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:
Aug. 19, 2025
Filed:
Feb. 04, 2023
GM Global Technology Operations Llc, Detroit, MI (US);
Yilun Luo, Ann Arbor, MI (US);
Chandra S. Namuduri, Troy, MI (US);
Suresh Gopalakrishnan, Troy, MI (US);
Muhammad H. Alvi, Troy, MI (US);
Azadeh Narimissa, Lake Orion, MI (US);
William T. Ivan, Shelby Township, MI (US);
Saranraj Karuppuswami, Troy, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A choke device for an electric machine system is provided. The choke device includes a common-mode choke including a magnetic core configured in cross-section as a geometric shape including a hollow center. The choke device further includes a plurality of electric transmission lines configured for transmitting electrical energy in alternating current, wherein the plurality of electric transmission lines is routed through the hollow center. The geometric shape includes a number of sides based upon a number of the electric transmission lines present and is configured for minimizing or reducing an overall flux length of the magnetic core.