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:
Nov. 14, 2023
Filed:
Jul. 08, 2020
Applicant:
Fisher & Paykel Appliances Limited, Auckland, NZ;
Inventors:
Matheus Alexandre Bevilaqua, Auckland, NZ;
James Elliott Cameron, Auckland, NZ;
Hai Lan, Auckland, NZ;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/02 (2006.01); H02K 1/17 (2006.01); H02K 1/2753 (2022.01); H02K 7/14 (2006.01); H02K 21/16 (2006.01);
U.S. Cl.
CPC ...
H02K 21/025 (2013.01); H02K 1/17 (2013.01); H02K 1/2753 (2013.01); H02K 7/14 (2013.01); H02K 21/16 (2013.01); H02K 2201/03 (2013.01);
Abstract
An electric motor having low vibration and/or noise comprises a rotor or stator comprising permanent magnets each comprising at least two pole pairs, with an internal flux gap within the permanent magnets between adjacent internal pole pairs. The internal flux gap between the internal pole pairs may be similar to an external pole to pole physical spacing between adjacent poles of adjacent magnets. The motor is suitable for use in for example a laundry washing machine or dryer or washer-dryer.