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Electromagnetic fluid velocity sensor with adjustable electrodes

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01F-001/58
출원번호 US-0905021 (2010-10-14)
등록번호 US-8434371 (2013-05-07)
발명자 / 주소
  • Marsh, Lawrence B.
출원인 / 주소
  • BrickHouse Innovations, LLC
대리인 / 주소
    Laubscher, Sr., Lawrence E.
인용정보 피인용 횟수 : 4  인용 특허 : 47

초록

An electromagnetic flowmeter includes at least one electromagnet coil arranged outside a liquid flow passage for generating an electromotive force in the liquid flow, and at least one pair of electrodes adjustably extending within the liquid flow for generating a velocity component signal. Preferabl

대표청구항

1. An electromagnetic flowmeter for measuring the velocity of fluid in a passage, comprising: (a) a passage including a conduit or an open-topped channel for conveying the fluid flow in a given generally horizontal direction;(b) an electromagnetic coil arrangement arranged externally of said passage

이 특허에 인용된 특허 (47)

  1. Rademakers Petrus J. (Aerdenhout NLX), Angular velocity sensor.
  2. Marsh Lawrence B. (12842 Littleton St. Silver Spring MD 20906), Averaging velocity sensor for measuring fluid flow in a conduit.
  3. Spagnolo Pasquale (Unionville CAX), Building products.
  4. Scarpa Thomas J., Commutating electrode magnetic flowmeter.
  5. Ketelsen Broder (Asternweg 15 D-3405 Rosdorf 9 DEX) Ketelsen Andres (Asternweg 15 D-3405 Rosdorf 9 DEX), Device for inductively measuring the state of a stream of electrically conductive liquid.
  6. Zank, Paul A.; Sutphin, Eldon M.; Buchanan, David W.; Cehelnik, Thomas G., Electric field sensor.
  7. Kasper Rolf F. (Old Lyme CT) Langston Lee S. (Manchester CT), Electrode array electromagnetic velocimeter.
  8. Ketelsen Broder (Settmarshausen DEX), Electromagnetic flowmeter.
  9. Murray Jean P. (Minneapolis MN) Bohn David C. (Stillwater Township ; Washington County MN) Bengtson Darroll D. (New Brighton MN), Electromagnetic flowmeter.
  10. Wada Ichiro (Yokohama JPX), Electromagnetic flowmeter.
  11. Codazzi Daniel (St Etienne FRX) Mioque Jean-Yves (St Etienne FRX) Montaron Bernard (St Priest en Jarez FRX), Electromagnetic flowmeter for conductive or dielectric fluids and its applications in particular oilfield.
  12. Hemp John (Wootton GB2), Electromagnetic flowmeters.
  13. Brown Samuel D. (East Bend NC) Barefoot Charles A. (Winston-Salem NC) Jones Charles R. (Winston-Salem NC) Stanley Larry S. (Tobaccoville NC), Electromagnetic fluid flow transducer.
  14. Davis James W. (New Britain PA), Encapsulated electromagnetic flowmeter.
  15. Marsh Lawrence B. (Silver Spring MD), Flow meter having an electromagnetic sensor probe.
  16. Mller Stefan (Karlsdorf DEX) Thun Gerhard (Karlsdorf DEX) Glauner Wolfgang (Karlsruhe DEX), Flowmeter.
  17. Marsh Lawrence B. (Buckeystown MD), Flowmeter with concentrically arranged electromagnetic field.
  18. Marsh ; Lawrence B., Fluid flow meter.
  19. Olson Jack R. (San Diego CA), High sensitivity flowmeter.
  20. Ketelsen,Andres, Inductive flow meter for electrically conductive liquids.
  21. Olson Jack R. (San Diego CA), Low-power electromagnetic flowmeter.
  22. Feller, Murray F, Magnetic flow meter.
  23. Feller, Murray F, Magnetic flow meter with selective electrode positioning.
