Burners
First Claim
Patent Images
1. A burner comprising:
- a burner element formed of a slab of material which is adapted and arranged to hold liquid fuel by capillary action and defining air passageways therethrough for the passage of combustion air to a combustion zone at the surface of the burner element;
means supplying fuel under pressure in said element in an amount in excess of that required to saturate said element thereby to cause the element to be flushed and to remove carbon build up therefrom during the entire normal operation of the burner, said excess fuel dripping from the underside of the element said means including an elongated pipe having a plurality of orifices abutting the burner slab material and directed toward the combustion zone for directing the fuel into the burner slab material; and
means for collecting and recycling the excess fuel to said supplying means;
the combustion air and fuel vapors from the burner element being mixed and reacted above said element.
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Accused Products
Abstract
A metal foam burner element holds liquid fuel by capillary action. The element is in contact with one or more fuel feed pipes connected to a pressurised fuel supply. The element has air passageways through it so that combustion takes place between air passing through the element and the fuel.
67 Citations
9 Claims
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1. A burner comprising:
- a burner element formed of a slab of material which is adapted and arranged to hold liquid fuel by capillary action and defining air passageways therethrough for the passage of combustion air to a combustion zone at the surface of the burner element;
means supplying fuel under pressure in said element in an amount in excess of that required to saturate said element thereby to cause the element to be flushed and to remove carbon build up therefrom during the entire normal operation of the burner, said excess fuel dripping from the underside of the element said means including an elongated pipe having a plurality of orifices abutting the burner slab material and directed toward the combustion zone for directing the fuel into the burner slab material; and
means for collecting and recycling the excess fuel to said supplying means;
the combustion air and fuel vapors from the burner element being mixed and reacted above said element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a burner element formed of a slab of material which is adapted and arranged to hold liquid fuel by capillary action and defining air passageways therethrough for the passage of combustion air to a combustion zone at the surface of the burner element;
Specification
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Current AssigneeBP PLC
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Original AssigneeBP PLC
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InventorsHirst, Kenneth, Whitehead, David Montagu, Granger, James Peter
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Primary Examiner(s)Dority, Jr, Carroll B.
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Application NumberUS05/431,607Time in Patent Office812 DaysField of Search431/328, 431/329, 431/117, 431/118US Class Current431/118CPC Class CodesF23C 2700/026 with pre-vaporising meansF23C 99/00 Subject-matter not provided...
