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Method for filtering ultrasonic noise within a fluid flow system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-007/02
  • F01N-007/00
  • F01N-001/12
  • F01N-001/08
  • F01N-001/10
출원번호 US-0179157 (2005-07-12)
등록번호 US-7303048 (2007-12-04)
발명자 / 주소
  • Gallagher,James E.
  • Saunders,Michael P.
출원인 / 주소
  • Savant Measurement Corporation
대리인 / 주소
    Strasburger & Price, LLP
인용정보 피인용 횟수 : 6  인용 특허 : 64

초록

A method is employed to attenuate ultrasonic noise propagating in a flow stream of a fluid flow system. In particular, the method attenuates the noise propagating between a noise source and a reference point in the flow stream (wherein the reference point and the noise source are positioned in the f

대표청구항

What is claimed is: 1. A method of attenuating ultrasonic acoustic noise in a fluid flow system between a noise source and a reference point, wherein noise generated by the noise source propagates between the noise source and the reference point through a fluid flow path defined therethrough, said

이 특허에 인용된 특허 (64)

  1. Cooksey ; James M., Apparatus and method for reducing flow disturbances in a flowing stream of compressible fluid.
  2. Bokor Ken,CAX, Blower noise silencer.
  3. Van Cleve Craig Brainerd ; Loving Roger Scott, Bypass type coriolis effect flowmeter.
  4. Bitsakis Nicholas (Portsmouth RI) Cassidy James (Wakefield RI), Cascade orificial resistive device.
  5. Kostun John D. (Brighton MI), Compact engine air/cleaner with integrated components.
  6. Phillips William A. (Delta CAX), Conical ultrasound waveguide.
  7. Perry ; Jr. Marney Dunman ; von Phul Stephen A. ; Glover Nolan ; Bradford H. C. ; Roberts Floyd, Coreless and spirally wound non-woven filter element.
  8. Bellinga Hendrik (Roden NLX), Device for improving the flow profile in a gas line.
  9. Bednar Fred H. (Pittsburgh PA), Diagnostic system responsive to learned audio signatures.
  10. Harris Theodore R. (14 El Patio Orinda CA 94563) Harris Richard T. (1040 Brown Ave. Lafayette CA 94549), Engine exhaust muffler.
  11. Harris Theodore R. (14 El Patio Orinda CA 94563) Harris Richard T. (3127 Stanley Boulevard Lafayette CA 94549), Engine exhaust muffler.
  12. Kashiwara Teruo (Osaka JA) Ichimaru Hiroshi (Osaka JA), Exhaust apparatus for internal combustion engine.
  13. Laws Elizabeth M. (Salford GB2), Flow conditioner.
  14. Gallagher James E. (Kingwood TX) Beaty Ronald E. (Katy TX) Lanasa Paul J. (Houston TX), Flow conditioner for more accurate measurement of fluid flow.
  15. Gallagher James E. (Kingwood TX) Beaty Ronald E. (Katy TX) Lanasa Paul J. (Houston TX), Flow conditioner profile plate for more accurate measurement of fluid flow.
  16. Wirt Leslie S. (Newhall CA), Flow duct sound attenuator.
  17. Meheen,David, Flow laminarizing device.
  18. Kberle Karl (Panoramastrasse 14 D-7980 Ravensburg 19 DEX), Flow measuring system including a venturi.
  19. Halmi Dezsoe (Cranston RI), Flow metering device with recessed pressure taps.
  20. Old Charles F. (Wantage GB2) Scruby Christopher B. (Botley GB2), Flow monitoring.
  21. Andrew Stephen Diston GB; Christopher James Newton Fryer GB; Andreas Kammerahl DE, Flowmeter for attenuating acoustic propagations.
  22. Wyler John S. (W. Chester PA), Fluid flow measurement system for pipes.
  23. Kobayashi Hiroshi (Yokosuka JPX) Kita Toru (Yokohama JPX) Fujishiro Takeshi (Yokosuka JPX), Fluid measuring device.
  24. Ramirez-Rivera, Pablo Alvaro, Fluid multieconomizer device.
  25. De Baun Kenneth W. (Santa Rosa CA), Fluid velocity equalizing apparatus.
  26. Wusterbarth Michael A. ; Noyes Steven ; Greer Joe Russell, Gas flow rate measurement apparatus and method.
  27. Stuart John W. (Lafayette CA), Gradational tube bundle flow conditioner for providing a natural flow profile to facilitate accurate orifice metering in.
  28. Hunt Andrew (Royston GB2) Bradbury Leslie (Noss Mayo GB2), Homogenizing and metering the flow of a multiphase mixture of fluids.
  29. Lambert John E. (Dublin OH) Bedross George M. (Southfield MI), Ignition timing control.
  30. Harris Theodore R. (14 El Patio Orinda CA 94563) Harris Richard T. (3127 Stanley Blvd. Lafayette CA 94549), Large, high r.p.m. diesel engine exhaust muffler.
  31. Byrne, Thomas E., Meter tube insert and adapter ring.
