|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||G01N-007/00 G01N-031/00 G01N-015/02 G01N-001/00|
|미국특허분류(USC)||73/86322 ; 73/28 ; 73/8 ; 55/270|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 20 인용 특허 : 4|
A compact air sampling impactor assembly has an inlet nozzle overlying an impaction plate that is mounted on a flat housing that defines an interior chamber covered by a filter. An air flow outlet tube leading from the chamber is connected to an air pump and a flow is established through the nozzle so the air impinges on the impaction plate to leave particles thereon and the flow then passes through the filter to the chamber and then out the air outlet. The size is kept small for personal use. Cascade impactors can be made using additional flow paths def...
An impactor comprising an impaction plate and filter unit including an impactor housing having oppositely facing first and second sides bounded by an outer wall, said impactor housing having an exterior surface on the first side thereof, an impaction plate mounted on said exterior surface of said impactor housing, a chamber defined by a recess in said impactor housing which opens to the second side of the impactor housing and which faces in opposite direction from said impaction plate, filter means for covering said opening, means defining an air outlet ...