| 摘要 |
Provided is an apparatus for burning biomass fuel sources, such as a fire pit for burning wood pellets. A fire pit of the present invention may include a burning chamber having a floor and an opening at the top, and a secondary chamber having a bottom, at least one air intake, and at least one air escape. The secondary chamber may be heated by the burning chamber. The at least one air intake may be located near the bottom of the secondary chamber, while the at least one air escape may be located near the top of the burning chamber. In addition, the primary chamber opening may guide flames out of the burning chamber. The secondary chamber may also include a roof, which may overhang said burning chamber. |
| 主权项 |
1. A fire pit comprising:
a burning chamber, said burning chamber having a floor and an opening at the top; a secondary chamber having a bottom, at least one air intake, and at least, one air escape, said at least one air escape venting air from said secondary chamber to said burning chamber; said secondary chamber heated by said burning chamber; said at least one air intake located near said bottom of said secondary chamber; said at least one air escape located near fire top of said burning chamber; and said opening guiding flames out of said burning chamber. |
