A cooling system for an aircraft includes an air intake, an expansion device, and an
evaporator. A first heat exchanger receives air passing into the air intake when the aircraft is …

A carbon dioxide refrigerant vapor compression system and method of operating that system
are provided. The refrigerant vapor compression system includes a compression device, a …

(57) ABSTRACT A cooling system includes a first heat exchanger, an evapo rator coupled to
a thermal load of an aircraft. first and second cooling circuits coupled to the heat exchanger …

BACKGROUND It has become increasingly desirable to improve cooling systems in
aerospace applications. Typically, cooling sys tems provide air conditioning, refrigeration …

(57) ABSTRACT A cooling system for an aircraft includes a first cooling circuit having a first
evaporator and a second evaporator, and a second cooling circuit having a third evaporator …

A thermal management system includes a closed dynamic cooling circuit, and a closed first
steady-state cooling circuit. Each circuit has its own compressor, heat rejection exchanger …

A combined vapor compression and vapor expansion system uses a common refrigerant
which enables a Super-critical high pressure portion and a Sub-critical low pressure portion …

A cooling system includes a main refrigerant circuit that includes a compressor, a heat
rejection heat exchanger, one of an expander and an expansion device, at least one …

A cooling system includes a first heat exchanger for cooling a refrigerant, an expander
configured to receive the refrigerant from the first heat exchanger at least one compressor …

A cooling system for an aircraft includes an air intake, a heat exchanger configured to
receive air passing into the air intake when the aircraft is operating at Mach speed, and …