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Magnetic flow sensor

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01F-001/58
출원번호 US-0166349 (1998-10-05)
발명자 / 주소
  • Feller Murray F.
대리인 / 주소
    Harness Dickey & Pierce P.L.C.
인용정보 피인용 횟수 : 35  인용 특허 : 10

초록

Sensors for measuring the flow rate of fluids flowing through or around a chamber. The chamber is formed using electrically insulating material through which there is an orthogonal alternating magnetic field provided by a mechanically repositioned permanent magnet and at least a pair of electrodes i

대표청구항

[ What is claimed is:] [1.] A flow sensor for measuring a rate of flow of a fluid, the sensor comprising:at least one electrically insulated flow passage;at least a pair of permanent magnets located outside of the flow passage and orthogonal to a direction of the fluid flow and providing magnetic fl

이 특허에 인용된 특허 (10)

  1. Kubota Yousuke (Tokyo JPX), Electromagnetic flow meter.
  2. Ueno Kazuo (Chita JPX), Electromagnetic flow meter.
  3. Amata Yoshitaka (Yokkaichi JPX), Electromagnetic flowmeter of the residual magnetism type.
  4. Schmoock Roy F. (Yardley PA), Electromagnetic flowmeter with alternating permanent magnet field.
  5. Smoll Owen C. (635 Baker St. ; Apt. 202 Costa Mesa CA 92626), In line electromagnetic flow measurement transducer.
  6. Feller Murray F. (Rte. 2 ; Box 562A Micanopy FL 32667), Magnetic flow sensor.
  7. Skladzien Stanley B. (Elmhurst IL) Raue Donald J. (Naperville IL), Magnetic flowmeter for electrically conductive liquid.
  8. Forster George A. (Westmont IL), Magnetic transit-time flowmeter.
  9. Ogle John Seldon, Noninvasive blood flow sensor using magnetic field parallel to skin.
  10. Tomita Toyofumi (Tokyo JPX), Square-wave current generator.

이 특허를 인용한 특허 (35)

  1. Heide, Alexander; Nikolic, Dejan, Apparatus for measuring a liquid flow.
  2. Bier, Thomas, Apparatus for measuring flow of a medium.
  3. Laursen, Paul; Comello, Corry; Lee, Roderick, Conduit sensor device with magnetic shunt and process for modifying a magnetic field.
  4. Wu, Jogin R.; Moreno, Mario, Device and method for performing blood thromboelastographic assays by magnetic sensing.
  5. Salser, Jr.,Floyd Stanley; Harvey,Ian Phillip; Allcorn,Roger, Dual magnetic field sensor unit.
  6. Gouwens, Lee, Electromagnetic flow meter.
  7. Asada, Takatoshi; Kittaka, Daigo; Oyamatsu, Yasuko; Komai, Masafumi; Oota, Hiroyuki, Electromagnetic flow rate measurement system and calibrator therefor.
  8. Jaghuber, Bernd, Electronic pipette.
  9. Feller, Murray F.; Feldman, Marvin J., Flow probe insertion gauge.
  10. Roy, Sushovon S.; Dorffer, Daniel F.; Crawford, Donald L., Fluid conductivity measurement tool and methods.
  11. Bishop, Wilfred Ignatius, Fluid velocity transducer.
  12. Hurst, Gregg W.; Lembcke, Jeffrey J.; Paulet, Bryan A., Instrumented rod rotator.
  13. Rogers, Steven Bruce; Mayer, Michael John; Messenger, Samuel Ethan; Mikolichek, Michael Jeffrey, Magnetic core configuration for magnetic flowmeters.
  14. Rovner, Bruce D.; Messenger, Samuel E.; Dreier, Jared J.; Beyl, John C., Magnetic core configuration for magnetic flowmeters having a plurality of layers of magnetically permeable material.
  15. Murray F. Feller, Magnetic flow sensor and method.
  16. Murray F. Feller, Magnetic flow sensor and method.
  17. Yellen, Benjamin B.; Friedman, Gennady, Magnetic fluid manipulators and methods for their use.
  18. Yellen, Benjamin B.; Friedman, Gennady, Magnetic fluid manipulators and methods for their use.
  19. Yellen, Benjamin B.; Friedman, Gennady, Magnetic fluid manipulators and methods for their use.
  20. Wilhelm Florin DE, Magnetoinductive flowmeter for moving fluids.
  21. Winter, Dan, Meter register.
  22. Winter, Dan, Meter register.
  23. Winter,Dan, Meter register.
  24. Winter, Dan; Koch, Ronald N., Meter register and remote meter reader utilizing a stepper motor.
  25. Winter, Dan; Koch, Ronald N., Meter register and remote meter reader utilizing a stepper motor.
  26. Winter, Dan; Koch, Ronald N., Meter register and remote meter reader utilizing a stepper motor.
  27. Winter,Dan, Meter register having an encoder.
  28. Winter, Dan, Meter register transmitting flow rate warning.
  29. Winter, Dan, Meter register transmitting flow rate warning.
  30. Hamilton, David; Castleberry, Walter; Scarborough, John, Method and apparatus for determining the direction and rate of a rotating element.
  31. Medizade, Masoud; Ridgely, John Robert, Method, system and computer program product for monitoring and optimizing fluid extraction from geologic strata.
  32. Thomas, Gordon A.; Farrow, Reginald Conway; Liu, Sheng, No clog shunt using a compact fluid drag path.
  33. Momose, Osamu; Mitsutake, Ichiro; Matsunaga, Shinsuke; Inoue, Taka; Ushiyama, Masahide, Signal amplifying circuit for electromagnetic flow meter.
  34. Castle,Harold L.; Yu,DeQuan; Kempfer,Stephen T.; Krieger,Norman N.; Fisher,Paul E.; Sharp,Sheven; Thompson,James L., System for controlling motor speed by altering magnetic field of the motor.
  35. Jacobsen, Brad, Wireless pressure measurement and monitoring for shunts.
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