Method and apparatus for providing welding type power

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United States of America Patent

PATENT NO 9862052
SERIAL NO

14469788

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Abstract

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A welding-type power supply includes a controller, a preregulator, a preregulator bus, and an output converter. The controller has a preregulator control output and an output converter control output. The preregulator receives a range of inputs voltages as a power input, and receives the preregulator control output as a control input, and provides a preregulator power output signal. The preregulator includes a plurality of stacked boost circuits. The preregulator bus receives the preregulator output signal. The output converter receives the preregulator bus as a power signal and receives the output converter control output as a control input. The output converter provides a welding type power output, and includes at least one stacked inverter circuit.

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Patent Owner(s)

Patent OwnerAddress
ILLINOIS TOOL WORKS INCGLENVIEW IL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vogel, Bernard J Troy, US 64 1244

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