Fume hood with baffle assembly
US11331701B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2019 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Jan 14, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B15/023
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fume hood adapted to be connected to an exhaust system has a ventilated chamber with a rear wall, opposite side walls, a ceiling, a floor, and an access opening. A baffle assembly is located in front of the rear wall and includes a lower panel and an upper panel. The lower panel has opposite side edges extending between the chamber side walls, a lower edge spaced apart from the chamber floor, and a plurality of air-exit apertures. The upper panel has opposite side edges extending between the chamber side walls, a lower edge attached to an upper portion of the lower panel, an opposite upper edge attached to the chamber ceiling, and a plurality of air-exit apertures. An elongated grating covers a gap between the lower panel lower edge and the chamber floor and includes a plurality of air-exit apertures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.