Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2005-12-06
2005-12-06
Datskovskiy, Michael (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S689000, C415S066000
Reexamination Certificate
active
06972956
ABSTRACT:
A collapsible fan. The collapsible fan may be disposed in parallel or series with one or more other fans. If the collapsible fan becomes inactive or non-operable, such as by malfunction or failure, then its fan blades collapse to a less restrictive flow configuration allowing the remaining fans to operate more effectively. The fan blades may have any suitable expansion and contraction mechanism, such as a hinge, a pivot joint, or a multi-section inner or outer support structure having different sections of the fan blades.
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Article: “Ultra Reliable Fan”, IBM Technical Disclosure Bulletin, Mar. 01, 1996, vol. # 39, Issue # 3, p. # 345-346.
Franz John
Vinson Wade
Datskovskiy Michael
Hewlett--Packard Development Company, L.P.
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