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US 8,262,386 B2Granted
Gas burning hand tool
AssigneeGuilbert Express
InventorsDaniel Bouvier, Yves Guillou, Christophe Le Drappier, Laurent Tacchella
Life of this patent
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Abstract
Burner (5) for a gas burning hand tool (1), of the type comprising an elongated burner body (21), associated at opposite ends of the body with a gas injection zone (17) and a gas combustion zone (19). The gas injection zone (17) comprises at least one outlet orifice (35) terminating flush on the outside of the periphery (25) of the burner body (21), this periphery (25) promoting the circulation of the gas outside the burner body (21) to the combustion zone (19). Gas burning hand tool equipped with a burner of this type.
Claims24
Burner for a gas burning hand tool, comprising:
- an elongated burner body, associated at opposite ends of the burner body with a gas injection zone and a gas combustion zone;
- at least one branch passage arranged so as to guide a secondary gas circulation from outside a periphery of the burner body to an internal zone of the burner body, in the proximity of a flame control device;
- and
- a plurality of gas flow orifices, distributed in a manner corresponding to an opening of the internal zone on a flame capture zone,
- wherein the gas injection zone comprises at least one outlet orifice terminating flush with an outside of the periphery of the burner body, and the periphery supports circulation of the gas on the outside of the burner body towards the combustion zone, and
- wherein the flame control device comprises at least one gas flow orifice in fluid communication with the branch passage, said flow orifice being arranged in the proximity of the flame capture zone.
3 more elements
Dependencies are inferred from the claim text.