Coalescing filter using an expandable bed fiber

摘要

A filter coalescer cartridge for removing contaminants from a liquid comprises: (a) a first support at one end of the cartridge, (b) a second end support tending towards the other end of the cartridge, (c) a filter coalescer element comprising a plurality of aligned fibers or bundles of fibers, each fiber or bundle being secured at one end to one end support and at the other end to the other end support, and (d) a drive mechanism for relatively rotating and moving the end supports towards and away from each other to twist and compress and straighten and extend respectively the filter coalescer element. The cartridge gives good performance and is easily regenerated.