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:
Feb. 10, 2026
Filed:
Oct. 30, 2023
Hewlett Packard Enterprise Development Lp, Spring, TX (US);
Hewlett Packard Enterprise Development LP, Spring, TX (US);
Abstract
An information processing device comprises heat generating components, a plenum, and fans arranged to flow air through the plenum and to cool the heat generating components. The device also comprises a recirculation inhibition mechanism to reduce the amount of air recirculation in the event a fan fails. The recirculation inhibition mechanism comprises a plenum impedance element extending across the plenum such that the air passing through the plenum passes through the plenum impedance element prior to reaching the fans, and dividers disposed in the plenum and defining sub-compartments in the plenum. Each of the sub-compartments corresponds to one of the fans and is configured to supply air to or receive air from the corresponding fan. In the event of one of the fans failing, air recirculating through the failed fan passes though the plenum impedance element twice before reaching an adjacent fan.