Patent · US Expired

Flow control apparatus and method

US5558494A · kind A · utility

1Cited by
5References
18Claims
0Family size

Inventors

Key dates

Filing dateFeb 8, 1995
Grant dateSep 24, 1996
Priority date
Expiry dateFeb 8, 2015

Classification

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

Abstract

A flow control apparatus receives air flow through a closure (A) for discharge through an orifice plate (B) carried at an air exit end opposite an opening in a wall, wherein a bellmouth air entrance member (C) receives air flow from the closure (A) and directs same to an evase (D) for reception thereby through an exit opening in the orifice plate for discharge through the exit opening in the wall.

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