Patents in subclass Electric Heating/By Arc Voltage

Number	Patent title	Issue Date
6335511	Control method and apparatus for an arc welding system An arc welding control method and apparatus includes a voltage control loop in which a pulsation parameter such as pulse width, pulse amplitude, background amplitude between pulses, or frequency, is adjusted to compensate for deviations...	01/01/2002
06335511	Control method and apparatus for an arc welding system An arc welding control method and apparatus includes a voltage control loop in which a pulsation parameter such as pulse width, pulse amplitude, background amplitude between pulses, or frequency, is adjusted to compensate for deviations...	01/01/2002
5756966	Method for joining metal components with improved arc voltage sensing and control A method of arc voltage sensing and electrode position control during mechanized electric arc welding. This welding method utilizes a lower power mode of the arc which has an improved voltage sensing geometry, and allows welds to be...	05/26/1998
5607603	Process and apparatus for eliminating casting defects on the surface of a cast iron body Cast-iron bodies are repaired or surface defects corrected by chambering the cast-iron body in the region of the defect and positioning the body with the resulting recess upwardly opening beneath a crane from which the head of an...	03/04/1997