Title:
活性微生物破壊燒結ガラスビーズフィルター
Document Type and Number:
Japanese Patent JP2006501020
Kind Code:
A
Abstract:
A microbicidal filter system having superior drop pressure and low complexity is provided, as well as a method for producing the same. The system comprises a plurality of glass beads having pores formed therebetween for the flow of air therethrough. The sintered glass beads are coated in a transition metal oxide and water. An ultraviolet light source is used to cause a photocatalytic reaction between the transition metal oxide and water. Free hydroxyl radicals with microbicidal properties are produced. Urethane foam may be inserted between the glass beads before sintering in order to cause a bimodal pore size distribution, and particulates disposed on the glass beads may be added to alter surface activity.
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Inventors:
Colby, Mary W.
Bergmans, Andree.
Dimarzio, Donald
Piriku, Ronald
Bergmans, Andree.
Dimarzio, Donald
Piriku, Ronald
Application Number:
JP2004541491A
Publication Date:
January 12, 2006
Filing Date:
August 26, 2003
Export Citation:
Assignee:
Northrop Grumman Corporation
International Classes:
A61L9/00; A61L9/20; B01D39/14; B01D39/20; B01D53/86; B01D53/88; B01J35/02; F24F8/125; F24F8/167
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda