US 11,835,271 B1
Thermal management systems
Igor Vaisman, Carmel, IN (US); and Joshua Peters, Knoxville, TN (US)
Assigned to Booz Allen Hamilton Inc., McLean, VA (US)
Filed by Booz Allen Hamilton Inc., McLean, VA (US)
Filed on Mar. 3, 2020, as Appl. No. 16/807,413.
Claims priority of provisional application 62/813,831, filed on Mar. 5, 2019.
Int. Cl. F25B 19/00 (2006.01); F25B 49/02 (2006.01); F25B 39/02 (2006.01); F25B 41/20 (2021.01)
CPC F25B 19/00 (2013.01) [F25B 39/02 (2013.01); F25B 41/20 (2021.01); F25B 49/022 (2013.01); F25B 2341/0013 (2013.01)] 45 Claims
OG exemplary drawing
 
1. A thermal management system, comprising:
an open-circuit refrigeration system comprising:
a receiver configured to store a refrigerant fluid, the receiver having a receiver outlet;
a liquid separator having an inlet, a vapor side outlet, and a liquid side outlet;
an evaporator having an evaporator inlet and an evaporator outlet, with the evaporator configured to extract heat from a heat load that contacts the evaporator, with the evaporator coupled to the receiver and the liquid separator;
a liquid pump device having a liquid pump device inlet coupled to the liquid side outlet of the liquid separator and having a liquid pump device outlet; and
a vapor pump device having a vapor pump device inlet and a vapor pump device outlet, with the vapor pump device inlet coupled to the vapor side outlet of the liquid separator, with the vapor pump device configured to receive refrigerant vapor from the vapor side outlet of the liquid separator, and pump the received refrigerant vapor to the vapor pump device outlet of the vapor pump device, with at least the receiver, the liquid pump device, the evaporator and the liquid separator connected in an open-circuit refrigerant fluid flow path.