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Gas concentration and/or flow sensor 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-029/18
출원번호 US-0975616 (1992-11-12)
발명자 / 주소
  • Frola Frank R. (Trafford PA) Gibboney Dennis (Mt. Pleasant PA) Bauer Paul (Brentwood PA)
출원인 / 주소
  • DeVilbiss Health Care, Inc. (Somerset PA 02)
인용정보 피인용 횟수 : 35  인용 특허 : 0

초록

A gas concentration and/or bulk flow rate sensor suitable for measuring the oxygen concentration and the bulk flow rate of gas delivered to a patient for medical purposes. Two piezoelectric transducers mounted on a printed circuit board are interconnected by an elongated coiled tube. The gas is flow

대표청구항

A sensor for determining at least one of the bulk flow rate of a gaseous medium and the content of a component of the gaseous medium comprising first and second piezoelectric transducers mounted a predetermined distance apart, said transducers having a predetermined high resonant frequency, a tube e

이 특허를 인용한 특허 (35)

  1. Cadet Gardy (Orange NJ) Valdes Jorge L. (Bedminster NJ), Acoustic analysis of gas mixtures.
  2. Cardelius,Erik; Skoglund,Lars, Acoustic analysis of gas mixtures.
  3. Wallen Lars,SEX, Acoustic flow meter wherein false readings are identified dependent on upstream and downstream acoustic transit times.
  4. Cardelius, Erik; Skoglund, Lars, Acoustic gas meter with a temperature probe having an elongated sensor region.
  5. Wajid Abdul ; Hurd Clarence ; Hetzel Melvin C., Acoustic sensor for in-line continuous monitoring of gasses.
  6. Banda, Pedro; Campitelli, Andrew, Acoustic wave based sensor.
  7. Logue Raymond C. ; Sirota Don N. ; Lee Patrick S., Apparatus and methods for performing acoustical measurements.
  8. Van Brunt, Nicholas P.; Jagger, Theodore W.; Lonnes, Perry B.; Kivisto, John A., Apparatus for separating oxygen from ambient air.
  9. Van Brunt, Nicholas P.; Jagger, Theodore W.; Lonnes, Perry B.; Kivisto, John A., Apparatus for separating oxygen from ambient air.
  10. Michaels Gregory A. ; Birangi Homayoun ; Polaseck David D., Closed-loop feedback control for oxygen concentrator.
  11. Bierl, Rudolf; Lesser, Martin; Meyer, Andreas; Steuber, Frank, Device for determining a mass flow of a first gas within an overall mixture of gases.
  12. Ishikawa Hideki,JPX ; Sato Yoshikuni,JPX ; Banno Keigo,JPX ; Ishida Noboru,JPX ; Oshima Takafumi,JPX, Gas concentration sensor.
  13. Michaels Gregory A. ; Birangi Homayoun, Gas concentration sensor and control for oxygen concentrator utilizing gas concentration sensor.
  14. Bochenko, Walter John, Injection site information cap.
  15. Bochenko, Walter John, Injection site information cap.
  16. Bottom, Douglas K., Medical vaporizer and method of control of a medical vaporizer.
  17. Bottom, Douglas K., Medical vaporizer and method of monitoring of a medical vaporizer.
  18. Bottom, Douglas K., Medical vaporizer and method of monitoring of a medical vaporizer.
  19. Bochenko, Walter John, Medication and identification information transfer apparatus.
  20. Bochenko, Walter John; Prince, Stephen Michael; De Childers, Winthrop; Calabro, Joseph M.; Halliday, Wallace S.; Van Veen, Mark, Medication container encoding, verification, and identification.
  21. Bochenko, Walter John; Prince, Stephen Michael; Biagioli, Christopher, Medication dose preparation and transfer system.
  22. Thurston, Robert Richard; Hammond, Paul Stephen; Price, Barry Leonard, Method and apparatus for measuring the relative density of a gas.
  23. Van Brunt, Nicholas P.; Jagger, Theodore W.; Lonnes, Perry B.; Kivisto, John A., Method of separating and distributing oxygen.
  24. Fujimoto, Naotoshi, Oxygen concentrating apparatus.
  25. Maeda, Akihiro; Ando, Makoto, Oxygen concentrator.
  26. Prince, Stephen Michael; Bochenko, Walter John; De Childers, Winthrop, Selectively controlling fluid flow through a fluid pathway.
  27. McKinnon, Austin Jason; Gisler, Scott William; McNeill, Philip C.; Khurana, Rahul; Davidock, Drew; Graf, Robert Nicholas; Verma, Kaushal; Stacey, Gary; Rogers, Mark; Ridley, Mark; Stocks, David; Ward, Alistair; Scholan, Andrew; Marshall, Keith, Syringe labeling device.
  28. McKinnon, Austin Jason; Gisler, Scott William; McNeill, Philip C.; Khurana, Rahul; Davidock, Drew; Graf, Robert Nicholas; Verma, Kaushal; Stacey, Gary; Rogers, Mark; Ridley, Mark; Stocks, David; Ward, Alistair; Scholan, Andrew; Marshall, Keith, Syringe labeling device.
  29. Gisler, Scott William; McNeill, Philip C.; Verma, Kaushal, Tensioning control device.
  30. Gisler, Scott William; McNeill, Philip C.; Verma, Kaushal, Tensioning control device.
  31. Fujimoto, Naotoshi, Ultrasonic apparatus and method for measuring the concentration and flow rate of gas.
  32. Stern Michael (2505 Oakrill Rd. Marietta GA 30062), Ultrasonic binary gas measuring device.
  33. Gomm, Tyler J.; Kraft, Nancy C.; Phelps, Larry D.; Taylor, Steven C., Ultrasonic fluid quality sensor system.
  34. Tyler J. Gomm ; Nancy C. Kraft ; Larry D. Phelps ; Steven C. Taylor, Ultrasonic fluid quality sensor system.
  35. Wallen, Lars, Zero crossing detector and method of determining a zero crossing point.
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