Air inlets for combustion chamber of water heater
AssigneeSRP 687 Pty. Ltd.
InventorsFred A. Overbey, Jr., Zoran Valcic, Geoffrey Mervyn Whitford
Life of this patent
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Abstract
A water heater that includes a water container, a combustion chamber, adjacent the water container, having at least one inlet to admit air and extraneous fumes into the combustion chamber, at least one inlet comprising a metal plate about 0.4 to 0.6 mm in thickness and through which pass a plurality of ports, the ports comprising a plurality of slots and holes, each slot having a quenching distance of about 0.6 mm, and each hole having a quenching distance in the range of about 0.7 to 0.8 mm and being capable of confining ignition and combustion of said extraneous fumes within the combustion chamber; and a burner associated with the combustion chamber and arranged to combust fuel to heat water in the container.
Claims11
A water heater comprising:
- a water container;
- a combustion chamber, adjacent said water container, having at least one inlet to admit air and extraneous fumes into said combustion chamber, said at least one inlet comprising a metal plate about 0.4 to 0.6 mm in thickness and through which pass a plurality of ports, the ports comprising a plurality of slots and holes, each slot having a quenching distance of about 0.6 mm, and each hole having a quenching distance in the range of about 0.7 to 0.8 mm and being capable of confining ignition and combustion of said extraneous fumes within said combustion chamber;
- and
- a burner associated with said combustion chamber and arranged to combust fuel to heat water in said container.
Dependencies are inferred from the claim text.