Patent · US Expired

Coalescing filter using an expandable bed fiber

US5439588A · kind A · utility

15Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1994
Grant dateAug 8, 1995
Priority date
Expiry dateMar 29, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/05
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter coalescer cartridge for removing contaminants from a liquid comprises: PA1 (a) a first support at one end of the cartridge, PA1 (b) a second end support tending towards the other end of the cartridge, PA1 (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 PA1 (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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.