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Single or multi-ply filter medium for air filtration and a filter element made therefrom 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B03C-003/011
출원번호 US-0559258 (2000-04-27)
우선권정보 DE9920983 (1999-05-06)
발명자 / 주소
  • Strauss Andreas,DEX
출원인 / 주소
  • FiberMark Gessner GmbH Co., DEX
대리인 / 주소
    Nixon & Vandehye
인용정보 피인용 횟수 : 38  인용 특허 : 11

초록

A dual- or multi-layer filter medium for air filtration, having at least one meltblown layer (2, 2a and 5) at least one meltblown layer (2 and 2a) is placed on the inlet side of the filter medium. The meltblown layer has a pore size larger than that of the next following layer or layers.

대표청구항

[ What is claimed is:] [1.]1. A dual- or multi-layer filter medium for air filtration, which comprises at least one meltblown layer located on an inlet side of the filter medium and having a pore size larger than that of the following layer or layers, wherein the meltblown layer has a pore size of m

이 특허에 인용된 특허 (11)

  1. Schultink Bas,BEX ; Schultink Jan,BEX, Enhanced performance vacuum cleaner bag and method of operation.
  2. Kim Bang M. (Schenectady NY) Woodmansee Donald E. (Schenectady NY), Expanded fiber composite structure having a cylindrical shape and useful as a filter.
  3. Sundet Douglas C. (St. Paul MN) Fox Albert H. (St. Paul MN), Filtration media comprising non-charged meltblown fibers and electrically charged staple fibers.
  4. Spicer Barry (Northants GB2) Wills Joseph T. (Northampton GB2), Foam plastic air filter.
  5. Stemmer Michael J., Forced air system air filter.
  6. Rutkowski Timothy C., Frameless electrostatic air filter with internal support grill.
  7. Rosen Richard M. (5730 NW. 60th Pl. Parkland FL 33067), Gasketed multi-media air cleaner.
  8. Nelson David L. (Zundert NLX), Scrim inserted electrostatic fibrous filter web.
  9. George Nelson A. (North East MD) Sutsko Michael G. (Glen Mills PA) McKenna Douglas B. (Dover DE), ULPA filter.
  10. Schultink Bas,BEX ; Schultink Jan,BEX, Vacuum cleaner bag construction and method of operation.
  11. White Alec W. (Hoffman Estates IL), Water barrier formed from a clay-fiber mat.

이 특허를 인용한 특허 (38)

