Granted Patent B2

US 12,414,274 · App. 18/129,499 · Granted Sep 9, 2025

Inventors: Eric R Kern (Chapel Hill, NC); Paola Martinez Morales (Wendell, NC); Jerrod K Buterbaugh (Wake Forest, NC); Florin Cazacu (Balotesti, RO); Fadel Matar (Ottawa, CA)

Assignee: Lenovo Enterprise Solutions (Singapore) Pte. Ltd.

H05K7/20836H05K7/20772

Abstract

Claims (64)

1. A method comprising:

determining, using a processor, a utilization of a server, wherein the server is water-cooled and comprises one of a plurality of servers, wherein each server of the plurality of servers is water-cooled and wherein each server of the plurality of servers is connected to a water supply manifold by one or more valves;

determining, using the processor and based at least in part on the determined utilization of the server, a water flow rate to cool the server; and

adjusting, using the processors and based at least in part on the determined water flow rate to cool the server, a water flow rate to the server via a valve controlling the water flow rate to the server.

2. The method of claim 1 , wherein:

determining the utilization of the server comprises predicting a future utilization of the server;

determining the water flow rate to cool the server comprises determining a predicted water flow rate to cool the server based at least in part on the predicted future utilization; and

adjusting the water flow rate to the server comprises adjusting the water flow rate to the server via the valve controlling the water flow rate to the server based at least in part on the determined predicted water flow rate.

3. The method of claim 2 , wherein the water flow rate to the server is adjusted at a time of the predicted future utilization.

4. The method of claim 2 , wherein predicting the future utilization is based at least in part on the determined utilization, a future event affecting utilization, and/or a utilization-water flow model for the plurality of servers.

5. The method of claim 4 , wherein the utilization-water flow model is derived through machine learning and is based at least in part on:

data received from a number of the plurality of servers, the data comprising a temperature of each server of the number of the plurality of servers, a utilization of each server of the number of the plurality of servers, and/or a water flow rate to each server of the number of the plurality of servers;

a correlation between the temperature of each server of the number of the plurality of servers and the utilization of each server of the number of the plurality of servers; and

a correlation between the utilization of each server of the number of the plurality of servers and the water flow rate to each server of the number of the plurality of servers.

6. The method of claim 1 , wherein:

determining the utilization of the server further comprises determining a utilization of a component of the server;

determining the water flow rate to cool the server further comprises determining, based at least in part on the determined utilization of the component, a water flow rate to cool the component; and

adjusting the water flow rate to the server further comprises adjusting, based at least in part on the water flow rate to cool the component, a water flow rate to the component via a valve controlling the water flow rate to the component.

7. The method of claim 1 , wherein:

the server and a number of the plurality of servers are positioned on a rack-mounted tray; and

the water supply manifold comprises one or more cooling lines to each server of the number of the plurality of servers, wherein each cooling line of the one or more cooling lines comprises a valve of the one or more valves configured to adjust a water flow rate through the cooling line to a corresponding server.

8. The method of claim 1 , wherein the utilization of the server comprises a proportion of time during which the server is in use over a period of time.

9. An apparatus comprising:

a water supply manifold connected to a plurality of servers, wherein each server of the plurality of servers is water-cooled and wherein each server is connected to the water supply manifold by one or more valves;

a processor; and

non-transitory computer readable storage media storing code, the code being executable by the processor to perform operations comprising:

determining a utilization of a server of the plurality of servers;

determining, based at least in part on the determined utilization of the server, a water flow rate to cool the server; and

adjusting, based at least in part on the determined water flow rate to cool the server, a water flow rate to the server via a valve of the one or more valves of the water supply manifold controlling the water flow rate to the server.

10. The apparatus of claim 9 , the operations further comprising:

predicting a future utilization of the server;

determining, based at least in part on the predicted future utilization, a predicted water flow rate to cool the server; and

adjusting, based at least in part on the determined predicted water flow rate, the water flow rate to the server via the valve controlling the water flow rate to the server.

11. The apparatus of claim 10 , the operations further comprising adjusting the water flow rate to the server at a time of the predicted future utilization.

12. The apparatus of claim 10 , wherein predicting the future utilization is based at least in part on the determined utilization, a future event affecting utilization, and/or a utilization-water flow model for the plurality of servers.

13. The apparatus of claim 12 , wherein the utilization-water flow model is derived through machine learning and is based at least in part on at least one of:

data received from a number of the plurality of servers, the data comprising a temperature of each server of the number of the plurality of servers, a utilization of each server of the number of the plurality of servers, and/or a water flow rate to each server of the number of the plurality of servers;

a correlation between the temperature of each server of the plurality of servers and the utilization of each server of the plurality of servers; and/or

a correlation between the utilization of each server of the plurality of servers and the water flow rate to each server of the plurality of servers.

14. The apparatus of claim 9 , wherein:

determining the utilization of the server further comprises determining a utilization of a component of the server;

determining the water flow rate to cool the server further comprises determining, based at least in part on the determined utilization of the component, a water flow rate to cool the component; and

adjusting the water flow rate to the server further comprises adjusting, based at least in part on the water flow rate to cool the component, a water flow rate to the component via a valve controlling the water flow rate to the component.

15. The apparatus of claim 9 , wherein:

the server and a number of the plurality of servers are positioned on a rack-mounted tray; and

the water supply manifold comprises one or more cooling lines to each server of the number of the plurality of servers, wherein each cooling line of the one or more cooling lines comprises a valve of the one or more valves configured to adjust a water flow rate through the cooling line to a corresponding server.

16. A system comprising:

a plurality of servers, wherein each server of the plurality of servers is water-cooled;

a water supply manifold connected to the plurality of servers;

a number of valves, wherein each valve of the number of valves controls a water flow rate to at least one server of the plurality of servers;

a processor; and

non-transitory computer readable storage media storing code, the code being executable by the processor to perform operations comprising:

determining a utilization of a server of the plurality of servers;

determining, based at least in part on the determined utilization of the server, a water flow rate to cool the server; and

actuating the valve controlling the water flow rate to the server to adjust, based at least in part on the determined water flow rate to cool the server, the water flow rate to the server.

17. The system of claim 16 , wherein:

determining the utilization of the server further comprises predicting a future utilization of the server;

determining the water flow rate to cool the server further comprises determining a predicted water flow rate to cool the server based at least in part on the predicted future utilization; and

adjusting the water flow rate to the server further comprises adjusting predicted water flow rate the water flow rate to the server via the valve controlling the water flow rate to the server based on the determined predicted water flow rate.

18. The system of claim 17 , wherein predicting the future utilization is based at least in part on the determined utilization, a future event affecting utilization, and/or a utilization-water flow model for the plurality of servers.

19. The system of claim 16 , further comprising an additional number of valves, wherein each valve of the additional number of valves controls a water flow rate to a component of at least one server of the plurality of servers.

20. The system of claim 16 , wherein:

the server and a number of the plurality of servers are positioned on a rack-mounted tray; and

the water supply manifold comprises one or more cooling lines to each server of the number of the plurality of servers, wherein each cooling line of the one or more cooling lines comprises a valve of the number of valves configured to adjust a water flow rate through the cooling line to a corresponding server.

Assignments (2)

Continuity (1)

References Cited (9)