Abstract: A cooling unit includes a channel frame assembled to a server chassis to form a region enclosing an electronic chip that is disposed on a server board contained within the server chassis, an inlet port coupled to a first side of the channel frame to receive a coolant fluid, an outlet port coupled to a second side of the channel frame for coolant fluid in either a liquid phase or a vapor phase to exit the channel frame, and an internal structure disposed on an inner surface of the channel frame between the inlet port and the outlet port. The internal structure guides the coolant fluid flow and/or distribution along a surface of the electronic chip, where the electronic chip transfers heat to the coolant fluid to cause a portion of the coolant fluid to change from a liquid to a vapor phase.

Abstract: A server chassis can include a first pair of connectors on a rear side of the server chassis arranged to face in a rear direction to engage with connectors of a server rack. Upon engaging of the connectors, the server chassis fluidly connects to a supply line and a return line of the server rack. The server chassis includes a second pair of connectors on a front side of the server chassis, to fluidly connect to a cooling system of a server node housed within the server chassis. The second pair of connectors are held to the server chassis with one or more movable attachments that enable coupling and decoupling of the second pair of connectors to the cooling system of the server node. Fluid channels fluidly connect the first pair of connectors to the second pair of fluid connectors.

Abstract: Embodiments are disclosed of a battery package. The battery package includes one or more battery compartments each having an upstream end, a downstream end, and a plurality of sidewalls extending between the upstream end and the downstream end. Each battery compartment has a plurality of battery cells disposed therein. A supply module is fluidly coupled to the upstream end of the one or more battery compartments. The supply module includes a supply pump having an inlet and an outlet, and a supply flow channel that fluidly couples the outlet of the supply pump to the upstream ends of the one or more battery compartments.

Abstract: According to one embodiment, a sensing system for an immersion cooling system that includes several flow sensors that are coupled to several lines that are coupled together and are arranged to sense flow rates of coolant flowing through their respective lines. The sensing system also includes a controller that is communicatively coupled to the flow sensors and is configured to receive sensor data from the sensors. The first line couples to a first pump that moves liquid coolant into an information technology (IT) enclosure, a second line couples to a second pump that moves coolant drawn from the enclosure into the second line, and the third line couples to a third pump that moves coolant drawn from a coolant source into the third line, the coolant drawn from the first lime is a combination of coolant from at least one of the second and third lines.

Abstract: A server rack, includes a separation chamber that has an input to receive a mixed two-phase fluid from a server chassis, a vapor output at a top portion of the separation chamber, and a liquid output at a bottom portion of the separation chamber. The server rack includes a condenser that is fluidly connected to the vapor output of the separation chamber to receive and condense the vapor to a liquid, and a main outlet that is fluidly connected to both the liquid output of the separation chamber and to a condenser output of the condenser. The main outlet of the server rack is fluidly connected to an external cooling system which supplies the liquid back to the server rack.

Abstract: A thermal management plate includes two cooling devices. A first cooling device includes a fluid inlet, a fluid outlet, a distribution manifold, and a number of fluid channels extending from the distribution manifold. The second cooling device also includes a fluid inlet, a fluid outlet, a distribution manifold, and a number of fluid channels extending from the distribution manifold. The channels of the first cooling device and the channels of the second cooling device are in thermal communication with one another, and the two channels are designed jointly.

Abstract: A data center and a data center cluster have plurality of immersion cooling systems and a plurality of coolant units that provide two-phase coolant to one or more of the plurality of immersion cooling systems. Each coolant unit dispatches and manages two-phase coolant to two or more of the plurality of immersion cooling systems. The coolant units can fill or empty an immersion tank of an immersion cooling system, and can empty or fill a coolant tank in the coolant unit. A single-phase cooling fluid cools the vapor phase of the two-phase coolant in each immersion cooling system. The coolant units are modular, with a common interface to other coolant units and to immersion cooling systems to create a scalable cooling system and data center.

Abstract: A method of controlling a fan speed for a battery unit includes determining power discharge and a current temperature of a battery unit and obtaining a relationship between fan speed for the battery unit and temperature of the battery unit based on the power discharge and the current temperature of the battery unit. The method further includes identifying a minimum fan speed based on the relationship between fan speed and temperature and a maximum operating temperature of the battery unit and controlling the fan by setting the speed of the fan to the minimum fan speed.

Abstract: Electronic rack and data center thermal management systems are disclosed. An electronic rack system includes a heat exchange system and the electronic rack having a plurality of servers containing heat-generating components. The heat exchange system includes a filter and a pump to circulate filtered cooling fluid to the electronic rack, via an internal cooling loop. An external cooling loop provides a backup cooling fluid supply to the electronic rack to function as a redundant system for the heat exchange system. The external cooling loop includes an external cooling fluid pump and filter, and is coupled to the internal cooling fluid supply via a valve. The cooling fluid in the internal cooling fluid loop, and its associated filter, are of a higher quality than the cooling fluid and filter of the external cooling fluid loop. In one embodiment, the external cooling loop filter is a high quality filtration system.

Abstract: A cooling and heating system for an electronic component comprises a thermoelectric element disposed near the electronic component and an electrical circuit for a bidirectional current, where the thermoelectric element is connected to the electrical circuit for the bidirectional current. The cooling and heating system further comprises a controller configured to control a current flow direction of the bidirectional current in the thermoelectric element to cool or heat the electronic component, where whether the electronic component is to be cooled or heated is based on the current flow direction of the bidirectional current in the thermoelectric element.

