Patent ID: 9006610
Filing Date: 2015-04-14
Classification: B23K,Y10T

Abstract:
1. A welding system comprising: a welding torch body; a collar coupled to the torch body and configured to hold an electrode; a channel formed in the collar and configured to circulate coolant around the electrode; a supply conduit disposed in the torch body and configured to convey coolant to the collar; a gas conduit disposed in the supply conduit and configured to deliver shielding gas to the collar; a return conduit disposed in the supply conduit and configured to convey heated coolant away from the collar, the coolant flowing through the supply conduit insulating the torch body from the heated coolant flowing through the return conduit; and a structure disposed in the supply conduit, the structure having first and second channels formed therethrough, wherein the first channel comprises the return conduit and the second channel comprises the gas conduit.