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Filtration arrangement and method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-046/10
출원번호 US-0025893 (1993-03-03)
발명자 / 주소
  • Kahlbaugh Brad E. (Roseville MN) Reinhart Susan B. (Minneapolis MN) Dudrey Denis J. (Bloomington MN) Herman John T. (Dellwood MN)
출원인 / 주소
  • Donaldson Company, Inc. (Minneapolis MN 02)
인용정보 피인용 횟수 : 80  인용 특허 : 0

초록 ▼

Constructions and methods are described for collecting particulate material from gas streams. In one specifically described arrangement, a region of uniform or constant density depth media is oriented upstream of a region of gradient density depth media. In another, a preferred region of gradient de

대표청구항 ▼

A filter construction comprising: (a) an upstream region of substantially constant density depth media constructed and arranged for collection therein of at least 65% by weight of total solids loaded on said filter construction, in use; and, (b) a downstream region of gradient density depth media; (

이 특허를 인용한 특허 (80)

  1. Israel, Joseph; Dunn, Eugene; Dema, Keh B.; Kojetin, Paul; Rogers, Robert M.; Keating-Klika, Lorraine, Aerosol separator.
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  4. Gogins, Mark A.; Weik, Thomas M., Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream.
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  9. Gillingham, Gary R.; Gogins, Mark A.; Weik, Thomas M., Air filtration arrangements having fluted media constructions and methods.
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  14. Holch Hans-Werner,DEX, Device for separating liquid particles from a gas stream.
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  22. Rogers, Robert M.; Dema, Keh B., Filter medium and breather filter structure.
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  25. Rogers, Robert M.; Dema, Keh B.; Kahlbaugh, Brad E.; Olson, Linda M.; Yang, Chuanfang; LaVallee, Gregory L.; Sporre, Timothy D.; Israel, Joe; Kojetin, Paul L.; Jones, Derek O.; Madden, Michael A., Filter medium and breather filter structure.
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  26. Webb, David M.; Carlson, David E.; Rogers, Robert M; Dema, Keh B., Filter medium and breather filter structure.
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  27. Rogers, Robert M.; Dema, Keh B., Filter medium and structure.
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  28. Nepsund Larry R. ; Abrahamson Kathleen A. ; Boeckermann Thomas A. ; Elfstrand James K., Filter sleeve.
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  29. Benson, James D.; Crofoot, Douglas G.; Gogins, Mark A.; Weik, Thomas M., Filter structure with two or more layers of fine fiber having extended useful service life.
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  30. Barry M. Verdegan ; Brian W. Schwandt ; Daniel R. Cady ; Gene A. Mullins ; W. Lee Currier, Filter with preferential fluid affinity.
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  32. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
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  33. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
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  34. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement.
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  35. Kahlbaugh Brad E. ; Reinhart Susan B. ; Dudrey Denis J. ; Herman John T., Filtration arrangement and method.
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  36. Barris, Marty A.; Gogins, Mark A.; Weik, Thomas M., Filtration arrangement utilizing pleated construction and method.
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  37. Barris,Marty A.; Gogins,Mark A.; Weik,Thomas M., Filtration arrangement utilizing pleated construction and method.
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  38. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Fine fiber media layer.
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  60. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
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  61. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
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  62. Chung,Hoo Y.; Hall,John R. B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
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  63. Chung,Hoo Y.; Hall,John R.B.; Gogins,Mark A.; Crofoot,Douglas G.; Weik,Thomas M., Polymer, polymer microfiber, polymer nanofiber and applications including filter structures.
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  64. Ferrer, Ismael; Cardinal, Richard S.; Kalayci, Veli, Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy.
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  66. Chung, Hoo Y.; Hall, John R. B.; Gogins, Mark A.; Crofoot, Douglas G.; Weik, Thomas M., Process if making fine fiber material.
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  70. Kalayci, Veli E.; Doyle, James; Jones, Derek O.; Babcock, Brian; Hebert, Michael J.; Johnson, Philip E.; Mehta, Ketan C., Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse.
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  71. Kalayci, Veli E.; Doyle, James; Jones, Derek O.; Babcock, Brian; Hebert, Mike J.; Johnson, Philip Edward; Mehta, Ketan C., Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse.
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  72. Kalayci, Veli E.; Doyle, James; Jones, Derek O.; Babcock, Brian; Hebert, Mike J.; Johnson, Philip Edward; Mehta, Ketan C., Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse.
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  73. Dallas, Andrew J.; Ding, Lefei; Joriman, Jon D.; Zastera, Dustin; Giertz, James R.; Kalayci, Veli; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  74. Dallas, Andrew J.; Ding, Lefei; Joriman, Jon D; Zastera, Dustin; Giertz, James R.; Kalayci, Veli E.; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  75. Dallas, Andrew J.; Ding, William Lefei; Joriman, Jon D.; Zastera, Dustin; Giertz, James R.; Kalayci, Veli E.; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  76. Dallas, Andrew J.; Ding, William Lefei; Joriman, Jon D.; Zastera, Dustin; Giertz, James R.; Kalayci, Veli E.; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  77. Dallas, Andrew J.; Ding, William Lefei; Joriman, Jon D.; Zastera, Dustin; Giertz, James R.; Kalayci, Veli E.; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  78. Dallas, Andrew J.; Ding, William Lefei; Joriman, Jon D.; Zastera, Dustin; Giertz, James R.; Kalayci, Veli E.; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  79. Dallas, Andrew J.; Ding, William Lefei; Joriman, Jon D.; Zastera, Dustin; Giertz, James R.; Kalayci, Veli; Chung, Hoo Y., Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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  80. Dallas, Andrew James; Ding, Lefei; Joriman, Jon Dennis; Zastera, Dustin; Giertz, James R.; Kalayci, Veli Engin, Web comprising fine fiber and reactive, adsorptive or absorptive particulate.
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