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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 10190585 B1

PDFFull Text
Expired
Date of Patent:
Jan. 29, 2019

Filed:

Jun. 08, 2016

Multi-stage pump assembly having a pressure controlled valve for controlling recirculation of fluid from the pump stage outlet to the pump stage inlet

Applicant:

Bp Exploration Operating Company Limited, Middlesex, GB;

Inventor:

Mark Joseph Denny, Dorset, GB;

Assignee:

BP EXPLORATION OPERATING COMPANY LIMITED, Middlesex, GB;

Attorney:

Conley Rose, P.C.

Primary Examiner:

Theresa Trieu

Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 18/00 (2006.01); F04C 14/24 (2006.01); F04C 18/48 (2006.01); F04C 18/16 (2006.01); F04C 28/10 (2006.01); F04C 2/16 (2006.01); F04C 11/00 (2006.01); F04C 13/00 (2006.01); F04C 14/26 (2006.01); F04C 18/08 (2006.01); F04C 28/26 (2006.01); F04C 15/06 (2006.01); F04C 23/00 (2006.01); F04C 28/24 (2006.01); F04C 29/12 (2006.01);
U.S. Cl.
CPC ...
F04C 14/24 (2013.01); F04C 2/16 (2013.01); F04C 11/001 (2013.01); F04C 13/008 (2013.01); F04C 14/26 (2013.01); F04C 15/064 (2013.01); F04C 18/08 (2013.01); F04C 18/16 (2013.01); F04C 18/48 (2013.01); F04C 23/001 (2013.01); F04C 28/10 (2013.01); F04C 28/24 (2013.01); F04C 28/26 (2013.01); F04C 29/124 (2013.01); F04C 2210/24 (2013.01); F04C 2240/70 (2013.01);
Abstract

The invention provides a pump comprising a pump inlet, a pump outlet, at least two threaded rotors and a pressure controlled valve, the pressure controlled valve being capable of controlling re-circulation of fluid from the pump outlet to the pump inlet. The pressure controlled valve can be a control valve. The invention also provides a multiple stage pump assembly comprising at least two pumps arranged in series, wherein at least one of the pumps is the aforementioned pump.

Find Patent Forward Citations

Denny, Mark. (2019). Multi-stage pump assembly having a pressure controlled valve for controlling recirculation of fluid from the pump stage outlet to the pump stage inlet (U.S. Patent No. 10190585). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10190585

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

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