  24. Scarpa Thomas J. (Edinboro PA), Magnetic flowmeter.
  25. Lew Hyok S. (7890 Oak St. Arvada CO 80005) Lew Yon S. (7890 Oak St. Arvada CO 80005) Lew Yon K. (7890 Oak St. Arvada CO 80005), Magnetic flowmeter determining flow rate from phase angle difference.
  26. Marsh, Lawrence B., Magnetic flowmeter having a separable magnet/electrode assembly.
  27. Wang Shiquan ; Lewis Peter B. ; Fonteneau Norman O. ; Devore Vincent W., Magnetic flowmeter with empty tube detection.
  28. Lew Hyok S. (7890 Oak St. Arvada CO 80005) Lew Yon S. (7890 Oak St. Arvada CO 80005), Magnetic induction flowmeter.
  29. Brockhaus,Helmut; Poortmann,Boudewijn Jozef; Florin,Wilhelm; van Willigen,Arnould Leendert, Magnetoinductive flowmeter and method for operating a magnetoinductive flowmeter.
  30. Conrady,Wilfried; Keese,Dieter, Magnetoinductive flowmeter with galvanic measurement electrodes having a head section of a noble material.
  31. Doll, Friedhelm, Measuring device for the magneto-inductive measuring of the flow rate of a liquid medium.
  32. Brockhaus,Helmut; Florin,Wilhelm, Method for operating a magnetoinductive flowmeter.
  33. Matzen, Steen M., Method for testing an electromagnetic flowmeter, and an electromagnetic flowmeter arrangement.
  34. Boss Jurg A. (Arlesheim CHX), Method for the inductive measurement of fluid flow.
  35. Hafner Peter (Therwil CHX), Method of compensating the interference DC voltages in the electrode circuit in magnetic-conductive flow measurement.
  36. Brown Christopher R. (Wrentham MA), Monolithic flow tube with improved dielectric properties for use with a magnetic flowmeter.
  37. Yoshida Yutaka (Aichi JPX), Non-full state detecting apparatus and method.
  38. Marsh Lawrence B. ; Heckman Donald B., Open channel flowmeter utilizing surface velocity and lookdown level devices.
  39. Marsh, Lawrence B., Pressure level sensor.
  40. Marsh Lawrence B. (Buckeystown MD) Wright John D. (Gaithersburg MD), Pump station flowmeter.
  41. Marsh Lawrence B. (Buckeystown MD) Wright John D. (Gaithersburg MD), Pump station flowmeter with sudden high inflow change detector.
  42. Marsh Lawrence B. (Buckeystown MD) Wright John D. (Gaithersburg MD), Self-calibrating open-channel flowmeter.
  43. Kobayashi Tamotsu (Yokohama JPX), Signal generator for electromagnetic flowmeter.
  44. Marsh Lawrence B. (Silver Spring MD), Spherical electromagnetic water current velocity sensor with protruding electrodes.
  45. Marsh Lawrence B. (Buckeystown MD), Tracer type flowmeter and method using two or more injected trace materials.
  46. Schmoock Roy F. (Yardley PA), Unitary electromagnetic flowmeter having molded electrodes.
  47. Toshisuke Sakai JP; Toshihiko Matsuda JP; Kazuyuki Kasahara JP; Yasumasa Fukami JP; Takashi Ehara JP; Motohiko Matsuguma JP; Yasuhiko Ezaki JP; Masashi Yamaguchi JP, Vortex flow meter.

이 특허를 인용한 특허 (4)

  1. Marsh, Lawrence B., Electromagnetic boat speedometer having boundary layer velocity compensation.
  2. Marsh, Lawrence B., Electromagnetic boat speedometer having removable electrodes.
  3. Schoohf, Michael, Flow measuring device.
  4. Rick, David L.; Kennerknecht, Martin; Siedschlag, Stefan; Kratz, Fabian; Audergon, Leon, Flow meter with adaptable beam characteristics.
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