Ashing furnace
US6033629A · kind A · utility
20Cited by
9References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1998 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Mar 18, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23J2217/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A furnace includes an enclosure and a hearth plate within the enclosure for supporting combustible material. The furnace further includes a first heater element adjacent the hearth plate for initial combustion of the combustible material, a filter disposed above the hearth plate for filtering uncombusted products of combustion of the combustible material, and a second heater element adjacent the filter for final combustion of the uncombusted products of combustion filtered by the filter. A filter bypass path has an inlet located in a lower portion of the enclosure and an outlet located between the filter and the second heater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.