The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 18, 2020

Filed:

Dec. 15, 2017
Applicant:

Lincoln Global, Inc., Santa Fe Springs, CA (US);

Inventors:

Todd E. Kooken, Solon, OH (US);

Lifeng Luo, Solon, OH (US);

Matthew J. Krueger, Medina, OH (US);

Assignee:

LINCOLN GLOBAL, INC., Santa Fe Springs, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 9/09 (2006.01); B23K 9/10 (2006.01); B23K 9/173 (2006.01);
U.S. Cl.
CPC ...
B23K 9/1075 (2013.01); B23K 9/09 (2013.01); B23K 9/091 (2013.01); B23K 9/093 (2013.01); B23K 9/1043 (2013.01); B23K 9/173 (2013.01);
Abstract

A three stage power source for an electric arc welding process comprising an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal and converts the first DC output signal to a second DC output signal of the second stage; and a third stage to convert the second DC output signal to a welding output for welding wherein the input stage and the second stage are assembled into a first module within a first housing structure and the third stage is assembled into a second module having a separate housing structure connectable to the first module with long power cables. The second module also includes wire feeding systems and electronics.


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