US2009120423A1PendingUtilityA1
Double fuel burning stove
Est. expiryJul 17, 2026(expired)· nominal 20-yr term from priority
Inventors:Antonio Ungaro
F24B 1/026F24B 9/04
25
PatentIndex Score
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Claims
Abstract
Double fuel burning stove formed by an external casing, characterised by the fact that said stove is composed of two hearths, a first hearth ( 4 ) for one fuel and a second hearth ( 5 ) for a second fuel, the second hearth ( 5 ) being placed above the first hearth ( 4 ) and the second hearth ( 5 ) is completely separated from the first hearth ( 4 ).
Claims
exact text as granted — not AI-modified1 . Double fuel burning stove formed by an external casing, characterised by the fact that said stove is composed of two hearths, a first hearth ( 4 ) for one fuel and a second hearth ( 5 ) for a second fuel, the second hearth ( 5 ) being placed above the first hearth ( 4 ) and the second hearth ( 5 ) is completely separated from the first hearth ( 4 ).
2 . Double fuel burning stove according to claim 1 characterised by the fact that both the first and the second fuels are solids and that one of the two fuels is a loose solid fuel.
3 . Double fuel burning stove according to claim 1 characterised by the fact that the first hearth ( 4 ) has a first flue ( 8 ) and that the second hearth ( 5 ) has a second flue ( 9 ) and that said flues are separated.
4 . Double fuel burning stove according to claim 1 characterised by the fact that both the first ( 4 ) and the second hearths ( 5 ) have separate aeration systems.
5 . Double fuel burning stove according to claim 1 characterised by the fact that a heat exchanger ( 14 ) is placed below the second hearth ( 5 ).
6 . Double fuel burning stove according to claim 1 characterised by the fact that the first hearth ( 4 ) has a first door ( 10 ) and that the second hearth ( 5 ) has a second door ( 11 ).
7 . Double fuel burning stove according to claim 1 characterised by the fact that the second hearth is completely separated from the first hearth ( 4 ) by means of a double-walled box ( 6 ) that surrounds said second hearth ( 5 ).
8 . Double fuel burning stove according to claim 1 characterised by the fact that the double-walled box ( 6 ) that surrounds said second hearth ( 5 ) is present at least on the bottom and on three sides.
9 . Double fuel burning stove according to claim 1 characterised by the fact that the double-walled box ( 6 ) is a water-jacket.
10 . Double fuel burning stove according to claim 1 characterised by the fact that the heat exchanger ( 14 ) positioned below the second hearth ( 5 ) is a heat exchanger for the heating of the water.
11 . Double fuel burning stove according to claim 1 characterised by the fact that the double-walled box ( 6 ) is a heat exchanger for the heating of the air.
12 . Double fuel burning stove according to claim 1 characterised by the fact that the heat exchanger ( 14 ) positioned below the second hearth ( 5 ) is an air heat exchanger.
13 . Double fuel burning stove according to claim 1 characterised by the fact that the first hearth ( 4 ) is a hearth for wood and the second hearth ( 5 ) is a hearth for loose solid fuel.
14 . Double fuel burning stove according to claim 1 characterised by the fact that the first hearth ( 4 ) is a hearth for loose solid fuel and the second hearth ( 5 ) is a hearth for wood.Join the waitlist — get patent alerts
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