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US 5,797,355 AGranted
Ignition inhibiting gas water heater
AssigneeSRP 687 Pty. Ltd.
InventorsBrendan Vincent Bourke, Zoran Valcic, Geoffrey Mervyn Whitford
Life of this patent
Estimating the term…
Abstract
A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases or vapors outside of the enclosure.
Claims29
A gas water heater comprising a water container adapted to be heated by a gas burner;
- and an enclosure surrounding said burner, said enclosure having at least one entry means adapted to allow air and extraneous fumes to enter said enclosure and prevent ignition of extraneous fumes outside of said enclosure.
A water heater comprising:
- means for containing water;
- means forming a chamber adjacent said containing means;
- a burner located in said chamber;
- and
- a flame trap associated with said chamber means permitting combustion air and extraneous gases, if present, into said chamber and capable of preventing ignition of extraneous gases outside said chamber.
2 more elements
A water heater comprising:
- a water tank;
- a combustion chamber located below said tank;
- a burner located inside said combustion chamber;
- a flame trap positioned in a portion of structure associated with said combustion chamber, said flame trap permitting ingress of air and extraneous gases, if present, into said combustion chamber and preventing egress of flames from said structure.
1 more element
Dependencies are inferred from the claim text.