Patent ID: 9045353
Filing Date: 2015-06-02
Classification: C02F,Y02A

Abstract:
1. A portable, filter apparatus for treating drinking water, comprising: a filter housing having a filter chamber containing granular filtration media that comprises granular activated carbon, the filter housing having a reservoir positioned upstream the filter chamber to provide a gravity flow of water through the filter chamber, a venting mesh positioned between a bottom end of the reservoir and a top end of the filter chamber, wherein the venting mesh has a top surface positioned adjacent the reservoir and a bottom surface that retains the granular filtration media within the filter chamber, and a filter pad positioned at a bottom end of the filter housing, wherein the filter pad has a top surface that is adjacent to the granular filtration media and a bottom surface, the filter pad retaining the granular filtration media within the filter chamber, the venting mesh having a porosity that is coarser than a porosity of the filter pad, and wherein said filter apparatus allows for a flow rate of about 0.5 Lpm to about 5 Lpm through the filter chamber when the reservoir is filled with water at atmospheric pressure.