Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2008-02-15
2010-11-02
Pape, Zachary M (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S679510, C361S696000, C361S697000, C165S080300, C454S184000, C700S300000
Reexamination Certificate
active
07826215
ABSTRACT:
A temperature isolation duct in a computer system comprising a chassis securing a circuit board and a fan system that draws air through the chassis, and a heat-generating component is mounted on the circuit board and exposed to the air flow. The hot air duct passively directs air heated by the heat-generating component from a single hot air duct inlet in direct downstream alignment with the heat-generating component to a single hot air duct outlet. A thermal sensor is secured within, or in direct alignment with, the hot air duct near the duct outlet for sensing the temperature of air flowing through the hot air duct and generating a temperature signal. A controller is in electronic communication with the thermal sensor for receiving the temperature signal and in electronic communication with the fan system for sending a fan speed control signal.
REFERENCES:
patent: 6253834 (2001-07-01), Sterner
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Nordeen Larson and Arthur M. Petersen Sea-Bird Electronics, Inc., Temperature Measurements in Flowing Water: Viscous Heating of Sensor Tips, From Proceeding of 1stIGHEM Meeting, Jun. 1996, 10 pages, Montreal Canada.
Glover Troy Williams
June Michael Sean
Kamath Vinod
Scott, III Whitcomb Randloph
International Business Machines - Corporation
Pape Zachary M
Seal Cynthia G.
Streets Jeffrey L.
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