US 12,240,064 B2
Methods and apparatus to provide welding-type power and preheating power
Craig Steven Knoener, Appleton, WI (US)
Assigned to Illinois Tool Works Inc., Glenview, IL (US)
Filed by Illinois Tool Works Inc., Glenview, IL (US)
Filed on Dec. 19, 2023, as Appl. No. 18/545,547.
Application 18/545,547 is a continuation of application No. 16/832,844, filed on Mar. 27, 2020, granted, now 11,845,150.
Claims priority of provisional application 62/841,153, filed on Apr. 30, 2019.
Prior Publication US 2024/0261886 A1, Aug. 8, 2024
Int. Cl. B23K 9/10 (2006.01); B23K 9/095 (2006.01); B23K 9/12 (2006.01); B23K 9/133 (2006.01); B23K 9/173 (2006.01); H02M 3/335 (2006.01)
CPC B23K 9/1093 (2013.01) [B23K 9/0953 (2013.01); B23K 9/1006 (2013.01); B23K 9/125 (2013.01); B23K 9/133 (2013.01); B23K 9/173 (2013.01); H02M 3/33573 (2021.05)] 20 Claims
OG exemplary drawing
 
1. A welding power supply, comprising:
a power input configured to receive input power; and
power conversion circuitry configured to:
convert a first portion of the input power to welding power;
output the welding power to a weld circuit;
convert a second portion of the input power to alternating current (AC) inductive heating power; and
output the preheating power to an induction preheater.