  1. Jung, Anke; Seeberger, Andreas, Air filter medium combining two mechanisms of action.
  2. Chi, Cheng-Hang; Lim, Hyun Sung; Zhang, Lu, Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment.
  3. Smith, Guillermo Alberto; Parikh, Chirag D.; Ng, Kwok-Lam; Zoch, Roger L.; Alonzo, Jim L.; Schwandt, Brian W.; Schelkopf, J. Bruce; Verdegan, Barry M.; Schmitz, Kelly R., Authorized filter servicing and replacement.
  4. Ball, David Matthew; Crabtree, LaMonte A., Box filter with orientation device.
  5. Graham,Kristine M.; Grafe,Timothy H.; Gogins,Mark A., Cleanable high efficiency filter media structure and applications for use.
  6. Crabtree, LaMonte A.; Chesson, Jr., Richard Keith; Geil, Jr., Ronald Jay; Sinclair, Jeffrey A., Collapsible and/or assembled filter housing and filter used therewith.
  7. Crabtree, LaMonte A.; Chesson, Jr., Richard Keith; Geil, Jr., Ronald Jay; Sinclair, Jeffrey A., Collapsible and/or assembled filter housing and filter used therewith.
  8. Tanaka, Seiichi; Yokoyama, Kazutaka; Koura, Hiroto; Okada, Tsumoru; Mizuta, Shinsuke, Filter element.
  9. Kirsch,Mark T., Filter elements having injection molded thermoplastic seals and methods of making same.
  10. Crabtree, LaMonte A.; Chesson, Jr., Richard Keith; Geil, Jr., Ronald Jay; Sinclair, Jeffrey A., Filter frame housing and filter for animal confinement building.
  11. Anantharamaiah, Nagendra; Jaganathan, Sudhakar; Gadbois, Gerald; Silin, Maxim; Gallimore, Mark A., Filter media including a filtration layer comprising synthetic fibers.
  12. Wertz, John A.; Guimond, Douglas M., Filter media with a multi-layer structure.
  13. Crabtree, LaMonte A., Filter system using plastic frames along structural wall of animal confinement building.
  14. Chu, Benjamin; Hsiao, Benjamin S.; Ma, Hongyang, High flux high efficiency nanofiber membranes and methods of production thereof.
  15. Jaroszczyk,Tadeusz; Fallon,Stephen L.; Pardue,Byron A.; Schmitz,Kelly R.; Dorgan,Jason E.; Sonsalla,Thomas P.; Moy,Jerald J.; Morgan,Jeffrey S.; Kallsen,Kent J., High performance, high efficiency filter.
  16. Ohno, Katsuhiro; Nakajima, Fumio; Niinuma, Hitoshi, High-performance filter for intake air for gas turbine, and filter unit using such filter for intake air for gas turbine.
  17. Janikowski, Eric A.; Verdegan, Barry M.; Moy, Jerald J.; Bodasiński, Jacek; Rumiński, Witalis; Gradoń, Leon; Jaroszczyk, Tadeusz; Muse, Robert E.; Rice, Melvin, Method and apparatus for making filter element, including multi-characteristic filter element.
  18. Koslow, Evan E., Nanofiber filter media.
  19. Ball, David Matthew; Crabtree, LaMonte A., Non V-bank filter for animal confinement facility.
  20. Palmer, David L., Panel air filter with gasket of non-woven felt.
  21. Hutchison,Christopher D.; Lee,Brian T., Pleated filter element with offset emboss pattern.
  22. Tate,Jason LaMarr; Covington,Edward Allen; Lanier, Jr.,Roland Vann, Pleated filter media with embossed spacers and cross flow.
  23. Rego, Eric J.; Schwandt, Brian W.; Janikowski, Eric A.; Verdegan, Barry M.; Ng, Kwok-Lam, Reduced pressure drop coalescer.
  24. Kozlov, Mikhail; Moya, Wilson; Tkacik, Gabriel, Removal of microorganisms from fluid samples using nanofiber filtration media.
  25. Kozlov, Mikhail; Moya, Wilson; Tkacik, Gabriel, Removal of microorganisms from fluid samples using nanofiber filtration media.
  26. Kozlov, Mikhail; Moya, Wilson; Tkacik, Gabriel, Removal of microorganisms from fluid samples using nanofiber filtration media.
  27. Schwandt, Brian W.; Verdegan, Barry M.; Zoch, Roger L.; Fedorowicz, Jeffrey A.; Badeau, Kurt M. A.; Muse, Robert E.; Herman, Peter K., Space optimized coalescer.
  28. Parikh, Chirag D.; Ng, Kwok-Lam; Zoch, Roger L.; Alonzo, Jim L.; Smith, Guillermo Alberto; Schwandt, Brian W.; Rego, Eric J.; Schelkopf, J. Bruce; Verdegan, Barry M.; Schmitz, Kelly R., Space-effective filter element.
  29. Crabtree, LaMonte A.; Chesson, Jr., Richard K.; Geil, Jr., Ronald J., V-bank air filtration system such as for animal confinement.
  30. Crabtree, LaMonte A.; Geil, Jr., Ronald Jay; Chesson, Jr., Richard Keith; Sinclair, Jeffrey A., V-bank air filtration system such as for animal confinement.
  31. Schwandt, Brian W.; Holm, Christopher E.; Jaroszczyk, Tadeusz; Janikowski, Eric A.; Ng, Kwok-Lam; Verdegan, Barry M.; Zoch, Roger L.; Gradoń, Leon; Bodasiński, Jacek; Rumiński, Witalis; Haberkamp, William C., Variable coalescer.
  32. Healey, David T., Waved filter media and elements.
  33. Healey, David T.; Gahan, Richard, Waved filter media and elements.
  34. Healey, David T.; Gahan, Richard, Waved filter media and elements.
  35. Healey, David T.; Gahan, Richard, Waved filter media and elements.
  36. Healey, David T.; Gahan, Richard E., Waved filter media and elements.
  37. Healey, David Thomas; Gahan, Richard E., Waved filter media and elements.
  38. Healey, David Thomas; Gahan, Richard E., Waved filter media and elements.
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