A cooling device includes an immersion tank to store a coolant where an electronic component is immersed and cause the coolant to evaporate by heat from the electronic component into vapor, a condenser tube including a starting end to which the vapor is supplied and a termination end from which the condensed vapor is discharged, an isolating part arranged in a midway part of the condenser tube, a coolant tank to accommodate the termination end of the condenser tube and the isolating part inside and store the coolant discharged from the condenser tube, an air tube that has a starting end coupled to the coolant tank and a termination end coupled to the starting end of the condenser tube, a liquid tube to supply the coolant from the coolant tank to the immersion tank, and a steam tube to supply the vapor from the immersion tank to the condenser tube.

An environmental control system (ECS) pack is provided including a primary heat exchanger and a secondary heat exchanger. An air cycle machine is arranged in fluid communication with at least one of the primary and second heat exchanger. The air cycle machine includes a compressor and a plurality of turbines. Discharged cabin air is supplied to at least one of the plurality of turbines to operate the compressor.

In a phase-change cooling apparatus including an indoor unit and an outdoor unit, a configuration to prevent dew condensation in the indoor unit causes the cooling performance to decrease; therefore, a refrigerant circulating apparatus according to an exemplary aspect of the present invention includes refrigerant-liquid thermal equilibrium means for mixing a first refrigerant liquid with a second refrigerant liquid and sending a reflux refrigerant liquid composed of the first refrigerant liquid and the second refrigerant liquid, the first refrigerant liquid being a liquid-phase refrigerant included in a gas-liquid two-phase refrigerant flowing in from heat receiving means, the second refrigerant liquid arising due to the gas-liquid two-phase refrigerant cooled by heat radiating means; a refrigerant passage configured for the gas-liquid two-phase refrigerant and the reflux refrigerant liquid to circulate between the heat receiving means and the refrigerant-liquid thermal equilibrium means; refrigerant-liquid reflux means for refluxing the reflux refrigerant liquid to the heat receiving means through the refrigerant passage; and refrigerant-liquid flow control means for controlling a flow rate of the reflux refrigerant liquid.

In a phase-change cooling apparatus including an indoor unit and an outdoor unit, a configuration to prevent dew condensation in the indoor unit causes the cooling performance to decrease; therefore, a refrigerant circulating apparatus according to an exemplary aspect of the present invention includes refrigerant-liquid thermal equilibrium means for mixing a first refrigerant liquid with a second refrigerant liquid and sending a reflux refrigerant liquid composed of the first refrigerant liquid and the second refrigerant liquid, the first refrigerant liquid being a liquid-phase refrigerant included in a gas-liquid two-phase refrigerant flowing in from heat receiving means, the second refrigerant liquid arising due to the gas-liquid two-phase refrigerant cooled by heat radiating means; a refrigerant passage configured for the gas-liquid two-phase refrigerant and the reflux refrigerant liquid to circulate between the heat receiving means and the refrigerant-liquid thermal equilibrium means; refrigerant-liquid reflux means for refluxing the reflux refrigerant liquid to the heat receiving means through the refrigerant passage; and refrigerant-liquid flow control means for controlling a flow rate of the reflux refrigerant liquid.

Provided is a cooling system capable of improving the cooling performances of a plurality of electronic apparatuses, of making stabilization by eliminating the variance in the cooling performances and of being improved in the handling and maintainability of the electronic apparatuses. A plurality of inner partitioning walls are provided in a cooling tank having an open space defined by a bottom wall and side walls to divide the open space, and a plurality of arrayed storage sections are defined. An electronic apparatus is stored in each of the storage sections. Each of the storage sections is formed with an inflow opening and an outflow opening for the cooling liquid. The inflow opening is formed at a bottom portion or a side surface of each storage section, and the outflow opening is formed in the vicinity of the liquid level of the cooling liquid flowing through each storage section.

Provided is a cooling system capable of improving the cooling performances of a plurality of electronic apparatuses, of making stabilization by eliminating the variance in the cooling performances and of being improved in the handling and maintainability of the electronic apparatuses. A plurality of inner partitioning walls are provided in a cooling tank having an open space defined by a bottom wall and side walls to divide the open space, and a plurality of arrayed storage sections are defined. An electronic apparatus is stored in each of the storage sections. Each of the storage sections is formed with an inflow opening and an outflow opening for the cooling liquid. The inflow opening is formed at a bottom portion or a side surface of each storage section, and the outflow opening is formed in the vicinity of the liquid level of the cooling liquid flowing through each storage section.

A method for controlling an aircraft air conditioning system includes the steps of detecting an operating state of an air conditioning unit of the aircraft air conditioning system and controlling the temperature of a process air mass flow supplied to the air conditioning unit in dependence on the operating state of the air conditioning unit.

An environmental control system for an aircraft includes a bleed air system. Also included is a ram air system. Further included is an air pressure and temperature conditioning system, wherein bleed air and ram air are mixed to satisfy a cabin fresh air requirement.

Provided is a liquid supply system that can suppress a functional decline of relief valves and improve cooling efficiency. The system includes a sealed container (110), a pump (120) disposed in a cryogenic liquid (L) contained inside the sealed container (110) and driven by a linear actuator (130), a first conduit (K1) for directing the cryogenic liquid (L) pumped out by the pump (120) to a cooled device (300) provided outside the sealed container (110), a second conduit (K2) for returning the cryogenic liquid (L) from the cooled device (300) into the sealed container (110), and a relief valve (170) that is connected to the first conduit (K1) within the sealed container (110) and releases the cryogenic liquid (L) into the sealed container (110).

A magnetic field fresh-keeping apparatus and an air-cooled refrigeration device. The magnetic field fresh-keeping apparatus comprises a drawer container, a drawer, a magnet assembly, and a waterproof structure. The front side of the drawer container has an opening. The drawer is slidably mounted within the drawer container. The magnet assembly comprises a first magnet and a second magnet disposed on opposite sides of the drawer container. The magnet mounting cavity comprises a first mounting cavity for accommodating the first magnet and a second mounting cavity for accommodating the second magnet, and the first mounting cavity and the second mounting cavity are both configured to allow an airflow to pass through so as to cool the first magnet and the second magnet. The waterproof structure is configured to waterproof the magnet assembly.