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:
Mar. 09, 2010
Filed:
Apr. 23, 2007
Applicant:
Gregory Paul Cervenka, Houston, TX (US);
Inventor:
Gregory Paul Cervenka, Houston, TX (US);
Assignee:
Varco I/P, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); H02K 15/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for making a rotor for a permanent magnet motor, the method, in at least certain aspects, including connecting a series of a plurality of guides to a hollow rotor body, the guides spaced-apart and extending longitudinally of the rotor body, the rotor body being generally cylindrical with an interior surface, applying a plurality of magnets to the interior surface of the rotor body, and emplacing a shunt structure over the plurality of magnets to inhibit inter-magnet action during rotor assembly.