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Method and apparatus for measuring and controlling volumetric flow rate of gases in a line

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01F-001/34
출원번호 US-0100918 (1979-12-06)
발명자 / 주소
  • Kennedy Lyn R. (Dallas TX)
출원인 / 주소
  • Precision Machine Products, Inc. (Dallas TX 02)
인용정보 피인용 횟수 : 61  인용 특허 : 1

초록

Disclosed is a method and apparatus for measuring and controlling volumetric flow rate of gases. The apparatus includes a measurement chamber of fixed volume in a flow line, a controllable inlet valve upstream from the chamber, and flow regulator means for establishing constant flow output downstrea

대표청구항

A method for determining the volumetric flow rate of gas flowing in a line comprising: imposing uniformity of flow rate on said gas at a downstream point in said line; temporarily restricting gas flow in said line at a point upstream from said downstream point; and measuring the rate of pressure fal

이 특허에 인용된 특허 (1)

  1. Martig ; Jr. ; Kenneth W., Flow measurement.

이 특허를 인용한 특허 (61)

  1. Shajii, Ali; Kottenstette, Nicholas; Ambrosina, Jesse, Apparatus and method for pressure fluctuation insensitive mass flow control.
  2. Shajii, Ali; Kottenstette, Nicholas; Ambrosina, Jesse, Apparatus and method for pressure fluctuation insensitive mass flow control.
  3. Shajii, Ali; Kottenstette, Nicholas; Ambrosina, Jesse, Apparatus and method for pressure fluctuation insensitive mass flow control.
  4. Shajii, Ali; Kottenstette, Nicholas; Ambrosina, Jesse; Smith, Donald K.; Clark, William R., Apparatus and method for pressure fluctuation insensitive mass flow control.
  5. Shajii, Ali; Kottenstette, Nicholas; Ambrosnia, Jesse, Apparatus and method for pressure fluctuation insensitive mass flow control.
  6. Shajii,Ali; Kottenstette,Nicholas; Ambrosina,Jesse, Apparatus and method for pressure fluctuation insensitive mass flow control.
  7. McGuire Mickey Richard ; Matthews Lon Howard ; Hillstrom Keith Allen, Apparatus and method for testing standpipe flow.
  8. Akai Tadao (Kitajima JPX) Shibata Masato (Kitajima JPX) Nishino Hiromichi (Kitajima JPX), Apparatus for determining rate of discharge from nozzle for spraying aqueous solution of hydrogen peroxide.
  9. Ott, Douglas E.; Gray, Robert I.; Lloyd, Duane, Charged hydrator.
  10. Schmitt Josef (Dnischhagen DEX), Device for determining the timely delivery of compressed gas from compressed-gas containers.
  11. Wilmer Michael E., Dynamic gas flow controller.
  12. Milanes Garcia-Moreno, Fernando, Electronic method and system for instant creation and storage of consumption histograms in drinkable water tapping points.
  13. Louis A. Ollivier, Flow control of process gas in semiconductor manufacturing.
  14. Louis A. Ollivier, Flow control of process gas in semiconductor manufacturing.
  15. John S. Titus, Fluid metering apparatus and method.
  16. Titus John S., Fluid metering method.
  17. Shimizu Naohito,JPX ; Akiyama Shigeyuki,JPX ; Fujiwara Masahiko,JPX ; Inoue Satoshi,JPX ; Oida Takuji,JPX, Gas analyzing apparatus.
  18. Vander Heyden William H. ; Berg Ronald Arthur, Measuring heating value of a gas using flameless combustion.
  19. Vander Heyden William H. ; Berg Ronald Arthur, Measuring heating value using catalytic combustion.
  20. Vander Heyden William H. ; Berg Ronald Arthur, Measuring heating value using catalytic combustion.
  21. Packer Louis L. (Enfield CT) Kuntz Urban E. (Hartford CT), Method and apparatus for accurate determination of powder content in flowing gas stream.
  22. Laragione Robert ; LeMay Dan B. ; Redemann Eric J. ; Upchurch Michael D., Method and apparatus for determining a rate of flow of gas by a rate of change of pressure.
  23. Jones Donald R. A. (7219 Sorensen Ave. Whittier CA 90606), Method and apparatus for determining the density of a gas.
  24. Chung, Sherk; Chalmers, James MacAllen; Chen, Jialing; Wang, Yi; Tran, Paul; Shtilman, Sophia Leonidovna; Monkowski, Joseph R., Method and apparatus for enhancing in-situ gas flow measurement performance.
  25. Chung, Sherk; Chalmers, James MacAllen; Chen, Jialing; Wang, Yi; Tran, Paul; Shtilman, Sophia Leonidovna; Monkowski, Joseph R., Method and apparatus for enhancing in-situ gas flow measurement performance.
  26. Chung, Sherk; Chalmers, James MacAllen; Chen, Jialing; Wang, Yi; Tran, Paul; Shtilman, Sophia Leonidovna; Monkowski, Joseph R., Method and apparatus for enhancing in-situ gas flow measurement performance.
