Patent · US Expired

Fluid fractionator

US5268021A · kind A · utility

82Cited by
30References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1992
Grant dateDec 7, 1993
Priority date
Expiry dateFeb 28, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S95/902
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Improved apparatus for fractionating fluid mixtures by pressure swing molecular adsorption employing a rotary distributor valve and an array of adsorber columns. The columns are, in one embodiment, contained within a product holding tank or, in another embodiment, attached to a product tank. The valve sequences to provide a quasi steady-state flow, allowing optimization of adsorption/desorption cycles, and eliminating most of the valves, switches and plumbing usually required.

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