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.
Patent No.:
Date of Patent:
Nov. 11, 2025
Filed:
May. 23, 2023
Applicant:
The Esab Group, Inc., North Bethesda, MD (US);
Inventor:
Erik Anthony Leger, Newmarket, NH (US);
Assignee:
THE ESAB GROUP, INC., North Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H05H 1/28 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20927 (2013.01); H05H 1/28 (2013.01); H05K 7/20263 (2013.01);
Abstract
Systems and methods for controlling the junction temperature of one or more IGBTs that are configured to deliver current to an electrode of a torch. The IGBTs are cooled by a fluid that flows through a heat exchanger where the fluid is cooled. According to one aspect, when the IGBTs are turned off to cease the delivery of current to the electrode, or at a time interval before the IGBTs are turned off, at least a portion of the fluid is diverted away from the heat exchanger for the purpose of reducing junction temperature fluctuations in the IGBTs.