Patent · US Expired

Air filtration system

US5147427A · kind A · utility

14Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 1991
Grant dateSep 15, 1992
Priority date
Expiry dateJul 15, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2273/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An air filtration system that reduces positive and/or negative resistance by eliminating duct work to and from the to-be-filtered room. The air filtering system forms a common wall with the to-be-filtered room permitting dirty air to move easily and quickly through to the cleaning process. Through the use of vertical baffles and reverse pulsed jets, debris is easily and efficiently collected in drawers or trays. Because of the modular design of the invention, it is easily placed on a trailer and transported to a locale which is to be cleaned within a flexible room (i.e. bridges, building exteriors, airplanes, etc.).

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