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:
Oct. 05, 2021
Filed:
Aug. 31, 2019
Applicant:
Baker Hughes, Houston, TX (US);
Inventors:
Blayne Prine, Tulsa, OK (US);
Gordon Besser, Tulsa, OK (US);
Gary Williams, Tulsa, OK (US);
Craig Cooper, Inola, OK (US);
Vernon Chronister, Tulsa, OK (US);
Jeremy Hillshafer, Tulsa, OK (US);
Assignee:
Baker Hughes, a GE Company, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/28 (2006.01); F04D 15/00 (2006.01); E21B 43/12 (2006.01); H01F 30/06 (2006.01); H01F 27/28 (2006.01); G01R 31/50 (2020.01); H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
F04D 15/0066 (2013.01); E21B 43/128 (2013.01); G01R 31/50 (2020.01); H01F 27/28 (2013.01); H01F 30/06 (2013.01); H02M 3/28 (2013.01); H02M 1/123 (2021.05);
Abstract
A transformer configured for use in connection with a variable speed motor drive includes primary windings and secondary windings. The secondary windings are configured as wye-windings and a ground lead and a plurality of phase leads. The transformer includes a ferrite blocking circuit connected to the ground lead.