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:
Mar. 14, 2006
Filed:
May. 13, 2004
Scott Lee Christopherson, Rochester, MN (US);
Edward Charles Gillard, Mantorville, MN (US);
Don Alan Gilliland, Rochester, MN (US);
Scott Lee Christopherson, Rochester, MN (US);
Edward Charles Gillard, Mantorville, MN (US);
Don Alan Gilliland, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A fan and a fan blade are provided for allowing airflow through the fan blade in a fan failure condition. The fan blade includes a peripheral member defining an opening. A flexible cover member is attached to the peripheral member for covering the fan blade opening during normal operation of the fan. The flexible cover member is hingeably attached to the peripheral member for movement away from the peripheral member enabling airflow through the fan blade opening in a fan failure condition.