Exhaust hood with adjustable air injection nozzle
US4117833A · kind A · utility
25Cited by
4References
12Claims
0Family size
Inventor
Key dates
| Filing date | Feb 16, 1977 |
| Grant date | Oct 3, 1978 |
| Priority date | — |
| Expiry date | Feb 16, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/36
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust hood for kitchens, spray booths, etc., is provided with an air intake plenum having a nozzle spout which is adjustable to inject air from the plenum into the hood on selectively different injection paths. The nozzle spout desirably has an adjustable lip which is perforated. The spout turns on a bearing for adjustment purposes and there are flexible seals between the plenum and the nozzle spout.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.