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US 2020/0346295 A1Published application
Methods and apparatus to provide welding-type power and preheating power
AssigneeIllinois Tool Works Inc.
InventorCraig Steven Knoener
Life of this patent
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Abstract
An example welding power supply includes: a power input configured to receive alternating current (AC) 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 preheating power; and output the preheating power to a preheater.
Claims16
A welding power supply, comprising:
- a power input configured to receive alternating current (AC) 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 preheating power;
- and
- output the preheating power to a preheater.
5 more elements
Dependencies are inferred from the claim text.