US 11,852,389 B2
Refrigeration system with flexible high pressure hose assembly
Senthilkumar Kandappa Goundar Shanmugam, Covington, GA (US)
Assigned to Hill Phoenix, Inc., Conyers, GA (US)
Filed by Hill Phoenix, Inc., Conyers, GA (US)
Filed on Mar. 12, 2020, as Appl. No. 16/817,222.
Prior Publication US 2021/0285702 A1, Sep. 16, 2021
Int. Cl. F25B 41/40 (2021.01); F25B 9/00 (2006.01)
CPC F25B 41/40 (2021.01) [F25B 9/008 (2013.01); F25B 2309/06 (2013.01); F25B 2339/0242 (2013.01); F25B 2500/13 (2013.01); F25B 2500/22 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A CO2 refrigeration system, comprising:
a receiving tank configured to contain a quantity of liquid and gaseous CO2;
a condenser fluidly coupled to the receiving tank;
a low temperature system fluidly coupled to the receiving tank, the low temperature system comprising:
a plurality of low temperature evaporators;
a plurality of low temperature expansion valves;
a plurality of low temperature compressors;
a low temperature suction header;
a low temperature discharge header; and
a plurality of flexible low temperature conduits fluidly coupling the low temperature compressors to the low temperature discharge header and the low temperature suction header, each of the plurality of flexible low temperature conduits having a burst pressure of up to 140 bar, at least one of the plurality of flexible low temperature conduits comprises a respective flexible low temperature conduit-quick connect;
a medium temperature system fluidly coupled to the receiving tank and the low temperature system, the medium temperature system comprising:
a plurality of medium temperature evaporators;
a plurality of medium temperature expansion valves;
a plurality of medium temperature compressors;
a medium temperature suction header;
a medium temperature discharge header; and
a plurality of flexible medium temperature conduits fluidly coupling the medium temperature compressors to the medium temperature discharge header and the medium temperature suction header, each of the plurality of flexible medium temperature conduits having a burst pressure of up to 140 bar, at least one of the plurality of flexible medium temperature conduits comprises a respective flexible medium temperature conduit-quick connect;
one or more vibration sensors coupled to the respective flexible medium temperature conduit-quick connect and configured to communicate a signal representative of vibration; and
a controller configured to perform operations comprising:
identifying the signal representative of vibration; and
based on the signal representative of vibration, calculating a potential end of life point for at least one of the plurality of flexible medium temperature conduits.