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. 24, 2015
Filed:
Sep. 06, 2012
Applicants:
Carsten Hohl, Hannover, DE;
Helmut G. Benning, Hannover, DE;
Inventors:
Carsten Hohl, Hannover, DE;
Helmut G. Benning, Hannover, DE;
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/10 (2006.01); F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 2/107 (2006.01); F04C 15/00 (2006.01); F04C 13/00 (2006.01);
U.S. Cl.
CPC ...
F04C 2/1073 (2013.01); F04C 15/00 (2013.01); F04C 2/1071 (2013.01); F04C 2/1075 (2013.01); F04C 13/008 (2013.01); F04C 2230/91 (2013.01); F05C 2203/08 (2013.01); F05C 2225/00 (2013.01); F05C 2251/02 (2013.01); F05C 2251/10 (2013.01);
Abstract
An apparatus for use in a wellbore may include a stator having a bore and a rotor disposed in the bore. Either or both of the rotor and the stator may include a layer that has an asymmetrical material property profile along at least a portion of a circumference of that layer.