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US 9,427,690 B2Granted
Apparatus and method for fabricating anti-microbial air filter media and anti-microbial air filter media
AssigneeKorea Institute of Science and Technology
InventorsJae Hee Jung, Gwi Nam Bae, Bo Mi Kwon, Gi Byoung Hwang
Life of this patent
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Abstract
The present disclosure relates to an antimicrobial filter medium with improved antimicrobial property and microbe capture ability wherein gaseous antimicrobial nanoparticles are uniformly coated onto the filter medium and conductive members are attached on both sides of the filter medium, and an apparatus and a method for fabricating the same.
Claims9
An apparatus for fabricating an antimicrobial filter medium, comprising:
- an antimicrobial droplet generation unit configured to generate antimicrobial droplets by hydraulic pressure spraying an antimicrobial solution in which antimicrobial nanoparticles are dispersed;
- a dehumidifier unit configured to absorb and remove a solvent component of the antimicrobial droplet;
- an electric heater configured to generate antimicrobial nanoparticles by removing a solvent component remaining in the antimicrobial nanoparticles discharged from the dehumidifier unit:
- an antimicrobial nanoparticle coating unit configured to fabricate an antimicrobial filter medium by coating the antimicrobial nanoparticles generated by the electric heater on a filter medium;
- and
- a conductive member coating unit configured to coat conductive members on both sides of the antimicrobial filter medium,
- wherein the conductive member coating unit comprises a conductive member supply unit, an attachment support unit and a conveyor, and
- wherein the conveyor is configured to transport the antimicrobial filter medium fabricated by the antimicrobial nanoparticle coating unit, the conductive member supply unit comprises a roller above and below the conveyor and is configured to supply the conductive members, and the attachment support unit is configured to attach the conductive members on both sides of the antimicrobial filter medium by pressing them.
5 more elements
An apparatus for fabricating an antimicrobial filter medium, comprising:
- an antimicrobial droplet generation unit configured to generate antimicrobial droplets by hydraulic pressure spraying an antimicrobial solution in which antimicrobial nanoparticles are dispersed;
- a dehumidifier unit configured to absorb and remove a solvent component of the antimicrobial droplet;
- an electric heater configured to generate antimicrobial nanoparticles by removing a solvent component remaining in the antimicrobial nanoparticles discharged from the dehumidifier unit:
- an antimicrobial nanoparticle coating unit configured to fabricate an antimicrobial filter medium by coating the antimicrobial nanoparticles generated by the electric heater on a filter medium;
- and
- a conductive member coating unit configured to coat conductive members on both sides of the antimicrobial filter medium,
- wherein the conductive member coating unit comprises a conductive member supply unit, an attachment support unit and a conveyor, and
- wherein the conveyor is configured to transport the antimicrobial filter medium fabricated by the antimicrobial nanoparticle coating unit, the conductive member supply unit comprises a roller above and below the conveyor and is configured to supply the conductive members, and the attachment support unit is configured to attach the conductive members on both sides of the antimicrobial filter medium by pressing them,
- wherein an antimicrobial filter medium is fabricated by the apparatus, and
- wherein a high electric voltage generator is connected to a conductive member on one side of the antimicrobial filter medium, a conductive member on the other side of the antimicrobial filter medium is grounded, and an electric field may be applied between the conductive members by supply of electric power from the high electric voltage generator.
7 more elements
Dependencies are inferred from the claim text.