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.

Date of Patent:
Sep. 02, 2025

Filed:

Mar. 24, 2023
Applicant:

Energy Recovery, Inc., San Leandro, CA (US);

Inventors:

Omprakash Samudrala, San Ramon, CA (US);

Raja Faruq Raja Baharuddin, Castro Valley, CA (US);

Alexander Patrick Theodossiou, Alameda, CA (US);

Dung Le Tran, Castro Valley, CA (US);

Sujan Reddy Gudigopuram, San Ramon, CA (US);

Assignee:

Energy Recovery, Inc., San Leandro, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04F 13/00 (2009.01); F04B 53/04 (2006.01); F04B 53/06 (2006.01); F04B 53/18 (2006.01); F16N 31/00 (2006.01); F16N 33/00 (2006.01);
U.S. Cl.
CPC ...
F04F 13/00 (2013.01); F04B 53/04 (2013.01); F04B 53/06 (2013.01); F04B 53/18 (2013.01); F16N 31/00 (2013.01); F16N 2033/005 (2013.01);
Abstract

A system includes a pressure exchanger and one or more valves. The pressure exchanger includes a rotor that is configured to exchange pressure between a first fluid and a second fluid. The pressure exchanger further includes a housing disposed around the rotor, one or more flushing inlets coupled to the housing, and one or more flushing outlets coupled to the housing. The one or more first valves are coupled to the one or more flushing outlets. The one or more first valves in an open position are associated with a flushing operation. The one or more first valves in a closed position are associated with a lubrication operation.


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