US 10,167,712 B2
Rotary isobaric pressure exchanger system with flush system
Farshad Ghasripoor, Berkeley, CA (US); Jeremy Grant Martin, Oakland, CA (US); and Prem Krish, Foster City, CA (US)
Assigned to ENERGY RECOVERY, INC., San Leandro, CA (US)
Filed by ENERGY RECOVERY, INC., San Leandro, CA (US)
Filed on Aug. 7, 2017, as Appl. No. 15/670,590.
Application 15/670,590 is a continuation of application No. 14/586,565, filed on Dec. 30, 2014, granted, now 9,739,128.
Claims priority of provisional application 61/922,598, filed on Dec. 31, 2013.
Claims priority of provisional application 61/922,442, filed on Dec. 31, 2013.
Prior Publication US 2017/0335668 A1, Nov. 23, 2017
Int. Cl. E21B 43/26 (2006.01); F04F 13/00 (2009.01)
CPC E21B 43/26 (2013.01) [F04F 13/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a rotary isobaric pressure exchanger (IPX) configured to exchange pressures between a first fluid and a second fluid, wherein the rotary IPX comprises a rotor, a sleeve surrounding the rotor, a first end cap, and a second end cap; and
a flush system configured to remove particulate out of the rotary IPX, the flush system is configured to pump a third fluid into a gap between the sleeve and the rotor.