|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B01D-059/50 B01D-059/00 G01N-001/22|
|미국특허분류(USC)||055/462; 055/482; 073/028.05; 073/863.22|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 5|
A porous metal denuder has a cascade impactor to collect aerosol particles of different diameters, two porous metal discs downstream to collect basic and acidic gases, respectively, and a final filter to collect particles smaller than the cut diameter of the last stage of the cascade impactor which will penetrate the two porous metal discs.
What is claimed is: 1. A porous-metal denuder comprising: a cascade impactor comprising at least a first stage nozzle having an inlet, a first impactor, a second stage nozzle, and a second stage impactor, a first gas collecting element comprising a first holder cover, a first porous metal disc, and a first holder base; a second gas collecting element comprising a second holder cover, a second porous metal disc, and a second holder base; a casing; a filter; and a filter holder provided with an outlet, wherein the first stage nozzle, the first impactor, t...