Patent ID: 6093237
Filing Date: 2000-07-25
Classification: B01D

Abstract:
A filter element arrangement comprising:(a) a first media construction; said first media construction having first and second opposite end caps and defining an open filter interior;(i) said first end cap having a gas flow aperture in gas flow communication with said open filter interior;(ii) said second end cap being closed to gas flow therethrough;(iii) said first media construction comprising pleated paper;(b) a first gasket member on said first media construction first end cap circumscribing said first media construction first end cap gas flow aperture;(c) a second media construction; said second media construction having first and second opposite end caps and defining an open filter interior;(i) said second media construction being secured to and stacked in axial alignment with said first media construction;(ii) said second media construction first end cap being closed to gas flow therethrough;(iii) said second media construction second end cap having a gas flow aperture in gas flow communication with said second media construction open filter interior; said second media second end cap being at an end of the filter element arrangement opposite of said first media construction first end cap;(iv) said second media construction comprising activated carbon;(v) said second media construction having a first outer liner and a first inner liner extending between said second media construction first and second end caps;(A) said first outer liner and first inner liner each having crimped portions;(vi) said second media construction having a packing construction including a plate and a packing member;(A) said plate being adjacent to said crimped portions; said crimped portions being between said plate and said second media construction first end cap;(1) said plate comprising a nonporous material;(B) said packing member being oriented between and against said plate and said activated carbon;(1) said packing member comprising a soft, compressible material; and(d) a second gasket member on said second media construction second end cap circumscribing said second media construction second end cap gas flow aperture.