Patent · US Expired

Gas filter module having two-part filter and method of producing the same

US6210458A · kind A · utility

14Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 24, 1998
Grant dateApr 3, 2001
Priority date
Expiry dateDec 24, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2271/022
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The gas filter module of the invention has: a housing which has a gas inlet port at one end and a gas outlet port at another end, and which is divided into two portions in a longitudinal direction; a filter body consisting of a porous ceramics member which is loaded into the housing and through which an inflow gas passes; and a ring-like support member consisting of dense ceramics which is fittingly coupled to a step portion formed inside the housing and which is joined to the filter body. The ring-like support member is fixed via two metal O-rings to a fixing gap of the step portion of the housing.

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