Back to results
US 2006/0144026 A1Published application
Air cleanness filter
AssigneeSK Telecom Co., Ltd.
InventorEuiwoong Kim
Life of this patent
Estimating the term…
Abstract
The present invention relates to an air cleaning filter. The air filter is made of polymer synthetic resin film with multiple protrusions on the surface thereof, electrically charged by using charging devices such as a 10 to 40 kV corona discharger. The film is rolled so as to provide an air path in the direction of air flow. The thickness of the film ranges from 0.1 to 1 mm and the height of each protrusion ranges from 0.1 to 5 mm.
Claims5
An air cleanness filter comprising:
- a film made of high-polymer synthetic resin and charged with static electricity;
- and
- a plurality of protrusions formed on the film, wherein the film is wound in a cylinder shape so as to provide an air passage in parallel to an air flow direction.
Dependencies are inferred from the claim text.