Combined preheat and cutting oxygen valve for cutting torches

F - Mech Eng,Light,Heat,Weapons – 23 – L

Patent

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Details

F23L 13/10 (2006.01) B23K 7/08 (2006.01) F23D 14/42 (2006.01) F23D 14/46 (2006.01) F23D 14/66 (2006.01)

Patent

CA 2212159

The valve body of a gas torch is provided with a combined preheat oxygen and cutting oxygen valve unit in which the respective valves are coaxially interengaged and mounted in a single bore provided therefor in the valve body. The preheat oxygen valve is rotatable relative to the bore to control the flow of preheat oxygen to the torch tip, and the cutting oxygen valve is axially displaceable relative to the preheat oxygen valve to control the flow of cutting oxygen to the torch tip. The preheat oxygen valve includes an operating knob by which the valve is rotated and which knob is disposed beneath a pivotal operating lever by which the cutting oxygen valve is operated.

Le corps de soupape d'un chalumeau à gaz comporte un bloc combiné de soupape d'oxygène de chauffe et soupape d'oxygène de coupe dans lequel les soupapes respectives sont coaxialement en prise l'une sur l'autre et montées dans un même trou que comporte le corps de soupape à cette fin. La soupape d'oxygène de chauffe peut tourner par rapport au trou pour le réglage du débit d'oxygène de chauffe qui alimente le bec du chalumeau, et la soupape d'oxygène de coupe peut se déplacer axialement par rapport à la soupape d'oxygène de chauffe pour le réglage du débit d'oxygène de coupe qui alimente le bec du chalumeau. La soupape d'oxygène de chauffe comporte un bouton de commande qui permet de faire tourner la soupape, ledit bouton étant placé sous un levier de commande pivotant qui commande la soupape d'oxygène de coupe.

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