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[미국특허] Ultrasonic method and apparatus for determining water level in a closed vessel 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01F-023/28
출원번호 US-0753516 (1991-09-03)
발명자 / 주소
  • Bower John R. (Lynchburg VA) Powers Thomas (Lynchburg VA) Whaley Hubert L. (Lynchburg VA)
출원인 / 주소
  • The Babcock & Wilcox Company (New Orleans LA 02)
인용정보 피인용 횟수 : 52  인용 특허 : 19

초록 ▼

An ultrasonic method and apparatus for measuring liquid level in a vessel employing an acoustic waveguide (16) connected to an ultrasonic transducer (14) and the vessel (18). Guiding means (24) situated inside a vessel (18) directs the acoustic energy pulse to a surface (22) of the liquid. The acous

대표청구항 ▼

An apparatus for acoustically measuring liquid level in a vessel, comprising: an acoustic waveguide attached at a predetermined location to a wall of the vessel; transducer means connected to said acoustic waveguide at a predetermined distance from the vessel for directing an acoustic energy pulse a

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

  1. Birchak James R. (Spring TX) Lygas Edward A. (Houston TX), Acoustic device for measuring fluid properties.
    상세보기
  2. Shen Joseph J. S. (Brea CA), Automated steady state relative permeability measurement system.
    상세보기
  3. Holroyd Trevor J. (Derby GB2), Fluid level monitor.
    상세보기
  4. Webster John R. (Derby GB2), Fluid level monitor.
    상세보기
  5. Reijonen Veli E. (Helsinki FIX) Reijonen Risto (Helsinki FIX), Ground water well dimensioning procedure.
    상세보기
  6. Viscovich Paul W. (Longwood FL), Liquid acoustic waveguide tube.
    상세보기
  7. Telford David W. (Caithness GBX), Liquid level monitoring.
    상세보기
  8. Christensen Douglas A. (Salt Lake City UT), Method and apparatus for optically measuring fluid levels.
    상세보기
  9. Bostrm Jan I. (Nordhemsgatan 49 S-413 06 Gteborg SEX), Method of indicating the time of an acoustic pulse and a device for carrying out the method.
    상세보기
  10. Sluys Wesley W. (Bellingham WA), Movable float system for boat launching ramps.
    상세보기
  11. Lynnworth Lawrence C. (Waltham MA), Slow torsional wave densitometer.
    상세보기
  12. Schurr ; Peter, Sonic echo-sounder for the measurement of levels of substances.
    상세보기
  13. Dennis John R. (Duncan OK) Fish Harold D. (Duncan OK), System and method for determining fluid level in a container.
    상세보기
  14. Kikuta Mitsuhiro (Nagoya JPX) Takahashi Toshinori (Bisai JPX) Terayama Tatsuya (Tsushima JPX) Hasegawa Kimiko (Aichi JPX) Hayashi Chikahisa (Anjo JPX), Ultrasonic level gauge.
    상세보기
  15. Scott-Kestin Colin B. (Stoke-sub-Hamdon ; GB2) Pike Roger B. (Newbury GB2) Watkins Roger D. (Wantage GB2) Gillespie Arthur B. (Abingdon GB2) Deighton Michael O. (Reading GB2), Ultrasonic liquid interface detector.
    상세보기
  16. Caldwell Joseph W. (Danville CA) Slobodnik Mark W. (Martinez CA), Ultrasonic liquid level monitoring system.
    상세보기
  17. Lynnworth Lawrence C. (Waltham MA) Seger John L. (Waltham MA) Bradshaw James E. (Tyngsboro MA), Ultrasonic system for measuring fluid impedance or liquid level.
    상세보기
  18. Shuler ; Cobia B. ; Moore ; Jr. ; Wesley E., Water level measurement device.
    상세보기
  19. Fasching George E. (Morgantown WV) Evans Donald M. (Point Marion PA) Ernest John H. (Morgantown WV), Wireless remote liquid level detector and indicator for well testing.
    상세보기

