The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8467906 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 18, 2013

Filed:

Aug. 10, 2010
Applicants:

Amir Meir Michael, San Mateo, CA (US);

Michael Paleczny, San Jose, CA (US);

Inventors:

Amir Meir Michael, San Mateo, CA (US);

Michael Paleczny, San Jose, CA (US);

Assignee:

Facebook, Inc., Menlo Park, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a data center that cools servers using an airflow from a central fan, rather than individual server fans, the cooling needs for each server are met by creating a sufficient pressure differential across each server. Because the pressure differential is the same for all of the servers, it is desirable to operate the data center such that each server needs the same pressure differential for proper cooling. Accordingly, a load balancer assigns tasks to the servers based on the known cooling needs of each server in order to balance the pressure differential needed to cool the server. This information may also be sent to the central fan to ensure that a sufficient pressure is created by the fan. Determining the cooling needs beforehand avoids spikes in server temperature, thereby enabling the servers to operate safely at a temperature closer to their maximum rated temperatures.


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