Abstract: An information technology (IT) enclosure includes an IT container having immersion coolant self-contained therein, one or more cooler trays and one or more dedicated battery spacings that are alternately arranged in a series manner within the IT container. Each cooler tray to house a cooler, each battery spacing to house one or more rows of battery packs. The IT enclosure includes a supply channel disposed at a first side of the IT container, and a return channel and a fluid pump disposed at another side of the IT container. Where, when in operation, the immersion coolant circulates amongst the alternate one or more rows of battery packs and coolers to transfer a thermal load from the one or more rows of battery packs to the coolers.

Abstract: Embodiments are disclosed of an energy storage unit. The unit includes a battery housing and a battery stack positioned in the battery housing. The battery stack includes N vertically stacked battery packs, N ? 2, and the N battery packs include at least a bottom battery pack and a top battery pack. N fluid channels formed in the battery housing, with each fluid channel fluidly coupled to a corresponding battery pack and extending vertically from its corresponding battery pack to the top of the battery housing. A condenser is positioned at the top of the battery housing and is fluidly coupled to the N fluid channels, so that vapor from each battery pack flows through the battery pack’s corresponding fluid channel to the condenser and liquid condensed by the condenser return to the channels of corresponding battery pack.

Abstract: Embodiments are disclosed of an electronic power conversion apparatus. The apparatus includes a first circuit comprising a first plurality of bidirectional switches coupled in parallel and a second circuit comprising a second plurality of bidirectional switches coupled in parallel. The apparatus further includes a power converter circuit coupling the first and the second circuit. The apparatus includes a control circuit operatively coupled to the first and second plurality of bidirectional switches. The control circuit controls a state of each of the first and second plurality of bidirectional switches.

Abstract: A design for servers and racks, includes a supply connector module including a supply connector connected to a first holder to connect a supply line connector, and a supply switch to engage the first holder when in a first position and to disengage with the second holder when in a second position, the second holder has a shape to disengage the supply switch and disconnect the supply connector from the supply line after a first time interval. The design further includes a return connector module a return connector connected to a second holder to connect a return line connector, and a return switch to engage the second holder when in a first position and to disengage when in a second position, the fourth holder has a shape to disengage the return switch and disconnect the return connector from the return line after a second time interval.

Abstract: Distributed infrastructure and mobile architecture for edge computing are disclosed. For one example, an edge computing container includes a plurality of modules. Each module has plug and play connectivity, and the modules are assembled to provide information technology (IT) space to house IT devices, cooling system, energy source and storage, and power system. The modules can be pre-fabricated and assembled as a single container unit. A source distribution unit (SDU) can assembled on an IT rack and connected to the modules. The single container unit can be loaded in a vehicle or transportation system for transportation in the process of deployment. The modules in the single container unit can also be operational during transportation.

Abstract: Embodiments are disclosed of an IT rack and a server including a cooling module. The IT rack includes an integrated a fluid distribution manifold set with a supply manifold on the front side of the rack and a return manifold on the rear side of the rack. The supply manifold extends from the front side to the rear side of the rack, and rack connectors, which fluidly couple the rack to the facility system of a data center, are designed on the top of the rack. Supply and return connectors are designed on the manifolds so that the connectors face each other within the rack. Each server housed in the rack includes a cooling module with a movable connector set that can be extended outside the server chassis to connect with the manifolds. The cooling module's connector set includes a transmission structure that allows both the supply and return connectors of the connector set to engage with the connectors on the supply and return manifolds.

Abstract: A coolant management unit for providing liquid cooling for backup battery unit (BBU) modules of an electronic rack includes a BBU return manifold, a BBU supply manifold, a balance loop, and a power bus. For example, a BBU supply manifold having a rack supply connector to receive cooling fluid from a rack supply manifold and a BBU supply connector to be connected to one of the BBU modules to distribute the cooling fluid. A BBU return manifold to be coupled to a rack return manifold, wherein the BBU return manifold is to receive vapor from the BBU modules. A balance loop connected to each of the BBU modules to establish a fluid connection amongst the BBU modules, such that a level of the cooling fluid in each of the BBU modules remains similar.

Abstract: The present disclosure provides apparatus, systems, methods, and techniques for cooling using a passive internal return loop with two-phase fluids. The cooling techniques may be applied to an advanced server rack having high power density servers. The server rack may be either packaged with one or more cooling modules or employ a fully sealed immersion configuration. For example, coolant in the vapor state may be separated from coolant in the liquid state in the two-phase coolant, and the coolant in the liquid state may be recirculated to cool the server (or other sub cooling systems) by gravity (i.e., pump-free).

Abstract: An electronic rack includes an array of server blades arranged in a stack. Each server blade contains one or more servers and each server includes one or more processors to provide data processing services. The electronic rack includes a coolant distribution unit (CDU) and a rack management unit (RMU). The CDU supplies cooling liquid to the processors and receives the cooling liquid carrying heat from the processors. The CDU includes a liquid pump to pump the cooling liquid. The RMU is configured to manage the operations of the components within the electronic rack such as CDU, etc. The RMU includes control logic to determine an optimal pump speed to minimize the total power consumption of the pump, acceleration servers and the host servers, based on the one or more parameters and the association between temperature and power consumption of the acceleration servers and the host servers. The RMU then controls the liquid pump based on the optimal pump speed.

Abstract: Embodiments are disclosed of a fluid connection module. The module includes a holder coupled to a connector having an axis, and the holder is translatable in both directions of the axis so that the holder and the connector can translate between an engaged and disengaged positions. The holder is biased toward the disengaged position. A switching unit adjacent to the holder includes an electric motor. A blade is coupled to the electric motor and is rotatable through a range of angular positions. The blade has a contact surface that contacts a bearing surface of the holder in a first subrange of angular positions and stops contacting the bearing surface in a second subrange of angular positions. When the contact surface is in contact with the bearing surface, the holder is in its engaged position. An elastic torque member is coupled to the motor and the blade and biases the blade to an angular position in the second subrange.