Patent · US Expired

Concentrically-arranged flexible media and support basket with second stage cartridge filter

US6585892B2 · kind B2 · utility

9Cited by
42References
1Claims
0Family size

Inventor

Key dates

Filing dateOct 8, 2002
Grant dateJul 1, 2003
Priority date
Expiry dateOct 8, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2201/34
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A concentric arrangement of bag-type filter sleeves 11, 12 of a filter insert are removably supported within a concentric arrangement of screens 60, 61 of an annularly-shaped basket 10a. The screens respectively support the filter sleeves against radial flow during filtration. A filter cartridge 37 is carried interiorly of the innermost filter sleeve and is configured to filter the liquid that has first been filtered in the filter insert and before the liquid can exit the filter vessel 30.

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