78872757
Apr 28, 2006
Apr 22, 2008
Breathing air filtration equipment for removing particles from an air stream, namely, a self-contained breathing air filtration device comprised of a housing maintaining an ionizer and ground electrodes for producing an electrical field that interacts with particles in a breathing air stream passing through the housing to create clusters of the particles, and a filter maintained in the housing for collecting and separating the clusters of the particles from the breathing air stream passing through the housing
Electrical and Scientific Apparatus