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:
Oct. 12, 2021

Filed:

Sep. 20, 2019
Applicant:

Helix Power Corporation, Somerville, MA (US);

Inventors:

Matthew L. Lazarewicz, Boxford, MA (US);

Jay L. Cummings, Cincinnati, OH (US);

Assignee:

Helix Power Corporation, Somerville, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 1/16 (2006.01); H02K 5/16 (2006.01); H02K 7/02 (2006.01); H02K 9/16 (2006.01);
U.S. Cl.
CPC ...
H02K 1/2786 (2013.01); H02K 1/16 (2013.01); H02K 5/16 (2013.01); H02K 7/025 (2013.01); H02K 9/16 (2013.01);
Abstract

Composite rotors provided herein include a rotor body extending along a longitudinal axis including a first component extending longitudinally along at least a portion of the rotor body and a second component extending longitudinally along at least a portion of the rotor body, at least a portion of the second component disposed concentrically around the first component, wherein the first component and the second component together define an internal region, wherein a radial thickness of the first component and a radial thickness of the second component vary along the longitudinal axis. The composite rotor also includes at least one magnet disposed on an inner surface of at least one of the first component or the second component within the internal region.


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