Fuel charge for melting plate candle assembly and method of supplying liquefied fuel to a wick
US7731492B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2005 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Dec 2, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23D3/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fuel charge for use with a melting plate candle assembly includes an outer shell of fuel material surrounding an inner core of fuel material having different properties than the fuel material of the outer shell. The outer shell is substantially solid and may contain fuel additive that slows capillary flow of liquid fuel to the flame through the wick. The inner core may include liquid fuel, discrete solid fuel particles, or a solid fuel mass. The fuel additive is disposed in the fuel charge so as to slow migration of liquefied fuel to a flame on a wick only after a substantial portion of the fuel charge has been liquefied by heat from the flame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.