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US 12,397,365 B2Granted
Systems, methods, and apparatus to preheat welding wire
AssigneeIllinois Tool Works Inc.
InventorsDennis Roland Sigl, Jake Zwayer
Life of this patent
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Abstract
An example welding torch includes: a first contact tip configured to conduct welding current to a consumable electrode; a second contact tip configured to conduct preheating current to the consumable electrode; a cooling assembly configured to transfer heat from at least the first contact tip to coolant and to conduct the welding current through the cooling assembly; wherein the first contact tip and the cooling assembly are removable from the welding torch as a single unit.
Claims12
A welding torch, comprising:
- a first contact tip configured to conduct welding current to a consumable electrode;
- a second contact tip configured to conduct preheating current to the consumable electrode;
- a cooling assembly configured to transfer heat from at least the first contact tip to a coolant, the cooling assembly comprising an electrically conductive cooling body that defines a flow path for the coolant, wherein the cooling body conducts the welding current;
- wherein the first contact tip and the cooling assembly are removable from the welding torch as a single unit.
1 more element
Dependencies are inferred from the claim text.