  32. Wedding James B. (2128 Sandstone Dr. Ft. Collins CO 80524), Method and apparatus for controlling flow volume through an aerosol sampler.
  33. Gallagher, James E., Method and apparatus for determining flow velocity in a channel.
  34. Drenthen Jan G. (Mijnsheerenland NLX), Method and device for determining characteristics of the flow of a medium.
  35. James E. Gallagher, Method for determining flow velocity in a channel.
  36. Gall Adam F. (Charleston WV) McJunkin ; Jr. Howard P. (Charleston WV), Method for fabricating an orifice fitting for a gas pressure differential-measuring system.
  37. Kojima Hisao (3-53-21 ; Shioiri-Cho ; Tsurumi-ku Yokohama-Shi ; Kanagawa-ken JPX), Mixing element with a tapered porous body.
  38. Head Victor P. (Hatboro PA), Multiple velocity traverse flow rate measuring technique.
  39. Calciolari Leonelo A. (Sao Paulo BRX), Noise damper for hermetic compressors.
  40. Zanker, Klaus Joachim, Noise silencer and method for use with an ultrasonic meter.
  41. Toth Dennis W. (Pontiac MI), Noise suppressor for turbo-compressor.
  42. Linton Lloyd H. (Montgomery TX) Richter Lester W. (Kingwood TX), Orifice metering apparatus and method of fabricating same.
  43. Evans Richard B. (Tulsa OK), Orifice plate holder.
  44. Wilcox Paul L. (Haugesund NOX), Pipe rectifier for stabilizing fluid flow.
  45. Army ; Jr. Donald E. (Springfield MA) Donnelly Brian G. (Suffield CT) Nikkanen John P. (West Hartford CT), Pressure regulation valve with integrated downstream pressure tap.
  46. Sawchuk,Blaine Darren; Sawchuk,Dale Peter, Silencer for perforated plate flow conditioner.
  47. Hani August (Turgi CHX) Horler Hansulrich (Zurich CHX) Ursprung Hans (Turgi CHX), Silencer on the intake side of a compressor with assembly of axially spaced annular sound-damping elements.
  48. Hall Kenneth R. (College Station TX) Morrison Gerald L. (College Station TX) Holste James C. (Bryan TX), Slotted orifice flowmeter.
  49. Hall Kenneth R. (College Station TX) Morrison Gerald L. (College Station TX) Holste James C. (Bryan TX) ..AP: Texas A & M University System (College Station TX 02), Slotted orifice flowmeter.
  50. Hendriks Henry L. (La Puente CA), Small pipe flowmeter.
  51. Zacharias ; Jr. Ellis M. (Tulsa OK), Sonic flow meter having improved flow straighteners.
  52. Kojima Hisao (3-53-21 ; Shioiri-cho Tsurumi-ku ; Yokohama-shi JPX), Sound arresting device.
  53. DeVane Harry M. (1559 Pine St. Oxnard CA 93030), Sound attenuator.
  54. Jan Aart van Bckkum NL; Nico Roosnek NL, Sound damper for ultrasonic waves.
  55. Kiss Sandor (Budapest HUX) Nagy Zsolt (Budapest HUX), Sound-absorbing device, especially for damping of noises expanding in air ducts.
  56. Hatz Ernst (Ruhstorf DEX) Absenger Erich (Ruhstorf DEX), Sound-proofed internal combustion engine.
  57. Gallagher,James E.; Saunders,Michael P., System for filtering ultrasonic noise within a fluid flow system.
  58. Yu Chuen-Huan (26 Alley 7 ; Lane 100 Tun Hua S. Road Taipei TWX), Turbo jet muffler.
  59. Husse ; Massimo, Ultrasonic device for the determination of the rate of air flow in the inlet duct of an internal combustion engine.
  60. O\Hair John G. (London GB2) Nolan Michael E. (London GB2), Ultrasonic flowmeter.
  61. Herzl Peter J. (Morrisville PA) Augustine Robert J. (Horsham PA), Ultrasonic flowmeter for clean and dirty fluids.
  62. Horner Michael S. (Davis CA) Brisken Axel F. (Shingle Springs CA) Zanelli Claudio I. (Fair Oaks CA), Ultrasonic transducer and attenuating material for use therein.
  63. Hall ; Leonard F. ; Noreen ; Robert A., Vent silencer.
  64. Wellman Donald C. (Marcellus NY), Venturi flow measuring device and method.

이 특허를 인용한 특허 (6)

  1. Gilliland, Don A.; Huettner, Cary M.; Zehrer, Matthew C., Air exhaust/inlet sound attenuation mechanism.
  2. Sawchuk, Daniel; Selirio, Reginald, Flow conditioner and method of designing same.
  3. Tillery, Steven William; Cook, Jason Nathaniel, Gas turbine fuel flow measurement using inert gas.
  4. Gallagher, James E.; Gallagher, Michael D., Multiple material piping component.
  5. Sawchuk, Daniel A.; Selirio, Reginald, Reflector for fluid measurement system.
  6. Robinson,Bruce Locke, Storm water flow restriction method and apparatus.
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