Patent · US Expired

Tangential filtration apparatus

US4906370A · kind A · utility

5Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 1989
Grant dateMar 6, 1990
Priority date
Expiry dateApr 27, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D63/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Rotating membrane tangential filtration apparatus with low power consumption is characterized by a direct drive system (10) along the axis of its membrane (5), a sealing system (11, 16) between the residue and filtrate compartments, which system used frictional ceramic parts; the diameter of the filter membrane is small relative to its length, and the filter layer is arranged on its outside surface; it is provided with a system for taking up the slack caused by differential expansion.

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