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[미국특허] Elongated pressure sensor for a pressure transmitter 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01L-009/12
출원번호 US-0807999 (1997-03-03)
발명자 / 주소
  • Frick Roger L.
  • Louwagie Bennett L.
  • Toy Adrian C.
출원인 / 주소
  • Rosemount Inc.
대리인 / 주소
    Westman, Champlin & Kelly, P.A.
인용정보 피인용 횟수 : 45  인용 특허 : 120

초록 ▼

A transmitter in a process control system transmits a pressure over a process control loop. The transmitter includes I/O circuitry, compensation circuitry and an absolute pressure sensor. The I/O circuitry transmits information over the process control loop. Compensation circuitry receives a pressur

대표청구항 ▼

[ What is claimed is:] [1.] A pressure transmitter for use in an industrial process control system for transmitting pressure on a process control loop, the transmitter comprising:I/O circuitry coupling to the loop for transmitting information on the loop; compensation circuitry receiving a pressure

이 특허에 인용된 특허 (120) 인용/피인용 타임라인 분석

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이 특허를 인용한 특허 (45) 인용/피인용 타임라인 분석

  1. Wang,Rongtai, Capacitance-to-digital modulator with sensor failure-mode detection.
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  14. Schumacher, Mark S.; Broden, David A.; Wiklund, David E., Flow instrument with multisensors.
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  15. Strom, Gregory Robert; Hedtke, Robert Carl; Wiklund, David Eugene, Flowmeter for measuring flow of a process fluid through a conduit including process variable sensors mounted on a pitot tube.
    상세보기
  16. Strom, Gregory Robert; Hedtke, Robert Carl; Wiklund, David Eugene, Flowmeter for measuring flow of a process fluid through a conduit including upstream and downstream process variable sensors mounted on the pitot tube.
    상세보기
  17. Hedtke, Robert C.; Sittler, Fred C., High integrity process fluid pressure probe.
    상세보기
  18. Hedtke, Robert C.; Sittler, Fred C., High integrity process fluid pressure probe.
    상세보기
  19. Broden,David A., High temperature pressure transmitter assembly.
    상세보기
  20. Dozoretz, Paul; Gu, Youfan; Holcomb, Garry; Wenzel, Ole, Integrated absolute and differential pressure transducer.
    상세보기
  21. Dozoretz,Paul; Gu,Youfan; Holcomb,Garry; Wenzel,Ole, Integrated absolute and differential pressure transducer.
    상세보기
  22. Fred C. Sittler ; Stanley E. Rud, Jr. ; Carl R. Gansen, Interchangeable differential, absolute and gage type of pressure transmitter.
    상세보기
  23. Choe, Howard C.; Glesmann, Jonathan M., Method and apparatus for estimating torque in rotating machinery.
    상세보기
  24. Choe, Howard C.; Chachich, Alan C.; Woodroffe, Jaime A., Method and apparatus for monitoring rotating machinery.
    상세보기
  25. Roper, Weston; Berge, Todd M.; Tyson, David G.; Westfield, Brian L.; Nelson, Richard L., Modular process transmitter having a scalable EMI/RFI filtering architecture.
    상세보기
  26. Frick, Roger L., Multi-phase measurement system with synchronized sigma delta converters.
    상세보기
  27. Strei, David Matthew, Multivariable process fluid transmitter for high pressure applications.
    상세보기
  28. Terry X. Beachey ; Russell N. Evans, Noise reducing differential pressure measurement probe.
    상세보기
  29. Schulte, John P., Pressure measurement device including a capacitive sensor in an amplifier feedback path.
    상세보기
  30. Sittler, Fred C.; Nord, Christina A.; Romo, Mark G., Pressure sensor assembly.
    상세보기
  31. Agren, Tomas; Marteleur, Klas, Pressure sensor having a connection housing and a sensor housing.
    상세보기
  32. Strei, David; Broden, David; Breen, Ivar, Pressure sensor module for sub-sea applications.
    상세보기
  33. Schumacher, Mark Stephen; Broden, David Andrew, Pressure sensor with mineral insulated cable.
    상세보기
  34. Eriksen, Christopher Lee; Xu, Lihong, Pressure transmitter having an isolation assembly with a two-piece isolator plug.
    상세보기
  35. Schulte,John; Romo,Mark; Rud, Jr.,Stanley E., Pressure transmitter with multiple reference pressure sensors.
    상세보기
  36. Haywood, Nicholas John, Process fluid pressure sensing assembly for pressure transmitters subjected to high working pressure.
    상세보기
  37. Schulte, John Paul, Process measurement system with variable amplitude sensor excitation.
    상세보기
  38. Schnaare,Theodore Henry; McGuire,Chad Michael, Process transmitter with overpressure vent.
    상세보기
  39. Hedtke, Robert C., Process variable transmitter with process variable sensor carried by process gasket.
    상세보기
  40. Hedtke, Robert C., Process variable transmitter with process variable sensor carried by process gasket.
    상세보기
  41. Breen, Ivar; Miller, Brent W.; Scheldorf, Jay; Aydar, Gokhan; Broden, David, Remote seal pressure measurement system for subsea use.
    상세보기
  42. Jaime A. Woodroffe ; Alan C. Chachich ; Jonathan M. Glesmann ; Howard C. Choe ; Kevin J. Keane, Sensor plug.
    상세보기
  43. Gravel, James L.; Sittler, Fred C.; Broden, David A., Sensor with fluid isolation barrier.
    상세보기
  44. Hedtke, Robert C., Thermal diagnostic for single-crystal process fluid pressure sensor.
    상세보기
  45. Smith, Joseph Alan; Cota, Jeffrey Alan; Junk, Brian Scott; Rogers, Steven Bruce, Wafer style insertable magnetic flowmeter with collapsible petals.
    상세보기

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