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. 18, 2014
Filed:
Dec. 20, 2010
Applicant:
Michael J. Guidry, Jr., Hockley, TX (US);
Inventor:
Michael J. Guidry, Jr., Hockley, TX (US);
Assignee:
Robbins & Myers Energy Systems L.P., Willis, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C 1/22 (2006.01); F04C 2/08 (2006.01); F04C 2/107 (2006.01);
U.S. Cl.
CPC ...
F01C 1/22 (2013.01); F04C 2/1075 (2013.01);
Abstract
A progressing cavity pump/motor () includes a stator housing (), a polymeric layer (), and a rotor (). A plurality of axially extending grooves () are formed in the interior surface of the stator housing for receiving polymeric material therein. At least one seal gland () adjacent an end of the polymeric layer maintains sealing between the stator housing and the polymeric layer.