Patent · US Expired

Contact tray assembly and method

US5147584A · kind A · utility

28Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1992
Grant dateSep 15, 1992
Priority date
Expiry dateJan 31, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D3/22
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A contact assembly and method for vapor liquid contact towers employing a round aperture cover secured above a contact tray by integral depending legs, the upstream leg being of greater width than the downstream leg.

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