이 특허를 인용한 특허 (52) 인용/피인용 타임라인 분석

  1. Stein, Marc; Roche, Martin, Bone cutting system for alignment relative to a mechanical axis.
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  2. Stein, Marc; Roche, Martin, Bone cutting system for the leg and method therefor.
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  3. Dam, Naim, Bottom up contact type ultrasonic continuous level sensor.
    상세보기
  4. Enzler, George W.; Melder, Glen D., Bottom up contact type ultrasonic continuous level sensor.
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  5. Quist, Gregory M.; Drake, David A.; Merchell, Lawrence B., Detecting a sediment condition in a conduit.
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  6. Kreber, Stefan; Weis, Manfred, Device and method for conveying a fluid to a filter unit of a medical treatment apparatus.
    상세보기
  7. Stein, Marc, Device and method for enabling an orthopedic tool for parameter measurement.
    상세보기
  8. Dieter Keller DE, Device for measuring a fill level of a liquid in a container.
    상세보기
  9. Keller, Dieter, Device for measuring a fill level of a liquid in a container.
    상세보기
  10. Lienenkamp, Joerg, Device for measuring liquid filling levels.
    상세보기
  11. Knowles, Terrence J.; Truesdale, Brian J.; Albrecht, Kenneth A.; Kielian, Slawomir P., Discrete fluid level sensor and mount.
    상세보기
  12. Stein, Marc; Chase, Andrew, Hermetically sealed prosthetic component and method therefor.
    상세보기
  13. Greene David A. (San Jose CA) Greene Rosemary A. (San Jose CA) Gaubatz Donald C. (Cupertino CA), Integrated acoustic leak detection sensor subsystem.
    상세보기
  14. Stein, Marc; Ellis, Sr., James, Integrated sensor for medical applications.
    상세보기
  15. Stein, Marc; Roche, Martin, Kinetic assessment and alignment of the muscular-skeletal system and method therefor.
    상세보기
  16. Kuhlow, Kyle Rolf Walter; Longcor, Craig Lee, Level gauge with positive level verifier.
    상세보기
  17. Miyagawa,Isao; Yasuda,Atsushi, Liquid level detecting apparatus.
    상세보기
  18. Miyagawa,Isao; Yasuda,Atsushi, Liquid level detecting apparatus.
    상세보기
  19. Stein, Marc; Carrasco, Gabriel, Measurement device for the muscular-skeletal system having load distribution plates.
    상세보기
  20. Stein, Marc; Roche, Martin, Method of providing feedback to an orthopedic alignment system.
    상세보기
  21. Stein, Marc; Roche, Martin, Method to measure medial-lateral offset relative to a mechanical axis.
    상세보기
  22. Stein, Marc; Kim, Yoong-Joong; Cohen, Matthew J.; Liddell, Chelsea A., Muscular-skeletal joint stability detection and method therefor.
    상세보기
  23. Stein, Marc; Kim, Yoong-Joong; Cohen, Matthew J.; Liddell, Chelsea A., Muscular-skeletal joint stability detection and method therefor.
    상세보기
  24. Stein, Marc; Kim, Yoong-Joong; Cohen, Matthew J.; Liddell, Chelsea A., Muscular-skeletal joint stability detection and method therefor.
    상세보기
  25. Stein, Marc; Vaughn, Glen, Muscular-skeletal tracking system and method.
    상세보기
  26. Velado, Nicholas F.; Velado, Fernando A., Nautic alert apparatus, system and method.
    상세보기
  27. Stein, Marc; Miller, Andrew P.; Chase, Andrew U.; Addink, Jason, Orthopedic insert measuring system having a sealed cavity.
    상세보기
  28. Stein, Marc; Roche, Martin, Orthopedic screw for measuring a parameter of the muscular-skeletal system.
    상세보기
  29. Stein, Marc; Chase, Andrew; Keggi, John; Bonnheim, Noah; Burkhard, Natalie; Henson, Philip, Prosthetic component for monitoring joint health.
    상세보기
  30. Stein, Marc; Chase, Andrew; Keggi, John; Bonnheim, Noah; Burkhard, Natalie; Henson, Philip, Prosthetic component for monitoring synovial fluid and method.
    상세보기
  31. Stein, Marc; Chase, Andrew, Prosthetic component having a compliant surface.
    상세보기
  32. Stein, Marc, Prosthetic knee joint measurement system including energy harvesting and method therefor.
    상세보기
  33. Stein, Marc, Prosthetic knee joint measurement system including energy harvesting and method therefor.
    상세보기
  34. Stein, Marc; Roche, Martin, Reference position tool for the muscular-skeletal system and method therefor.
    상세보기
  35. Stein, Marc; Chase, Andrew U., Sensored head for a measurement tool for the muscular-skeletal system.
    상세보기
  36. Stein, Marc; Chase, Andrew; Keggi, John; Bonnheim, Noah; Burkhard, Natalie; Henson, Philip, Sensored prosthetic component and method.
    상세보기
  37. Stein, Marc; Chase, Andrew, Shielded capacitor sensor system for medical applications and method.
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  38. Stein, Marc; Chase, Andrew, Shielded capacitor sensor system for medical applications and method.
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  39. Stein, Marc; Chase, Andrew, Small form factor medical sensor structure and method therefor.
    상세보기
  40. Stein, Marc; Miller, Andrew; Addink, Jason; Chase, Andrew U., Small form factor muscular-skeletal parameter measurement system.
    상세보기
  41. Stein, Marc; Roche, Martin, System and method for assessing, measuring, and correcting an anterior-posterior bone cut.
    상세보기
  42. Stein, Marc; Roche, Martin, System and method for measuring muscular-skeletal alignment to a mechanical axis.
    상세보기
  43. Stein, Marc; Roche, Martin, System and method for measuring slope or tilt of a bone cut on the muscular-skeletal system.
    상세보기
  44. Roche, Martin; Boillot, Marc; Stein, Marc, System and method for vertebral load and location sensing.
    상세보기
  45. Stein, Marc; Roche, Martin, System and method to change a contact point of the muscular-skeletal system.
    상세보기
  46. Stein, Marc; Roche, Martin, System for surgical information and feedback display.
    상세보기
  47. Goodson, J. Michael, Ultrasonic air blanket reflector.
    상세보기
  48. Austerlitz,Howard; Hewitt,Martin, Ultrasonic fluid level sensor.
    상세보기
  49. Birtcher, Charles Michael; Steidl, Thomas Andrew, Ultrasonic liquid level sensing systems.
    상세보기
  50. Birtcher, Charles Michael; Steidl, Thomas Andrew, Ultrasonic liquid level sensing systems.
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  51. Cheng, Andrew A.; Gu, James J.; Branzell, John E., Ultrasonic water level gauge and control device.
    상세보기
  52. Griffith, Gregory A., Water heater support.
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