  27. Monkowski, Adam J.; Chen, Jialing; Ding, Tao; Monkowski, Joseph R., Method and apparatus for gas flow control.
  28. Monkowski, Adam J.; Chen, Jialing; Ding, Tao; Monkowski, Joseph R., Method and apparatus for gas flow control.
  29. Monkowski, Adam J.; Chen, Jialing; Ding, Tao; Monkowski, Joseph R., Method and apparatus for gas flow control.
  30. Mantell, Robert R.; Manzie, Peter A., Method and apparatus for humidification and warming of air.
  31. Mantell, Robert R.; Manzie, Peter A., Method and apparatus for humidification and warming of air.
  32. Mantell, Robert R.; Manzie, Peter A., Method and apparatus for humidification and warming of air.
  33. Mantell, Robert R.; Manzie, Peter A., Method and apparatus for humidification and warming of air.
  34. Mantell, Robert R.; Manzie, Peter A., Method and apparatus for humidification and warming of air.
  35. Mantell, Robert R.; Manzie, Peter A., Method and apparatus for humidification and warming of air.
  36. Monkowski, Joseph R.; Chen, Jialing; Ding, Tao; Chalmers, James MacAllen, Method and apparatus for in situ testing of gas flow controllers.
  37. Monkowski, Joseph R.; Chen, Jialing; Ding, Tao; Chalmers, James MacAllen, Method and apparatus for in situ testing of gas flow controllers.
  38. Monkowski, Joseph R.; Chen, Jialing; Ding, Tao; Chalmers, James MacAllen, Method and apparatus for in situ testing of gas flow controllers.
  39. Monkowski, Joseph R.; Chen, Jialing; Ding, Tao; MacAllen Chalmers, James, Method and apparatus for in situ testing of gas flow controllers.
  40. Carter Garry L. (Racine WI), Method and apparatus for measuring dynamic fluid flow rate.
  41. Vander Heyden William H. (Mequon WI) Clingman ; Jr. ; deceased William H. (late of Dallas TX by Mary Jane Wheeler Clingman ; legal representative ), Method and apparatus for measuring ratio of mass flow rates and energy flow in a gas pipeline.
  42. Kennedy Lyn R. (Dallas TX), Method and apparatus for measuring the relative density of gases.
  43. Tison,Stuart A.; Sukumaran,Sandeep; Barker,James, Method and system for flow measurement and validation of a mass flow controller.
  44. Tison,Stuart A.; Sukumaran,Sandeep; Barker,James, Method and system for flow measurement and validation of a mass flow controller.
  45. Brown Timothy R., Method for wide range gas flow system with real time flow measurement and correction.
  46. Arcara Samuel A. (Doylestown PA), Method of measuring specific gravity and apparatus utilizing the same.
  47. Clingman ; Jr. William H. (4416 McFarlin University Park TX 75205) Kennedy Lyn R. (2705 Whitewood Dallas TX 75233), Method of taking a proportional sample of flowing gas in a line.
  48. Bersin Richard L. (Norwalk CT) Clouser William H. (Norwalk CT), Molar gas-flow controller.
  49. Eric W. Starr ; Michael T. Kane ; Eugene N. Scarberry, Patient monitor and method of using same.
  50. Starr Eric W. ; Kane Michael T. ; Scarberry Eugene N., Patient monitor and method of using same.
  51. Starr, Eric W.; Kane, Michael T.; Scarberry, Eugene N., Patient monitor and method of using same.
  52. Starr, Eric W.; Kane, Michael T.; Scarberry, Eugene N., Patient monitor and method of using same.
  53. Zhang,Ruihong; Pan,Zhongli, Precision gas flow meter.
  54. Fox,Richard B.; Gadberry,Richard B., Pressure reduction apparatus and method.
  55. Horwitz, Christopher Max, Pressure-based gas flow controller with dynamic self-calibration.
  56. North ; Jr. Howard L. (Los Gatos CA), Sheathed particle flow controlled by differential pressure.
  57. Sivasubramanian, Arvind; Gallmeyer, Christopher; Turlapati, Venkat Vijay Kishore; Zook, Brett; Rasmussen, Jason, System and method for determining the specific gravity of a gaseous fuel.
  58. Tison,Stuart A.; Lu,Shiliang, System and method for measuring flow.
  59. Valentine, Bill; Ellec, Chris; Banares, Berwin; Lull, John; Kehoe, Anthony, System and method for providing a self validating mass flow controller or a mass flow meter utilizing a software protocol.
  60. Monkowski, Joseph R.; Monkowski, Adam J.; Chen, Jialing; Ding, Tao, Transient measurements of mass flow controllers.
  61. Brown Timothy R. ; Judd Daniel R., Wide range gas flow system with real time flow measurement and correction.
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