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특허 상세정보

Detection of overheated railroad wheel and axle components

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B61K-009/06   
미국특허분류(USC) 246/169A ; 250/342 ; 250/2521 ; 340/682
출원번호 US-0759237 (1991-09-13)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 26  인용 특허 : 0
초록

Overheated railroad journal bearings, wheels, and other wheel components on a moving or stationary railroad train are detected by amplifying the current signal from an infrared radiation sensor comprising a pytoelectric cell. A reference temperature is sensed by chopping the incident infrared radiation with an asynchronous shutter that momentarilly closes at successive time spacings of shorter duration than the scanning period of the sensor. The amplified signal is converted to a digital signal and processed by a microcontroller and associated hardware a...

대표
청구항

In a process for detecting an overheated component of a railroad train, the steps of: at a trackside location, sensing heat from said component with an infrared detector; comparing the response of said detector when infrared radiation is received form said component to the response of said detector when infrared radiation from the component is not received by the detector; and when said radiation is not being received, (a) pulsing a radiation-emitting element at two input energy levels to irradiate said detector, (b) comparing the output signals from sai...

이 특허를 인용한 특허 피인용횟수: 26

  1. Bartonek, Mark. Apparatus and method for detection of railroad wheel and bearing temperature. USP2005036872945.
  2. Ray Sib S. ; Dobler August J.. Apparatus and method of thermally detecting elevator machine brake. USP2000086095289.
  3. Patchell, John W.. Detecting device and method of using same. USP2009127634341.
  4. Patchell, John W.. Detecting device and method of using same. USP2004066753766.
  5. Agostini, Alessandro; Ricci, Andrea. Device for testing a sensor of train undercarriage temperatures. USP2015028944677.
  6. Agostini, Alessandro; Ricci, Andrea. Device for testing a sensor of train undercarriage temperatures. USP2016089423305.
  7. Wallace James L. ; Broussard Ronney L.. Failed bearing indicator. USP2001056237877.
  8. Church, Benjamin Paul. Method and apparatus for monitoring bearings. USP2010087769564.
  9. Church, Benjamin Paul; Hamerle, Steven. Method and apparatus for monitoring bearings. USP2010077752015.
  10. Ralph, Robert Waldo. Method and apparatus for monitoring wheel/brake performance. USP2004116823242.
  11. Bartonek,Mark. Method and apparatus for time-phased constant IR energy delta source. USP2006047026609.
  12. Kane, Mark Edward; Shockley, James Francis; Hickenlooper, Harrison Thomas. Method and system for compensating for wheel wear on a train. USP2005116970774.
  13. Wirth, Xaver; Schlenk, Ludwig; Schmid, Ralf. Monitoring system and method for brake disks. USP2003096615954.
  14. Arndt, Donald J.; Bartonek, Mark J.. Multi-beam detector retrofitted from single-beam detector. USP2015018927936.
  15. Thompson, Jeffrey G.; Hull, John R.; Safai, Morteza; Fetzer, Barry A.; Georgeson, Gary E.; Brady, Steven K.. Nondestructive evaluation of railroad rails, wheels, and axles. USP2017099752993.
  16. Fujiwara, Shigemi. Pyroelectric sensor array and pyroelectric infrared detection device. USP2014078766187.
  17. Lane,T Randall; Schlagheck,Jerry. Smart thermal imaging and inspection device for wheels and components thereof and method. USP2009037507965.
  18. Snyder, Todd W.. Statistical and trend analysis of railroad bearing temperatures. USP2004116813581.
  19. Bartonek, Mark. System and method for correcting signal polarities and detection thresholds in a rail vehicle inspection system. USP2012028112237.
  20. Church, Benjamin Paul; Arndt, Donald. System and method for filtering temperature profiles of a wheel. USP2012108280675.
  21. Cryer, Robert Douglas; Waugaman, Charles Joseph; Stewart, Lance Thomas; Escobar, Dario Patrico; Kumar, Manoj P.; Handler, Laurence Richard; Daniel, Cecil M.. System and method for monitoring the condition of a heat exchange unit. USP2005086931352.
  22. Hull, John R.; Georgeson, Gary E.; Safai, Morteza; Fetzer, Barry A.; Brady, Steven K.; Thompson, Jeffrey G.. System and method for nondestructive evaluation of a test object. USP20190110191014.
  23. Patchell John W. (Carleton Place CAX). Thermal emitted radiation detecting device. USP1997095668539.
  24. Bartonek, Mark. Time phased constant IR energy delta source. USP2005046881951.
  25. Hesser, Peter; Strecker, Thomas; Metschke, Miles; Shanahan, Thomas; Stevens, Daniel Kurt; Hartmann, Mathias. Train wheel bearing temperature detection. USP2013048430363.
  26. Hesser, Peter; Strecker, Thomas; Metschke, Miles; Shanahan, Thomas; Stevens, Daniel Kurt; Hartmann, Mathias. Train wheel bearing temperature detection. USP2014018622351.