US RE50,310 E1
Hazardous location cooling system and method for use thereof
Justin Greubel, Greensburg, PA (US); and Adam Tokarski, Greensburg, PA (US)
Assigned to Ice Qube, Inc., Greensburg, PA (US)
Filed by Ice Qube, Inc., Greensburg, PA (US)
Filed on Oct. 8, 2021, as Appl. No. 17/497,222.
Application 17/497,222 is a continuation of application No. 16/071,061, granted, now 10,292,305, issued on May 14, 2019, previously published as PCT/US2018/013442, filed on Jan. 12, 2018.
Application 17/497,222 is a reissue of application No. 16/376,912, filed on Apr. 5, 2019, granted, now 10,440,856, issued on Oct. 8, 2019.
Claims priority of provisional application 62/446,041, filed on Jan. 13, 2017.
Int. Cl. H05K 7/20 (2006.01); F24F 1/027 (2019.01); F24F 8/10 (2021.01); F24F 13/22 (2006.01)
CPC H05K 7/202 (2013.01) [F24F 8/10 (2021.01); F24F 1/027 (2013.01); F24F 13/222 (2013.01); H05K 7/206 (2013.01); H05K 7/20609 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cooling unit, comprising:
a housing configured to attach to an enclosure opening in a sealed manner [ to form closed-loop cooling circulation between first and second enclosure side compartments of the housing and an interior of the enclosure] , wherein the enclosure houses heat generating electrical equipment;
the housing comprising:
a first ambient side area [ compartment ] comprising a compressor, condensing coils, and an ambient air intake and outlet;
a first enclosure side area [ compartment ] situated above the first ambient side area [ compartment ] and comprising an electrical box that includes one or more relays and a digital controller;
[ the first enclosure side compartment comprising a plate oriented horizontally that separates the first enclosure side compartment from the first ambient side compartment; ]
a second enclosure side area [ compartment ] extending along the [ a ] rear side of the housing [ , downward and parallel with the first ambient side compartment, ] and communicating with the first enclosure side area [ compartment] , [ the second enclosure side compartment ] comprising [ a fan or ] an impeller, an enclosure air intake, an enclosure air return, and evaporator coils in fluid communication with the condensing coils; and
a second ambient side area [ compartment situated below the second enclosure side compartment and ] comprising [ a fan or ] an impeller and one or more hot air exhausts;
[ the first and second ambient side compartments communicating with one another; ]
wherein all components of the cooling unit are non-sparking and non-arcing and the first and second enclosure side areas [ compartments ] do not require purging of hazardous air; and
wherein the first and second ambient side areas [ compartments ] are sealed off from the first and second enclosure side areas [ compartments] .