Patent ID: 6746518
Filing Date: 2004-06-08
Classification: B01D,Y10S

Abstract:
A filter arrangement comprising a filter element having opposite first and second ends; said filter element comprising a plurality of flutes; each of said flutes having a first end portion adjacent to said filter element first end, and a second end portion adjacent to said filter element second end; selected ones of said flutes being open at said first end portion and closed at said second end portion; and selected ones of said flutes being closed at said first end portion and open at said second end portion; and a frame construction secured to said filter element adjacent to said second end; the filter arrangement being characterized by:(a) a handle member is secured to said filter element adjacent to said first end; (b) a board is at least partially extending into said filter element; said board including: (i) first and second opposite ends; (ii) first and second opposite side edges extending between said board first and second opposite ends; (iii) a first projection axially extending from said first end of said filter element; (A) said first projection being oriented closer to said first side edge than to said second side edge; and (iv) a recessed portion adjacent to said first projection; and (c) said frame construction includes at least one support brace extending at least partially over one of said first and second ends of said filter element.