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.:
Date of Patent:
Jan. 24, 2017
Filed:
Apr. 11, 2014
Facebook, Inc., Menlo Park, CA (US);
Pierluigi Sarti, Milpitas, CA (US);
Facebook, Inc., Menlo Park, CA (US);
Abstract
At least one embodiment of this disclosure includes a power shelf for serving a power zone within an IT equipment rack. The power shelf includes: a DC bus configured to provide DC power to rack-mounted equipment within the power zone; multiple pairs of backup battery units (BBUs) and power supply units (PSUs), wherein the multiple pairs include at least a redundant pair, such that voltage and power is supplied through the DC bus sufficient to power the rack-mounted equipment even when one of the multiple pairs is inoperative; and a power circuit, in each PSU of each of the multiple pairs, configured to rectify an AC phase from an external multi-phase AC power source, wherein the power circuit is configured to draw power from one of the BBUs paired to the PSU when the PSU fails to provide power sufficient to power the rack-mounted equipment.