Patent ID: 11923525
Assignee: BAIDU USA LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G  Y | IPC G  H

Claim 8:
9. A method of managing airflows in a backup battery unit (BBU) rack, comprising:
detecting an incident in power supply to a server rack in a data center, wherein the server rack is to be powered by a BBU rack that includes a plurality of BBU modules, where the BBU rack is coupled to one or more crossflow fans;
sending one or more control signals to the BBU rack and the one or more crossflow fans; and
controlling the one or more crossflow fans and air chambers in the BBU rack using the one or more control signals,
wherein a rack management controller identifies one or more of the plurality of BBU modules in the BBU rack that are to provide supplemental power to the server rack, and sends the one or more control signals to the one or more crossflow fans to match their respective airflow blowing directions to one or more air channels connected to the one or more of the plurality of BBU modules.