Patent ID: 7837772
Filing Date: 2010-11-23
Classification: A47L,A61L,Y10S

Abstract:
1. A vacuum cleaner filter assembly comprising: a filter frame defined by one or more frame side walls; a filter mounted in the filter frame and extending between the one or more frame sidewalls, the filter having a filter surface through which air can pass during use; a chamber having a first chamber side wall abutting and connected to a first portion of the one or more frame side walls and a second chamber side wall abutting and connected to a second portion of the one or more frame side walls such that the entire chamber is positioned generally adjacent to a first portion of the filter surface, the chamber having at least one filter-facing portion facing the first portion of the filter surface, and defining a passage from the at least one filter-facing portion to a portion of the chamber not facing the filter, and wherein the filter has a filter width and a filter length, and the filter-facing portion extends across substantially the entire filter width and only a portion of the filter length; at least one deodorant contained in the chamber; and wherein the filter assembly provides separate parallel first and second air flow paths, the first air flow path extending through the first portion of the filter surface and the chamber, and the second air flow path extending through a second portion of the filter surface that is not covered by the chamber and not extending through the chamber.