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:
Jul. 24, 2007
Filed:
Nov. 20, 2003
Martin Joseph Crippen, Apex, NC (US);
Francis A. Kuchar, Jr., Raleigh, NC (US);
Jason Aaron Matteson, Raleigh, NC (US);
Brian Alan Trumbo, Apex, NC (US);
Martin Joseph Crippen, Apex, NC (US);
Francis A. Kuchar, Jr., Raleigh, NC (US);
Jason Aaron Matteson, Raleigh, NC (US);
Brian Alan Trumbo, Apex, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An automatic recirculation airflow damper for use in electronic enclosures utilizing multiple air moving devices to cool electronic components within the enclosure. When an air moving device is removed, the damper automatically closes an orifice associated with the absent air moving device, thus preventing the loss of cooling air from the vacated orifice and the subsequent reduction in cooling capacity. In some embodiments, the damper is attached to the enclosure with hinges. In certain embodiments, the damper is configured with elastomeric material such that the interface between the orifice and the damper offers high impedance to airflow while the damper is in a closed position. The automatic recirculation airflow damper reduces electronic thermal failures and therefore increases the reliability of a system equipped with the device.