Air filter arrangement; assembly; and, methods

摘要

An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.

主权项

1. An air filter cartridge comprising:
(a) a stack of strips of filter media;
(i) each strip of filter media comprising a sheet of fluted media secured to a facing sheet of media;
(A) each strip of filter media having front and rear edges and side edges extending therebetween;(B) the stack of strips defining opposite inlet and outlet flow; and,(C) the stack of strips having first and second, opposite, side faces extending between the inlet and outlet flow faces; and (b) first and second opposite, separate, molded side pieces;
(i) the first molded side piece having a first side edge of each strip of filter media in the stack of strips embedded therein, during molding of the first molded side piece; and,(ii) the second molded side piece having a second side edge of each strip of media in the stack of strips embedded therein, during molding of the second molded side piece; and, (c) a perimeter housing seal comprising an axial pinch seal;
(i) the housing seal is a slanted seal arrangement extending at an acute slant angle to an axial direction between the opposite flow faces.