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Method and apparatus for determining particle size distribution and concentration in a suspension using ultrasonics 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01N-015/02
출원번호 US-0436153 (1989-11-13)
발명자 / 주소
  • Alba Felix (Murray UT)
출원인 / 주소
  • E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보 피인용 횟수 : 46  인용 특허 : 0

초록

The present invention relates to method and apparatus for determining the size distribution and concentration of particles in suspensions, emulsions or aerosols utilizing ultrasonic excitation. The invention is applicable over a wide range of particle sizes (0.01 to 1,000 microns) and concentrations

대표청구항

A method of determining the size distribution and concentration of particles in a suspension of particles in a suspending medium, comprising the steps of: directing ultrasonic waves through said suspension at selected discrete frequencies over a selected frequency range; measuring the attenuation of

이 특허를 인용한 특허 (46)

  1. Liljenberg, Thomas; Backa, Stevan; Thegel, Lennart; Åbom, Mats, Active acoustic method for predicting properties of process fluids comprising solid particles or gas/liquid volumes based on their size distribution and concentration.
  2. Hafenrichter, Joseph L.; Georgeson, Gary E.; Tapia, William Joseph; Fogarty, Michael D., Apparatus for automated non-destructive inspection of airfoil-shaped bodies.
  3. Povey, Malcolm J. W.; Tong, Jie; Nelson, Phillip V.; Jones, Gregory M., Apparatus for determining particle size.
  4. Kwan, Nam Won; Kim, In Soo; Kim, Jin Woo; Park, Jong Seop, Clamp-on-type ultrasonic concentration metering system and method.
  5. Bechtel, Siegfried; Kielhorn-Bayer, Sabine; Mathauer, Klemens, Determining production parameters of scale flow device.
  6. Sowerby Brian David,AUX ; Coghill Peter John,AUX, Determining the size distribution of particles in a fluid.
  7. Dosramos, J. Gabriel; Reed, Robert W.; Oja, Tonis; Boulet, Gary, Device for use in determining characteristics of particles dispersed in a medium, and method therefor.
  8. DosRamos, J. Gabriel, Device for use in industrial process on-line determination of particle size distribution, and methods of use.
  9. Huabei Jiang, Enhanced photon-migration methods for particle sizing in concentrated suspensions.
  10. Alba,Felix, Fundamental method and its hardware implementation for the generic prediction and analysis of multiple scattering of waves in particulate composites.
  11. Hull, Andrew J., Inverse method to calculate material properties using a non-resonant technique.
  12. Hull, Andrew J., Inverse method to calculate material properties using an insertion loss test.
  13. Jones Gregory M.,GBX ; Povey Malcolm J. W.,GBX ; Campbell John,GBX, Measurement and control of asphaltene agglomeration in hydrocarbon Liquids.
  14. Wroblewski, Tomasz; Reinås, Lorents; Omland, Tor Henry; Mjølhus, Stian, Measuring settling in fluid mixtures.
  15. Povey, Malcolm J. W.; Tong, Jie; Nelson, Phillip V.; Jones, Gregory M., Method and apparatus for determining particle size distribution by acoustic speckle.
  16. Povey, Malcolm J. W.; Tong, Jie; Nelson, Phillip V.; Jones, Gregory M., Method and apparatus for measuring concentration using acoustic speckle.
  17. Scott,David Mark, Method and apparatus for ultrasonic sizing of particles in suspensions.
  18. Scott,David Mark, Method and apparatus for ultrasonic sizing of particles in suspensions.
  19. Muller, Jean; Le Brun, Pierre; Odievre, Thierry, Method and device for counting inclusions in a liquid metal bath with ultrasounds.
  20. Andrei Dukhin ; Philip J. Goetz, Method and device for determining particle size distribution and zeta potential in concentrated dispersions.
  21. Faber Gerard,NLX ; Vos Hugo Cornelis Lucas,NLX ; De Kroon Mathilde Gertrudis Maria,NLX, Method and equipment for the characterization of suspensions.
  22. Hodosawa Yoshihito,JPX ; Nagano Hideo,JPX ; Saito Hirokazu,JPX, Method and system for controlling microcapsule particle diameters.
  23. Kruger,Silvio E.; Lamouche,Guy; L��vesque,Daniel; Monchalin,Jean Pierre, Method and system for determining material properties using ultrasonic attenuation.
  24. Patch, Sarah K., Method and system of thermoacoustic computed tomography.
  25. Povey, Malcolm J. W.; Tong, Jie; Nelson, Phillip V; Jones, Gregory M., Method for determining particle size.
  26. Conrads Hans Georg,DEX ; Klupsch Volkhard,DEX, Method of determining the flow rate of solid or liquid material in a gaseous medium of a two-phase flow.
  27. Riebel, Ulrich; Kraeuter, Udo, Method of measuring particle sizes.
  28. Ritzer, Alfons; Zollner, Werner, Method to determine the concentration of toner particles for a liquid developer system.
  29. Kopp, Christian, Method to determine the mass concentration of particles in a dispersion including particles and fluid.
  30. Chamberlin, Danielle R.; Trutna, Jr., William R.; Liu, Maozi, Methods and systems for computing a particle size distribution of small particles in a process.
  31. Chamberlin, Danielle R.; Trutna, Jr., William R.; Liu, Maozi, Methods and systems for computing a size distribution of small particles.
  32. Holland, William David, Methods of monitoring a marking liquid, apparatuses for monitoring a marking liquid, and image transfer devices.
  33. Ruffa, Anthony A., Particle characterization via doppler distribution.
  34. Malcolm J. W. Povey GB; Jie Tong CN; Phillip V. Nelson GB; Gregory M. Jones GB, Particle measurement by acoustic speckle.
  35. O\Brien Richard W. (Turramurra AUX), Particle size and charge measurement in multi-component colloids.
  36. Dukhin Andrei ; Goetz Philip, Particle size distribution and zeta potential using acoustic and electroacoustic spectroscopy.
  37. Carasso Melanie ; Patel Sanjay ; Valdes Jorge Luis ; White Christopher Alan, Process for determining characteristics of suspended particles.
  38. Panetta,Paul D.; Pappas,Richard A.; Tucker,Brian J., Process monitoring and particle characterization with ultrasonic backscattering.
  39. Jansen, Rik; Volker, Arno Willem Frederik; Van Capel, Peter, Separation of liquid components from a mixture.
  40. Greenwood,Margaret S.; Panetta,Paul D.; Bamberger,Judith A.; Pappas,Richard A., System and technique for ultrasonic characterization of settling suspensions.
  41. Panetta, Paul D., Ultrasonic characterization of solid liquid suspensions.
  42. Smith, Oliver; Sutton, Michael R., Ultrasonic measurement.
  43. Prakash, Anand; Shukla, Abhishek; Rohani, Sohrab, Ultrasonic method of monitoring particle size distribution of a medium.
  44. Cobb,Wesley N., Ultrasonic monitor of material composition and particle size.
  45. Lin, Yaoying; Kissling, Beat; Drahm, Wolfgang; Frohlich, Thomas, Ultrasonic particle measuring system.
  46. Norisuye, Tomohisa, Ultrasonic particle size measurement device and ultrasonic measurement device.
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