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:
Apr. 28, 2026
Filed:
Aug. 18, 2022
National Oilwell Varco, L.p., Houston, TX (US);
Geoffrey Alexander Pickett, Sugar Land, TX (US);
Nicholas Craig Newman, Montgomery, TX (US);
Mitchell Ryan Benson, Houston, TX (US);
Nicholas Owen Babyak, College Station, TX (US);
David Fernando Samano, College Station, TX (US);
Christopher Gomez, College Station, TX (US);
Shuo Liu, Sugar Land, TX (US);
Ci He, Houston, TX (US);
National Oilwell Varco, L.P., Houston, TX (US);
Abstract
A magnetic transmission system includes an outer gear ring including an outer plurality of permanent magnets and configured to rotate about a rotational drive axis, an inner gear ring positioned within the outer gear ring and including an inner plurality of permanent magnets magnetically coupled to the outer plurality of permanent magnets, and an eccentric bearing assembly configured to convert orbital motion of the inner gear ring about the rotational drive axis into rotational motion of the eccentric bearing assembly about a bearing rotational axis that is radially offset from the rotational drive axis, and a first drive shaft coupled to the outer gear ring and a second drive shaft coupled to the inner gear ring, wherein the outer gear ring and the inner gear ring are configured to provide a gear ratio between the first drive shaft and the second drive shaft.