube.
  2. Amini, Bijan K., Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materials.
  3. Amini, Bijan K., Detection of anomalies on railroad tracks.
  4. Cooper, Jared Klineman; Eldredge, David Allen; Golden, Samuel William, Distributed energy management system and method for a vehicle system.
  5. Weischedel Herbert R., Eddy current sensor assembly for detecting structural faults in magnetically permeable objects.
  6. Ramaut Edouard,FRX, Helically traveling non-destructive system for the detection of cracks in pipelines.
  7. Weischedel, Herbert R., Magnetic inspection device and method for detecting loss in metallic cross section.
  8. Amini, Bijan K., Measurements of electrical properties through non magneticially permeable metals using directed magnetic beams and magnetic lenses.
  9. Amini, Bijan K., Method and apparatus for control of magnetic flux direction and concentration.
  10. Robar,Terry M.; Veronesi,William A.; Stucky,Paul A.; Gieras,Jack F., Method and apparatus for detecting elevator rope degradation using electrical resistance.
  11. Robar, Terry M.; Veronesi, William A.; Stucky, Paul A.; Gieras, Jack F., Method and apparatus for magnetic detection of degradation of jacketed elevator rope.
  12. Boenisch, Andreas, Method and apparatus for non-destructive testing.
  13. Boenisch, Andreas, Method for non-destructive testing of electrically conductive test components employing eddy current probe and rotating magnet to perform partial saturation eddy current test.
  14. Walters,William T.; Uselton,Danny J.; Speiser,Robert W., Method, system and apparatus for ferromagnetic wall monitoring.
  15. Walters, William T.; Wu, Xiaowen, Methods and apparatus for inspecting materials.
  16. Walters,William T.; Wu,Xiaowen, Methods and apparatus for inspecting materials.
  17. Amini,Bijan K.; Carl,James R., Non-contacting apparatus and method for measurement of ferromagnetic metal thickness.
  18. Nestleroth,John B.; Davis, III,Richard J.; Gallliher,Ronnie D.; Brand,George N., Pipeline inspection apparatus and method.
  19. Amini, Bijan K., Propagation of waves through materials.
  20. Cooper, Jared Klineman; Kumar, Ajith Kuttannair; Noffsinger, Joseph Forrest, Route examining system and method.
  21. Kumar, Ajith Kuttannair; Fries, Jeffrey Michael; Noffsinger, Joseph Forrest; Mitchell, Michael Scott; Ehret, Steven Joseph, Route examining system and method.
  22. Noffsinger, Joseph Forrest; Kumar, Ajith Kuttannair; Plotnikov, Yuri Alexeyevich; Fries, Jeffrey Michael; Boyanapally, Srilatha; Ehret, Steven Joseph, Route examining system and method.
  23. George Roy CA, Sensor head for ACFM based crack detection.
  24. Bijan K. Amini, Spectral EM frequency metallic thickness measurement using metallic transparencies.
  25. Kumar, Ajith Kuttannair; Noffsinger, Joseph Forrest; Nieters, Edward James, System and method for acoustically identifying damaged sections of a route.
  26. Kumar, Ajith Kuttannair; Eldredge, David; Ballesty, Daniel; Cooper, Jared Klineman; Roney, Christopher; Houpt, Paul; Mathe, Stephen; Julich, Paul; Kisak, Jeffrey; Shaffer, Glenn; Nelson, Scott; Daum, Wolfgang, System and method for vehicle control.
  27. Otsubo, Tom; Daum, Wolfgang; Stull, Craig Alan; Hann, Gregory; Danner, Phillip, System, method and computer software code for determining a mission plan for a powered system using signal aspect information.
  28. Amini, Bijan K., Through casing resistivity measurement in permanently installed downhole production environment.
  29. Amini, Bijan K., Through tank level gauging.
  30. Katragadda, Gopichand; Earnest, Douglas; Garcia, Gregory Anthony; Reiff, Richard Paul, Transverse crack detection in rail head using low frequency eddy currents.
  31. Kumar, Ajith Kuttannair; Shaffer, Glenn Robert; Houpt, Paul Kenneth; Movsichoff, Bernardo Adrian; Chan, David So Keung; Eker, Sukru Alper, Trip optimization system and method for a train.
  32. Cooper, Jared Klineman; Kumar, Ajith Kuttannair; Smith, Eugene; Nagrodsky, Nick David; Schoonmaker, William Cherrick; Goodermuth, Todd William, Vehicle consist configuration control.
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