Disclosed herein are advantageous phase separator devices, and related methods of fabrication and use thereof. The present disclosure provides improved phase separator devices for phase separation of feedstreams, and improved systems/methods for utilizing and fabricating the phase separator devices. More particularly, the present disclosure provides porous (e.g., three-dimensional gradient porous) phase separator devices for phase separation of fluid mixtures (e.g., to separate a two-phase fluid mixture) to a first fluid phase flow (e.g., to a liquid flow) and to a second fluid phase flow (e.g., to a gas flow). At least a portion of the phase separator devices of the present disclosure can be fabricated via machining, powder metallurgy (e.g., sintering), and/or produced utilizing additive manufacturing techniques.

A heat pump includes a condenser for condensing compressed working vapor, a gas trap coupled to the condenser via a foreign gas feed inlet and including: a housing having a foreign gas feed entrance, a working liquid feed inlet within the housing; a working liquid discharge outlet within the housing, and a pump for pumping off gas from the housing, wherein the housing, the working liquid feed inlet and the working liquid discharge outlet are configured such that during operation, a working liquid flow takes place, within the housing, from the working liquid feed inlet to the working liquid discharge outlet, and wherein the working liquid feed inlet is coupled to the heat pump so as to direct, during operation of the heat pump, working liquid which is colder than a working liquid within the condenser.

A refrigeration system includes a vapor compression loop and a purge system in communication with the vapor compression loop. The purge system includes at least one separator for separating contaminants from a purge gas provided from the vapor compression loop to the separator. The at least one separator has a vertical orientation.

A device for reducing gas density in a liquid phase refrigerant in a refrigeration system is provided, the device comprising; a fluid inlet; a first outlet; a second outlet; a conduit, linking the fluid inlet to the first and second outlets; and a baffle, arranged within the conduit between the accelerator and the first outlet; wherein, the accelerator is configured to accelerate fluid from the fluid inlet towards the outlets, thereby separating out saturated gas in the fluid to reduce the gas density in the fluid; and the baffle is configured to direct the flow of lower gas density fluid towards the second outlet, and allows higher gas density fluid to pass around the baffle towards the first outlet. By providing a device in this manner, the energy efficiency and quality of refrigeration in a refrigeration system is improved.

The present invention relates to an air-vapor separation method for separating air from refrigerant vapor in an immersed liquid-cooling system. The immersed liquid-cooling system comprises an immersed server blade cabinet, a condensing device, an air-vapor separator and a refrigerant storage tank, wherein the refrigerant storage tank supplies a liquid refrigerant to the immersed server blade cabinet, and the liquid refrigerant undergoes a phase change to be vaporized into a refrigerant vapor for cooling of the heating element in the immersed server blade cabinet; the condensing device condenses the refrigerant vapor; the air-vapor separator separates a mixed gas in the immersed liquid-cooling system into the air and the refrigerant vapor. The cooling efficiency of the liquid-cooling system is improved by effectively separating the air from the refrigerant vapor in the liquid-cooling system.

Embodiments of the present disclosure relate to a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system including a refrigerant loop and a purge system configured to purge the HVAC&R system of non-condensable gases. The purge system includes a liquid pump configured to draw a first refrigerant flow from an evaporator, a controllable expansion valve configured to receive the first refrigerant flow from the liquid pump and reduce a temperature of the first refrigerant flow, and a purge heat exchanger, which includes a purge coil. The purge coil is configured to receive the first refrigerant flow from the controllable expansion valve, a chamber of the purge heat exchanger is configured to draw a mixture of the non-condensable gases and a second refrigerant flow from a condenser, and the purge heat exchanger is configured to separate the non-condensable gases from the second refrigerant flow utilizing the first refrigerant flow.

Provided is a refrigerant container having a rational structure with a small number of components, the container having both the functions of a receiver and an accumulator. Specifically, the refrigerant container includes a tank 10 capable of temporarily storing a refrigerant; and a gas/liquid inlet port 15, a liquid-phase outlet port 16, and a gas-phase outlet port 17 that are provided in a lower portion of the tank 10. The refrigerant container 1 is adapted to separate a refrigerant introduced through the gas/liquid inlet port 15 into a liquid-phase refrigerant and a gas-phase refrigerant, and has the function of a receiver that guides only the liquid-phase refrigerant after the separation to the side of an expansion valve via the liquid-phase outlet port 16, and the function of an accumulator that guides the gas-phase refrigerant after the separation to the suction side of a compressor via the gas-phase outlet port 17 together with oil contained in the liquid-phase refrigerant.

The purpose of the present invention is to provide a control device which is for an extraction device, and is capable of estimating the total amount of air intrusion more accurately and optimizing the operation of the extraction device. A control device (7) that controls an extraction device (6) provided in a refrigerator (1) is provided with: an estimating unit that estimates the total amount of air intruding into the refrigerator (1); a determining unit that determines whether or not the total amount of air intrusion is equal to or greater than a preset allowable value; an activation control unit (6) that determines an activation duration time of the extraction device (6) on the basis of the total amount of air intrusion when the total amount of air intrusion is equal to or greater than the allowable value, and that activates the extraction device (6) for the activation duration time; an exhaust air amount calculation unit that calculates an amount of exhaust air that is the amount of air actually exhausted by the extraction device (6); and a correction unit that corrects at least one among the total amount of air intrusion and the activation duration time when the difference between the total amount of air intrusion and the amount of exhaust air is equal to or larger than a predetermined amount.

A refrigeration unit for use with a container. The refrigeration unit includes a compressor, a condenser, an expansion device and an evaporator configured to circulate a refrigerant; a condenser section housing the compressor and the condenser; an evaporator section housing the evaporator; an atmosphere control system including an air compressor configured to generate compressed air; a separator configured to receive the compressed air and output nitrogen; the air compressor located in the condenser section; the separator located in the evaporator section.

A modulator assembly may include a modulator tube, a magnetic end cap, a desiccant bag, and at least one magnet. The desiccant bag houses a plurality of desiccant beads and is disposed within the modulator tube. The at least one magnet is disposed in the desiccant bag and engages the magnetic end cap to position the desiccant bag against the end cap.