Patent ID: 6325844
Filing Date: 2001-12-04
Classification: A47L,B01D,Y10S

Abstract:
A filter and muffler device for a vacuum mechanism having an outlet port comprising:a filter element which is generally rectangular in plan view and having opposed lateral sides, opposed longitudinal sides, and a direction of filtration from a planar bottom to a planar top thereof; anda housing in which said filter element is located, said housing includinga) a generally flat upper wall parallel to and spaced from the top of said filter to element,b) respective lateral and longitudinal side walls connected to said upper wall and extending generally parallel to the respective lateral and longitudinal sides of said filter element,c) a lower wall spaced from said upper wall, extending between said lateral and longitudinal side walls of said housing, and located opposite said bottom of said filter element, said lower wall having a lateral peak so that said lower wall includes a major surface and a minor surface,d) an inlet port extending outwardly from the minor surface of said lower wall which is adapted to be mounted to the outlet port of the vacuum device,e) a mounting means for mounting said filter element sealingly between said upper wall and said lower wall, andf) spaced exhaust ports located adjacent said upper wall.