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:
Jul. 30, 2019
Filed:
Nov. 17, 2014
Applicant:
Coreteq Systems Ltd., Bagshot, GB;
Inventors:
Philip Head, Virginia Water, GB;
Hassan Mansir, Maidenhead, GB;
Assignee:
Coreteq Systems Ltd., Surrey, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/46 (2006.01); H02K 5/132 (2006.01); H02K 7/00 (2006.01); H02K 17/16 (2006.01); H02K 1/27 (2006.01); H02K 16/00 (2006.01);
U.S. Cl.
CPC ...
H02K 21/46 (2013.01); H02K 1/276 (2013.01); H02K 5/132 (2013.01); H02K 7/003 (2013.01); H02K 16/00 (2013.01); H02K 17/165 (2013.01);
Abstract
A rotor system for a downhole motor comprises a set of permanent magnets, a set of conductors and a pair of end conductor rings connecting the set of conductors. The set of permanent magnets and the set of conductors being substantially coaxial and having the substantially the same linear extent. The set of permanent magnets can be located radially inwards from the set of conductors, and may be provided by discrete conductive bars.