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특허 상세정보

Method and apparatus for monitoring wind turbine blades during operation

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01N-029/22    F03D-011/00   
출원번호 US-0837145 (2013-03-15)
등록번호 US-9194843 (2015-11-24)
발명자 / 주소
  • Newman, John W.
출원인 / 주소
  • Digital Wind Systems, Inc.
대리인 / 주소
    Panitch Schwarze Belisario & Nadel LLP
인용정보 피인용 횟수 : 2  인용 특허 : 36
초록

A wind power turbine blade inspection system includes a sensor positioned on the blade root end bulkhead to receive airborne acoustic signals emanating from anomalies in rotating turbine blades during cyclic stress loading, a three axis accelerometer to determine the gravity vector and other sources of cyclic acceleration with respect to the acoustic signals and a signal analysis system configured to analyze the sensor and accelerometer signals to provide data for wind power asset management.

대표
청구항

1. A method of detecting defects in a wind turbine blade, comprising steps of: detecting, during motion of the wind turbine blade, a position, over time, of the wind turbine blade with respect to a gravity vector;detecting, within an enclosed space of the wind turbine blade, acoustic information that is emitted from the wind turbine blade; andanalyzing the acoustic information in conjunction with the position, over time, of the wind turbine blade to identify a potential defect in the wind turbine blade. 2. A method of detecting defects in a wind turbine ...

인용문헌 (36)

  1. Hernandez Walter C. (Potomac MD) Vosburgh Frederick (Vienna VA), Apparatus and method for analyzing the condition and performance of turbomachines by processing signals representing rot.
  2. Tyson ; II John (Wayne PA) Newman John W. (Berwyn PA), Apparatus and method for nondestructive inspection of a vehicle.
  3. Pouet Bruno F. (Evanston IL) Chatters Tom C. (Chicago IL) Krishnaswamy Sridhar (Evanston IL), Apparatus and method for nondestructive testing using additive-subtractive phase-modulated interferometry.
  4. Smith John P,GBX ; Salter Phillip L,GBX ; Parker Steve C J,GBX, Apparatus and method for shearographic inspection and non-destructive testing of articles in a vacuum chamber.
  5. Tansey,Richard J., Black fringe wavefront sensor.
  6. Bosselmann,Thomas; Willsch,Michael; Perez,Francisco Javier Sevilla; Sanjana,Zal, Doppler radar sensing system for monitoring turbine generator components.
  7. Bosselmann,Thomas; Willsch,Michael; Perez,Francisco Javier Sevilla; Sanjana,Zal, Doppler radar sensing system for monitoring turbine generator components.
  8. Dewa Paul G. ; Kulawiec Andrew W., Grazing incidence interferometry for measuring transparent plane-parallel plates.
  9. Brummel,Hans Gerd, Infrared-based method and apparatus for online detection of cracks in steam turbine components.
  10. Kachanov Alexander A. (Moscow RUX), Interferometer with alignment assembly and with processor for linearizing fringes for determining the wavelength of lase.
  11. Jones Alan R.,GBX, Method and an apparatus for inspecting articles.
  12. Donskoy Dimitri M. ; Sutin Alexander M., Method and apparatus for acoustic detection and location of defects in structures or ice on structures.
  13. Shepard,Steven M., Method and apparatus for detecting kissing unbond defects.
  14. Milacic, Milos, Method and apparatus for measuring the mass flow of hydrogen in a fuel cell.
  15. Harry Israel Ringermacher ; Donald Robert Howard ; Ravindra Kumar Pandey, Method and apparatus for quantitative nondestructive evaluation of metal airfoils using high resolution transient thermography.
  16. Mahner, Bernward, Method and apparatus for testing objects.
  17. Newman, John W., Method and apparatus for the remote nondestructive evaluation of an object using shearography image scale calibration.
  18. Brincker, Rune; Andersen, Palle, Method for vibration analysis.
  19. John W. Hafer, Jr., Microwave blade tracker.
  20. Parsons, Douglas; Jalbert, Peter, Microwave position sensing for a turbo machine.
  21. Grzybowski Richard R. ; Meltz Gerald, Microwave recess distance and air-path clearance sensor.
  22. Twerdochlib Michael (Oviedo FL) Beeson Robert J. (Oviedo FL) Bateman David E. (Geneva FL) Rozelle Paul F. (Fern Park FL) DeMartini John F. (Lake Mary FL), Microwave system for monitoring turbine blade vibration.
  23. Zoughi Reza ; Yeh Chin-Yung,TWX ; Ganchev Stoyan I. ; Huber Christian, Microwaves used for determining fatigue and surface crack features on metal surfaces.
  24. Keating John E. (Upper Derby PA), Narrow beam radar installation for turbine monitoring.
  25. Hazel,Brian Thomas; Darolia,Ramgopal, Non-destructive determination of machining induced surface defects on metal parts.
  26. Schafrik, Robert E.; Buczek, Matthew B.; Darolia, Ramgopal; LeClair, Steven R.; Maguire, John F.; Fitzgerald, William C., Non-destructive evaluation of thermal barrier coatings in gas turbine engines.
  27. Newman John W. (Berwyn PA), Nondestructive testing using air-coupled acoustic excitation.
  28. Hernandez Walter (Potomac MD) Page Edward (Kensington MD), Noninvasive method and apparatus for determining resonance information for rotating machinery components and for anticip.
  29. Bard, Benjamin A.; Lu, Guowen; Wu, Shudong; Newman, John W., Portable real-time high-resolution digital phase-stepping shearography with integrated excitation mechanisms.
  30. Evers, Daniel; Ziroff, Andreas, Radial gap measurement on turbines.
  31. Rivera, Jorge E.; Youngquist, Robert C.; Cox, Robert B.; Haskell, William D.; Stevenson, Charles G., Scaling device for photographic images.
  32. Tralshawala, Nilesh; Faidi, Waseem Ibrahim, System and method for inspecting a wind turbine blade.
  33. Wobben, Aloys, System and method for monitoring a wind turbine.
  34. Gualtieri, Devlin M., Turbine blade proximity sensor and control system.
  35. Bannister Ronald L. (Westtown PA) Beatty John M. (Aston PA), Turbine blade vibration detection apparatus.
  36. Parsche, Francis Eugene; Seybold, John Steven, Wind turbine providing reduced radio frequency interaction and related methods.