US 12,276,447 B2
Refrigeration system with high speed rotary pressure exchanger
Azam Mihir Thatte, Kensington, CA (US)
Assigned to Energy Recovery, Inc., San Leandro, CA (US)
Filed by Energy Recovery, Inc., San Leandro, CA (US)
Filed on Mar. 29, 2024, as Appl. No. 18/622,560.
Application 18/622,560 is a continuation of application No. 17/872,786, filed on Jul. 25, 2022, granted, now 11,982,481.
Application 17/872,786 is a continuation of application No. 16/926,328, filed on Jul. 10, 2020, granted, now 11,421,918, issued on Aug. 23, 2022.
Prior Publication US 2024/0263848 A1, Aug. 8, 2024
Int. Cl. F25B 9/00 (2006.01); F25B 39/00 (2006.01); F25B 41/20 (2021.01); F25B 43/04 (2006.01); F25B 49/02 (2006.01)
CPC F25B 9/008 (2013.01) [F25B 39/00 (2013.01); F25B 41/20 (2021.01); F25B 43/043 (2013.01); F25B 49/02 (2013.01); F25B 2309/06 (2013.01); F25B 2309/061 (2013.01); F25B 2400/23 (2013.01); F25B 2600/2515 (2013.01); F25B 2700/19 (2013.01); F25B 2700/21 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A refrigeration system comprising:
a heat exchanger comprising a gas cooler or condenser, the heat exchanger comprising:
a heat exchanger inlet; and
a heat exchanger outlet;
an evaporator comprising:
an evaporator inlet; and
an evaporator outlet;
a compressor comprising:
a compressor inlet fluidly coupled to the evaporator outlet; and
a compressor outlet fluidly coupled to the heat exchanger inlet; and
a pressure exchanger (PX), wherein the PX is a rotary liquid piston compressor (LPC), wherein the PX comprises:
a first PX inlet fluidly coupled to the heat exchanger outlet;
a first PX outlet fluidly coupled to the heat exchanger inlet;
a second PX inlet fluidly coupled to the evaporator outlet; and
a second PX outlet fluidly coupled to the evaporator inlet.