# US 2021/0341978 A1 · Systems and methods for air mover speed optimization based on information of air mover speed versus air mover power curve > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0341978 A1 - Document ID: US20210341978A1 - Status: Published application - Kind: A1 - Application number: 16/864,711 - Filed: 2020-05-01 - Published: 2021-11-04 - Earliest claimed: 2020-05-01 - Assignees: Dell Products L.P. - Applicants: Dell Products L.P. - Inventors: Hasnain SHABBIR; Dominick A. LOVICOTT - Web page: https://patentgrep.com/patent/US20210341978A1 ## CPC - G06F 1/206: {comprising thermal management} - G05B 15/02: electric - G06F 1/325: {Power saving in peripheral device} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) ## Abstract An information handling system may include an information handling resource, an air mover configured to drive air to cool the information handling resource, and a thermal control system for controlling the air mover and configured to determine an air speed requirement for the air mover and regulate an air speed of the air mover to optimize an airflow-versus-power efficiency of the air mover while satisfying the air speed requirement. ## Claims ### Claim 1 An information handling system comprising: an information handling resource; an air mover configured to drive air to cool the information handling resource; and a thermal control system for controlling the air mover and configured to: determine an air speed requirement for the air mover wherein the air speed requirement comprises an acoustic-based limit for the air speed of the air mover; and regulate an air speed of the air mover to optimize an airflow-versus-power efficiency of the air mover while satisfying the air speed requirement. ### Claim 2 (canceled) ### Claim 3 (depends on 1) The information handling system of claim 1, wherein the air speed requirement comprises a cooling requirement for the air speed of the air mover. ### Claim 4 (depends on 1) The information handling system of claim 1, wherein the thermal control system is further configured to: partition an air speed range of the air mover into a plurality of regions; based on the air speed requirement, determine a selected region from the plurality of regions to operate the air mover; and regulate the air speed within the selected region to optimize the airflow-versus-power efficiency. ### Claim 5 A method comprising: determining an air speed requirement for an air mover; and regulating an air speed of the air mover to optimize an airflow-versus-power efficiency of the air mover while satisfying the air speed requirement wherein the air speed requirement comprises an acoustic-based limit for the air speed of the air mover. ### Claim 6 (canceled) ### Claim 7 (depends on 5) The method of claim 5, wherein the air speed requirement comprises a cooling requirement for the air speed of the air mover. ### Claim 8 (depends on 5) The method of claim 5, further comprising: partitioning an air speed range of the air mover into a plurality of regions; based on the air speed requirement, determining a selected region from the plurality of regions to operate the air mover; and regulating the air speed within the selected region to optimize the airflow-versus-power efficiency. ### Claim 9 A thermal control system comprising: an output for communicating a control signal for regulating an air speed of an air mover; and logic configured to: determine an air speed requirement for the air mover wherein the air speed requirement comprises an acoustic-based limit for the air speed of the air mover; and regulate an air speed of the air mover to optimize an airflow-versus-power efficiency of the air mover while satisfying the air speed requirement by communicating the control signal. ### Claim 10 (canceled) ### Claim 11 (depends on 9) The thermal control system of claim 9, wherein the air speed requirement comprises a cooling requirement for the air speed of the air mover. ### Claim 12 (depends on 9) The thermal control system of claim 9, wherein the thermal control system is further configured to: partition an air speed range of the air mover into a plurality of regions; based on the air speed requirement, determine a selected region from the plurality of regions to operate the air mover; and regulate the air speed within the selected region to optimize the airflow-versus-power efficiency. ### Claim 13 An article of manufacture comprising: a non-transitory computer-readable medium; and computer-executable instructions carried on the computer-readable medium, the instructions readable by a processor, the instructions, when read and executed, for causing the processor to: determine an air speed requirement for an air mover wherein the air speed requirement comprises an acoustic-based limit for the air speed of the air mover; and regulate an air speed of the air mover to optimize an airflow-versus-power efficiency of the air mover while satisfying the air speed requirement. ### Claim 14 (canceled) ### Claim 15 (depends on 13) The article of claim 13, wherein the air speed requirement comprises a cooling requirement for the air speed of the air mover. ### Claim 16 (depends on 13) The article of claim 13, the instructions for further causing the processor to: partition an air speed range of the air mover into a plurality of regions; based on the air speed requirement, determine a selected region from the plurality of regions to operate the air mover; and regulate the air speed within the selected region to optimize the airflow-versus-power efficiency.