Air filtration system
US5147427A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Jul 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.