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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.:

US 10533578 B1

PDFFull Text
Date of Patent:
Jan. 14, 2020

Filed:

Sep. 07, 2016

Metal-to-metal sealing for diffusers of an electrical submersible well pump

Applicant:

Baker Hughes Incorporated, Houston, TX (US);

Inventors:

Nicholas D. Johnson, Claremore, OK (US);

Ryan Semple, Owasso, OK (US);

Assignee:

Baker Hughes, a GE Company, LLC, Houston, TX (US);

Attorneys:

Bracewell LLP

James E. Bradley

Primary Examiner:

Woody A Lee, Jr

Assistant Examiner:

Sabbir Hasan

Int. Cl.
CPC ...
F04D 13/08 (2006.01); F04D 29/62 (2006.01); E21B 43/12 (2006.01); F04D 29/16 (2006.01); F04D 29/22 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 29/628 (2013.01); E21B 43/128 (2013.01); F04D 13/086 (2013.01); F04D 29/167 (2013.01); F04D 29/22 (2013.01); F04D 29/426 (2013.01); F04D 29/622 (2013.01);
Abstract

A well pump assembly includes a centrifugal pump having a housing with a cylindrical internal side wall. Upper and lower diffusers are located in the housing. A metal-to-metal seal seals an upper end portion of the lower diffuser to the lower end portion of the upper diffuser. The seal also has an outer surface that frictionally engages the internal side wall of the housing. The seal is energized in response to an axial force exerted between the upper and lower diffusers. One version has a metal seal ring located in mating recesses on the outer walls of the diffusers. Another version includes an inner lip on one of the end portions of the diffusers that extends within and deflects an outer lip on the other of the end portions of the diffusers.

Find Patent Forward Citations

Johnson, Nicholas. (2020). Metal-to-metal sealing for diffusers of an electrical submersible well pump (U.S. Patent No. 10533578). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10533578

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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