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. 02, 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., Bagshot, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 17/34 (2006.01); E21B 43/12 (2006.01); H02K 5/132 (2006.01); H02K 21/00 (2006.01);
U.S. Cl.
CPC ...
H02K 17/34 (2013.01); E21B 43/128 (2013.01); H02K 5/132 (2013.01); H02K 21/00 (2013.01);
Abstract
A downhole electric submersible pump, with at least one pump unit having a pump inlet, and an electric motor system to power the pump, the electric motor system comprising an induction motor and permanent magnet motor. The induction motor and permanent magnet motor share a common power supply, connected in series.