Efficient, pollution free, woodburning furnace
US4777928A · kind A · utility
2Cited by
13References
5Claims
0Family size
Inventor
Key dates
| Filing date | Sep 8, 1987 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Sep 8, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24B7/025
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A self-contained, free standing, on-demand, woodburning furnace including a firebox (52), including means to force combustion gases through a manifold (68), a hot air gathering plenum and means to selectively force feed the fire (34, 36, 38, 40, 68) and draw heated air from the furnace (8, 10, 12, 14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.