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:
Apr. 02, 2024

Filed:

Dec. 16, 2022
Applicant:

Tau Motors, Inc., Redwood City, CA (US);

Inventors:

Walter Wesley Pennington, III, Los Altos, CA (US);

Matthew J Rubin, Indianapolis, IN (US);

Gregory Gordon Stevenson, San Carlos, CA (US);

Michael Parker Owen, Raleigh, NC (US);

Assignee:

TAU MOTORS, INC., San Carlos, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/22 (2006.01); H02K 1/02 (2006.01); H02K 21/16 (2006.01); H02P 7/29 (2016.01);
U.S. Cl.
CPC ...
H02K 1/223 (2013.01); H02K 1/02 (2013.01); H02K 21/16 (2013.01); H02P 7/29 (2013.01); H02P 2207/05 (2013.01);
Abstract

A stator defines multiple stator poles with associated electrical windings. A rotor includes multiple rotor poles. The rotor is movable with respect to the stator and defines, together with the stator, a nominal gap between the stator poles and the rotor poles. The rotor poles includes a magnetically permeable pole material. The rotor also includes a series of frequency programmable flux channels (FPFCs). Each FPFC includes a conductive loop surrounding an associated rotor pole. The stator and the rotor are arranged such that the electrical windings in the stator induce an excitement current within at least one of the FPFCs during start-up.


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