# US 11,310,939 B2 · Coolant distribution unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,939 B2 - Document ID: US11310939B2 - Status: Granted - Kind: B2 - Application number: 17/125,203 - Filed: 2020-12-17 - Published: 2021-09-02 - Granted: 2022-04-19 - Earliest claimed: 2020-02-27 - Assignees: Auras Technology Co., Ltd. - Applicants: Auras Technology Co., Ltd. - Inventors: Tian-Li Ye; Wei-Hao Chen; Chien-Yu Chen; Chien-An Chen - Web page: https://patentgrep.com/patent/US11310939B2 ## CPC - H05K 7/20272: {Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds} - H05K 7/20781: {within cabinets for removing heat from server blades} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A coolant distribution unit includes a casing, a control module, a power supply module, a heat exchange module, and a fluid driving module. The power supply module is electrically connected to the control module, the fluid driving module is electrically connected to the control module and the power supply module, and the fluid driving module is in fluid communication with the heat exchange module. The control module, power supply module, heat exchange module, and fluid driving module are all arranged in the casing. In addition, the control module controls the power supply module to output a corresponding electrical power to the fluid driving module according to an operation status of the fluid driving module. ## Claims ### Claim 1 A coolant distribution unit, comprising: a casing; a control module; a power supply module electrically connected to the control module; a heat exchange module; and a fluid driving module electrically connected to the control module and the power supply module, and communicated with the heat exchange module, wherein the control module, the power supply module, the heat exchange module and the fluid driving module are arranged in the casing, and the control module controls the power supply module to output a corresponding electrical power to the fluid driving module to operate the fluid driving module according to an operation status of the fluid driving module. ### Claim 2 (depends on 1) The coolant distribution unit of claim 1, wherein the control module, the power supply module and the fluid driving module are detachably arranged in the casing. ### Claim 3 (depends on 1) The coolant distribution unit of claim 1, wherein the control module comprises a main control unit and the fluid driving module comprises a plurality of pumps, wherein according to an operation status of one pump of the pumps of the fluid driving module, the main control unit of the control module adjusts another pump of the pumps of the fluid driving module. ### Claim 4 (depends on 3) The coolant distribution unit of claim 3, further comprising: a first liquid inlet; a second liquid inlet; a first liquid outlet; a second liquid outlet; and a plurality of pipeline channels arranged in the casing, wherein the first liquid inlet, the second liquid inlet, the first liquid outlet and the second liquid outlet allow a working fluid passing through and communicated with the pipeline channels arranged in the casing, the pumps of the fluid driving module drives the working fluid to flow in the heat exchange module and the pipeline channels, and the heat exchange module communicates with the first liquid inlet, the second liquid inlet, the first liquid outlet and the second liquid outlet by way of the pipeline channels. ### Claim 5 (depends on 4) The coolant distribution unit of claim 4, further comprising a plurality of quick connectors, each of the quick connectors connecting to one corresponding pump of the pumps of the fluid driving module and one corresponding pipeline channel of the pipeline channels, wherein the each of the quick connectors prevents the working fluid from leaking from the corresponding pipeline channel while the corresponding pump is removed. ### Claim 6 (depends on 4) The coolant distribution unit of claim 4, wherein a path from the first liquid inlet to the first liquid outlet is an external circulation path to connect a cooling device, and a path from the second liquid inlet to the second liquid outlet is an inner circulation path to connect a plurality of cold plates of a server device. ### Claim 7 (depends on 3) The coolant distribution unit of claim 3, wherein the fluid driving module outputs a first analog signal of the one pump of the pumps to the main control unit of the control module, the main control unit receives the first analog signal converts the first analog signal into a digital signal with an analog/digital converter built in the main control unit, the main control unit determines an operation status of the one pump of the pumps of the fluid driving module according to the digital signal, and a digital/analog converter built in the main control unit converts the digital signal into a second analog signal and outputs to the fluid driving module to control the another pump of the pumps of the fluid driving module after the main control unit processes the digital signal. ### Claim 8 (depends on 4) The coolant distribution unit of claim 4, further comprising a sensing module, a flow regulating module and a display module, wherein the control module further comprises an extension control unit electrically connected to the main control unit, the sensing module communicates with the first liquid inlet, the second liquid inlet, the first liquid outlet, the second liquid outlet or the pipeline channels to sense sensing data of the working fluid in the first liquid inlet, the second liquid inlet, the first liquid outlet, the second liquid outlet or the pipeline channels, and the flow regulating module communicates with the pipeline channels to control a flow rate of the working fluid flowing in the pipeline channels, wherein the main control unit of the control module electrically connects to the sensing module and the flow regulating module, and the main control unit electrically communicates with an external monitoring center through the extension control unit to send the sensing data to the external monitoring center through the extension control unit. ### Claim 9 (depends on 8) The coolant distribution unit of claim 8, wherein the main control unit adjusts operation performances of the pumps of the fluid driving module according to the sensing data of the working fluid in the first liquid inlet, the second liquid inlet, the first liquid outlet, the second liquid outlet or the pipeline channels. ### Claim 10 (depends on 6) The coolant distribution unit of claim 6, wherein the control module reads a real-time temperature data of the server device stored in a cloud control center with a network switch, and the main control unit of the control module determines whether the server device is overheated according to the real-time temperature data of the server device and controls the fluid driving module to adjust operation performances of the pumps of the fluid driving module. ### Claim 11 (depends on 3) The coolant distribution unit of claim 3, wherein when the main control unit is abnormal or removed from the casing, the power supply module directly outputs an electrical power to the fluid driving module to run the pumps of the fluid driving module at full speed. ### Claim 12 (depends on 3) The coolant distribution unit of claim 3, wherein the heat exchange module comprises a heat exchanger and a liquid storage unit, the liquid storage unit equips with at least one level gauge, and the main control unit of the control module determines a liquid level in the liquid storage unit according to sensing signals from the at least one level gauge to control the fluid driving module to adjust the operation performances of the pumps of the fluid driving module.