Patent ID: 6316745
Filing Date: 2001-11-13
Classification: B23K

Abstract:
A welding tool for transfer of at least one of material and energy, said welding tool comprising:a welding electrode;a receiver being configured and disposed to receive an electric arc from said welding electrode;a power part;a power cable;said power part being configured and disposed to supply energy to said welding electrode through said power cable;a high frequency device being disposed between said power part and said welding electrode;said high frequency device being configured to generate high-frequency high voltage;a control device being configured to measure and control said electric arc;a measurement line being configured and disposed to connect said power cable to said control device;a first component having low impedance with respect to high-frequency high voltage;an inductive element being disposed between said power cable and said power part;said inductive element comprising a power winding;a disturbance-suppressing element being disposed between said inductive element and said measurement line;said disturbance-suppressing element comprising a measurement winding;said measurement winding being configured such that a voltage induced therein and in said power winding has a polarity in relation to said welding electrode to minimize disturbances.