Patent · US Expired

Filtering apparatus

US4828698A · kind A · utility

97Cited by
14References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1988
Grant dateMay 9, 1989
Priority date
Expiry dateJun 30, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2201/006
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The disclosure describes a filter assembly comprising a housing having a liquid inlet and a liquid outlet and defining a liquid flow path between the inlet and the outlet; a generally cylindrical filter arrangement disposed within the housing in the liquid flow path and comprising a cylindrically shaped porous means for removing particulate contaminants from the liquid, a cylindrically shaped sorbent-containing means for removing chemical contaminants from the liquid, and a cylindrically shaped microporous means for removing microbiological contaminants from the liquid; and means for directing the liquid flow radially through the filter arrangement.

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