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:
Oct. 07, 2008
Filed:
Jan. 28, 2008
Jesse V. Corbett, Clayton, NC (US);
David J. Steiner, Raleigh, NC (US);
Donald C. Johnson, Cary, NC (US);
Jesse V. Corbett, Clayton, NC (US);
David J. Steiner, Raleigh, NC (US);
Donald C. Johnson, Cary, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method of operating an apparatus for use with a computer, including a power source, a system board, and a heat sink. The method includes operating a fan reversing control card, which is coupled to the system board, to generate normal and reverse cycle rotation signals in predetermined intervals, and controlling a fan, which is coupled to the fan reversing control card, by receiving the normal and reverse cycle rotation signals, and operating in normal and reverse cycles in which the fan rotates in first and second directions, respectively. The method further includes installing the fan within the computer sufficiently proximate to the heat transfer surfaces such that the first and second directional rotations of the fan generate air flows in first and second directions with respect to the heat transfer surfaces, respectively.