Apparatus and method for extinguishing a flame upon disturbing the apparatus
US8920161B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 24, 2012 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Mar 20, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23D2900/31
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An apparatus is provided for containing a heat source (36) in a chamber (16) having a chimney-section (22). The apparatus has a gas inlet opening (24, 26, 30) and a gas outlet opening (32) formed in the chimney-section (22). The gas inlet opening (24, 26, 30) and the heat source are located in a lower area (12, 20′) of the chamber (16) and the gas outlet opening (32) is located in an upper region (14) of the chamber (16) so that, when a heat source is placed in the chamber (16), an ascending gas flow may be generated in the chamber (16). Inflowing gas into the chamber flows therethrough into the lower area (12, 20′) of the chamber (16) and then is drawn upwardly by a draw of the ascending gas flow and then though the gas outlet opening (32). The apparatus includes a subassembly (27). The chimney-section (22) is attached to the subassembly (27) so that lateral tilting of the chimney-section (22) causes motion of the subassembly (27) relative to the wick (307). This extinguishes the flame if the wick was burning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.