Patent ID: 6104032
Filing Date: 2000-08-15
Classification: B01D,G01N

Abstract:
A filter inspecting apparatus for inspecting generally tubular filters, comprising:support frame;mounting means mounted on said support frame for mounting a substantially tubular filter having inner and outer surfaces for rotation about its axis;EMR generating means mounted on said support frame for generating and directing electromagnetic radiation;a rotatable multifaceted mirror positioned for receiving electromagnetic radiation directly from said generating means and directing said electromagnetic radiation in a continuous sweep directly onto and along one of said inner and outer surface of the filter;EMR sensing means mounted adjacent to the other of said inner and outer surfaces for sensing EMR passing through said filter and generating a signal responsive thereto;indicator means responsive to said signal for indicating passage of EMR through the filter; andmeans for directing air against one of said surfaces of said filters for separating folds therein.