Fume exhaust device for use above a range
US6484713B1 · kind B1 · utility
11Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Feb 22, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24C15/2021
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A fume exhaust hood is equipped with a fume detecting sensor element that controls the fan and, additionally, with a sensor element that directly or indirectly detects continuous activation of the range area connection and serves as a control member of a control circuit to start up the fume exhaust hood.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.