Air washer/scrubber
US4328012A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1981 |
| Grant date | May 4, 1982 |
| Priority date | — |
| Expiry date | Apr 8, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/54
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air washer or scrubber, particularly for paint spray booths and especially adapted for removing paint particles from air passing downwardly through the grille floor of a paint spray booth and against a water-washed subfloor, comprises an elongated V-shaped slot in the subfloor extending along the longitudinal centerline of the booth. The inner edges of the walls forming the V-shaped slot are upturned to form ledges so that water flowed over the subfloor and the walls of the slot impinges against the ledges and is thrown upwardly and inwardly to form a curtain of water completely covering the slot. Exhaust means pulls paint-laden air from the spray chamber through the water curtain and the slot and into an expansion chamber, the bottom walls of which form a second V-shaped slot contiguous with the first mentioned slot. The water, in which virtually all of the paint particles are entrained, and the air are discharged from the second slot and impinged against a baffle sheet angling downwardly away from the expansion chamber. The end of the sheet is upturned at a small angle to deflect the water and form an umbrella of water through which the air must pass for a final cleaning actio…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.