A composite refrigeration system includes a refrigeration part, a heat dissipation part, a first pipeline, a second pipeline, and a refrigerant. The refrigeration part uses the refrigerant to cool air sent into indoor space, and the heat dissipation part is configured to perform heat dissipation on the refrigerant. In addition, in two heat dissipation modes, the heat exchanger may exchange heat between the refrigerant and a heat carrier in an external pipeline network to implement heat dissipation. The composite refrigeration system implements, by using the heat exchanger, a function of exchanging heat with the external pipeline network, so that heat generated during operation of the composite refrigeration system can be at least partially transferred to the heat carrier in the external pipeline network, to implement the energy recycle and reuse.

An immersion cooling system and methods for operating the system are described. The system can comprise a vessel configured to hold thermally conductive, condensable dielectric fluid; a pressure controller to reduce or increase an interior pressure of the vessel; a computer component configured to be at least partially submerged within the dielectric fluid; and a fluid circulation system configured to draw the dielectric fluid from a sump area of the vessel, pass the dielectric fluid through a filter and deliver the dielectric fluid to a bath area of the vessel.

This application provides an evaporative cooling unit. The evaporative cooling unit includes an outdoor channel, an indoor channel, and a heat exchange apparatus, and, further includes: an air filter and a defrosting apparatus that are disposed in the outdoor channel. The defrosting apparatus is located on a side that is of the air filter and that is close to an air intake vent of the outdoor channel. The defrosting apparatus includes a heat exchange film, and the heat exchange film has a first channel and a second channel that are arranged crosswise. The first channel communicates with the air intake vent of the outdoor channel, the second channel communicates with the indoor channel, and the first channel communicates with the second channel. The defrosting apparatus further includes a switch valve, and the switch valve is configured to control the second channel to communicate with the indoor channel.

The present invention provides an attachment for a server rack cooling system having at least one heat exchange condenser, the attachment includes: a pipe extension configured to connect to a portion of the server rack cooling system at which air and refrigerant are able to be transferred into the attachment from the at least one heat exchange condenser; a valve on the pipe extension configured to allow exhaust to the outside through the pipe extension at an open position and to block exhaust to the outside at a closed position; and an sensor disposed at a position inside of the pipe extension between the at least one heat exchange condenser and the valve and configured to provide a detection signal determined by a presence of fluid at the position of the sensor; wherein, the valve is opened and closed based on the detection signal from the sensor.

A data center includes a refrigerant induction pipe surrounding one or more regions of the data center, a refrigerant supply device suitable for supplying a refrigerant to the refrigerant induction pipe, the refrigerant having a vaporization temperature corresponding to a pseudo cryogenic temperature, a plurality of racks disposed in the one or more regions, and a plurality of rotating devices, each rotating device being suitable for rotating a corresponding one of the plurality of racks.

A system includes one or more modular hot aisle cooling units (MHACUs) disposed in a data hall, each MHACU configured to cool one or more servers in the data hall. The system also includes a fluid cooler configured to receive the heated fluid from the one or more MHACUs, cool the heated fluid into cooled fluid, and output the cooled fluid. The system also includes a fluid supply line configured to convey the cooled fluid to the one or more MHACUs in order to cool heated air inside the data hall. The system also includes a pump package configured to control a flow of the heated fluid and the cooled fluid. The fluid cooler, the one or more MHACUs, and the pump package form a single fluid loop.

A cooling device comprising a cooling circuit comprising a compressor, which is adapted to compress cooling agent in the cooling circuit during an active cooling mode, wherein the compressed cooling agent contains lubricant oil from the compressor; a condensing unit, which is connected to the compressor by a first fluid line of the cooling circuit; an evaporator, which comprises a top part, a bottom part, and a plurality of evaporating tubes connecting the top part with the bottom part, wherein the top part is connected to the condensing unit by a second fluid line of the cooling circuit, and wherein the bottom part is connected to the compressor by a third fluid line of the cooling circuit.

An electronic rack includes condensing, coolant distribution, and server regions. The condensing region includes a condensing container housing condensing coils and a coolant container to contain two phase coolant. The coolant distribution region includes a set of rack manifolds having at least a rack liquid supply line to receive coolant from the coolant distribution region, and a vapor line to return vapor to the coolant distribution region, a liquid return line. The server region is coupled to the condensing region and the coolant distribution region, the server region includes a number of server slots to receive a number of servers, where each of the servers is at least partially submerged within two phase liquid coolant, where, when the servers operate, the servers generate heat that is extracted by the two phase liquid coolant thereby causing at least some of the two phase liquid coolant to turn into a vapor.

Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, a refrigerant-to-refrigerant heat exchanger (R2RHX) interfaces between a first refrigerant cooling loop and a second refrigerant cooling loop to enable transfer of heat from a cold plate of a first refrigerant cooling loop to a second refrigerant cooling loop using a first condenser unit, and so that a second refrigerant cooling loop enables dissipation of heat to an ambient environment from a second condenser unit.

A thermal management system for cooling electronic devices includes an immersion cooling system, a vapor buffer tank, and a liquid buffer tank. The immersion cooling system includes an immersion tank defining an immersion chamber, a working fluid in the immersion chamber, and a condenser. A liquid portion of the working fluid defines an immersion bath in the immersion chamber and a vapor portion defines a headspace above the immersion bath in the immersion chamber. The condenser condenses the vapor portion of the working fluid to the liquid portion of the working fluid. The vapor buffer tank is in fluid communication with the headspace, and a vapor valve selectively allows fluid communication between the vapor buffer tank and the headspace. The liquid buffer tank is in fluid communication with the immersion chamber, and a liquid valve selectively allows fluid communication between the liquid buffer tank and the immersion chamber.