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US 4,785,747 AGranted
Gasifying burner for a solid fuel heating apparatus
AssigneeChaubois Technologie Inc.
InventorAndre Landreau
Life of this patent
Estimating the term…
Abstract
The present invention relates to a gasification burner for heating apparatus (boiler, hot air generator or the like) which uses solid fuel. The gasification burner is placed generally at the center of the hearth of the heating apparatus to achieve gasification of the solid fuel before its transformation into charcoal or coals.
Claims22
A gasification burner for a heating apparatus using a solid fuel and comprising a hearth having a base, a lower part of said hearth being defined by a fire grate, the gasification burner comprising:
- (a) an outer enclosure comprising a series of openings which communicate with the base of the hearth;
- (b) a burner duct distinct from said outer enclosure and which runs longitudinally inside said outer enclosure, said burner duct comprising an inlet located at one end thereof and an outlet located at another end thereof, a space defined between said burner duct and said outer enclosure communicating with said inlet of said burner duct;
- and
- (c) a secondary air inlet located near said inlet of said burner duct.
1 more element
A heating apparatus using a solid fuel comprising:
- (a) a jacket;
- (b) a solid fuel reservoir having a loading door;
- (c) a hearth disposed below said reservoir and comprising a fire grate placed over an ash pan, said fire grate defining a fire grate level;
- (d) a gasifying burner disposed in said hearth;
- (e) an expansion chamber communicating with said hearth through said gasifying burner;
- and
- (f) a heat exchanger disposed after said expansion chamber, said heat exchanger communicating with a chimney;
- said gasifying burner comprising an outer enclosure positioned generally at the center of the fire grate level and a burner duct distinct from said outer enclosure and running longitudinally inside said outer enclosure said burner duct comprising an inlet located at one end thereof and an outlet located at another end thereof, a space defined between said burner duct and said outer enclosure communicating with said inlet of said burner duct.
5 more elements
A gasification burner for a heating apparatus using a solid fuel comprising a hearth, a lower part of said hearth being defined by a fire grate, the gasification burner comprising:
- (a) an outer enclosure comprising a series of openings disposed longitudinally on an upper portion of said outer enclosure;
- (b) a burner duct which runs longitudinally inside said enclosure, said burner duct comprising an inlet and an outlet, a space defined between said burner duct and said outer enclosure communicating with said inlet of said burner duct;
- (c) a secondary air inlet located near said inlet of said burner duct;
- and
- (d) a cover placed over said openings of said outer enclosure.
2 more elements
A heating apparatus using a solid fuel, comprising:
- (a) a jacket;
- (b) a solid fuel reservoir having a loading door;
- (c) a heart having a base and disposed below said reservoir, said hearth comprising a fire grate placed over an ash pan, said fire grate defining a fire grate level;
- (d) a gasifying burner placed in said hearth;
- (e) an expansion chamber communicating with said hearth through said gasifying burner;
- and
- (f) a heat exchanger disposed after said expansion chamber, said heat exchanger communicating with a chimney;
- wherein said gasifying burner is disposed at the fire grate level generally at its center, said gasifying burner comprising an exterior enclosure having a series of openings longitudinally disposed on an upper portion of said exterior enclosure, said openings communicating with the base of the hearth;
- said gasifying burner further comprising a burner duct which runs longitudinally inside said exterior enclosure, said burner duct comprising an inlet and an outlet, a space between said burner duct and said exterior enclosure communicating with said inlet of said burner duct;
- said gasifying burner further comprising a secondary air inlet disposed near said inlet of said burner duct, and a cover placed over said openings of said exterior enclosure.
7 more elements
A heating apparatus using a solid fuel, said apparatus comprising:
- (a) a jacket;
- (b) a solid fuel reservoir having a loading door;
- (c) a hearth disposed below said reservoir and comprising a fire grate placed over an ash pan, said fire grate defining a fire grate level;
- (d) a gasifying burner disposed in said hearth;
- (e) an expansion chamber communicating with said hearth through said gasifying burner;
- and
- (f) a heat exchanger disposed after said expansion chamber, said heat exchanger communicating with a chimney;
- said hearth having a base, said apparatus comprising a primary air diffuser located one each side of said base of said hearth;
- and
- wherein said gasifying burner is positioned generally at the center at the fire grate level.
7 more elements
Dependencies are inferred from the claim text.