In one embodiment, a cooling system comprises an information technology (IT) cluster layer with multiple immersion tanks, each immersion tanks including electronic components submerged in a two-phase liquid coolant; and a cooling capacity layer that includes a vapor subsystem, a liquid subsystem, and a condensing cooler. The system further includes a distribution layer that include vapor lines for transmitting vapor from each of the immersion tanks to the vapor subsystem, and liquid lines for distributing liquid from the liquid subsystem to each immersion tank in the IT cluster layer. The two subsystems operate independently to maintain proper fluid level in the immersion tanks efficiently.

A system having a shell with a shell interior for housing a heat exchanger that is configured to be operable for heat transfer between a first fluid and a second fluid; a refrigerant inlet, wherein the first fluid passes from the refrigerant inlet to the shell interior for heat transfer; a refrigerant inlet manifold, wherein the refrigerant inlet manifold is configured to collect the first fluid from the refrigerant inlet for the heat transfer; a refrigerant outlet, the refrigerant outlet is configured to be operable for supplying the first fluid for electronic device cooling; a coolant inlet, wherein the second fluid flows from the coolant inlet and into the shell interior for the heat transfer; and a coolant outlet for discharging the second fluid out of the shell interior.

An electronic rack cooling system is disclosed that includes both a two-phase cooling system having a first cooling loop and a single-phase system comprising a second cooling loop. A main coolant source, such as a facility cooling fluid is coupled to a condenser unit of the two-phase cooling system. A branch off of the facility cooling fluid is directed to the single-phase cooling loop. The coolant flow to the single-phase cooling loop is controlled by a flow control value and a coolant pump. The facility cooling fluid is managed between the single-phase loop and phase change loop. A rack management unit in the electronic rack controls facility cooling fluid flow rate using the flow control device and pump.

A thermal management system includes a cooling unit, a condenser, and a processor. The processor is located within a server, and the system also includes a phase change cooling device in thermal communication with the processor, and in fluid communication with the condenser. The system also includes a single phase cooling device in thermal communication with the phase change cooling device, and in fluid communication with the liquid cooling unit. The system also includes a temperature sensor in thermal communication with the single phase cooling device, and a fluid pump to move fluid between the liquid cooling unit and the single phase cooling device. A TEC device may also be implemented between the phase change cooling device and the single phase cooling device.

In one embodiment, an immersion cooling system comprising one or more electronic devices submerged in a two-phase liquid coolant, a first cooling loop to provide cooling liquid to the immersion system, wherein the first cooling loop comprises a first condenser unit, a first liquid supply line, and a first vapor return line, and a second cooling loop to provide cooling liquid to the immersion system, wherein the second cooling loop comprises a second condenser unit, a second liquid supply line, and a second vapor return line. The apparatus further includes a first pressure sensor coupled to the first vapor return line, a second pressure sensor coupled to the second vapor return line and at least one main cooling source comprising a fluid control valve controlled based on the first pressure sensor and the second pressure sensor.

An immersion cooling system includes an immersion tank and one or more information technology (IT) equipment situated within the immersion tank. The IT equipment is configured to provide IT services and is at least partially submerged within a phase change liquid, where, when the IT equipment provides the IT services, the IT equipment generates heat that is transferred to the phase change liquid thereby causing at least some of the phase change liquid to turn into vapor phase. The immersion cooling system includes a primary condenser unit positioned above the immersion tank and a secondary condenser unit, where, either a single, or both the primary and secondary condenser units are configured to receive cooling liquid from an external cooling unit to condense the phase change liquid in vapor phase back into liquid phase.

The disclosure provides a system, for designing and developing immersion cooling in data centers. The system includes an internet technology (IT) tank that houses a computing device immersed in a two phase coolant; an aisle, in which the immersion tank is disposed, that captures a first vaporized portion of the two phase coolant escaped from the immersion tank; a condenser that transforms the first vaporized portion of the two phase coolant that escaped from the immersion tank into a first liquid portion of the two phase coolant; a second condenser captures and condenses a second portion of vapor; and a liquid distributor manages the cooling fluid and coolant fluid for the IT tank and two condensers.

A evaporator of a loop heat pipe includes a liquid inlet side portion that extends in a widthwise direction crossing with a lengthwise direction from a liquid inlet side to a vapor outlet side, a plurality of portions that continue to the liquid inlet side portion and extend in the lengthwise direction, a plurality of vapor flow paths that are provided between the plurality of portions and extend in the lengthwise direction, and a vapor outlet side vapor flow path that extends in the widthwise direction and continues to the vapor flow paths. Each of the plurality of portions includes a first groove communicating two adjacent ones of the vapor flow paths.

A thermal management system includes a server computer and a shell defining an immersion chamber. The shell contacts the server computer along a bottom side and lateral walls of the chamber, and the immersion chamber has an opening on a top side. The shell is connected to the server computer and a portion of the server computer defines at least a portion of the immersion chamber.

An information technology (IT) equipment cooling system includes a coolant unit to be coupled to an electronic rack, the coolant unit to supply a two phase liquid coolant to one or more IT equipment cooling sets mounted within on an electronic rack. Each of the one or more IT equipment cooling sets includes an IT unit having one or more pieces of IT equipment configured to provide IT services and is at least partially submerged within the two phase liquid coolant, where, while the IT equipment provides the IT services, the IT equipment generates heat that is transferred to the two phase liquid coolant thereby causing at least some of the two phase liquid coolant to turn into vapor phase. The IT equipment cooling set includes an IT condensing unit having a condenser positioned above the IT unit and the condenser is to condense the vapor back into liquid state.