US 12,404,877 B2
Pressure exchangers with fouling and particle handling capabilities
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); and Sujan Reddy Gudigopuram, San Ramon, CA (US)
Assigned to Energy Recovery, Inc., San Leandro, CA (US)
Appl. No. 18/849,446
Filed by Energy Recovery, Inc., San Leandro, CA (US)
PCT Filed Mar. 24, 2023, PCT No. PCT/US2023/016296
§ 371(c)(1), (2) Date Sep. 20, 2024,
PCT Pub. No. WO2023/183612, PCT Pub. Date Sep. 28, 2023.
Claims priority of provisional application 63/323,462, filed on Mar. 24, 2022.
Prior Publication US 2025/0188957 A1, Jun. 12, 2025
Int. Cl. 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)
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)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a pressure exchanger comprising:
a rotor configured to exchange pressure between a first fluid and a second fluid;
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; and
one or more first valves coupled to the one or more flushing outlets, wherein the one or more first valves in an open position are associated with a flushing operation, and wherein the one or more first valves in a closed position are associated with a lubrication operation.