Automatic temperature and humidity regulation – Ventilator type – Electrically actuated
Reexamination Certificate
2011-08-02
2011-08-02
Jiang, Chen-Wen (Department: 3784)
Automatic temperature and humidity regulation
Ventilator type
Electrically actuated
C361S678000, C361S679460, C361S679480
Reexamination Certificate
active
07988063
ABSTRACT:
A system having: a midplane having air flow channels therein; a disk drive mounted to a first side of the midplane; and a temperature sensors mounted to the midplane. The system includes a pair of electrical chassis connected to a second side of the midplane. A first one of the chassis has therein: a fan; and a fan controller for controlling speed of the fan in response to a temperature control signal. A second one of the chassis has therein: a microprocessor for: detecting temperature signals produced by the temperature sensors; comparing differences between the detected temperature signals; and selecting one of the detected temperature control signal from the compared differences as the temperature control signal. A faulty one of the temperature sensors is detected by: selecting one of the detected temperature control signal as the faulty one of the plurality of temperature sensors from the compared differences.
REFERENCES:
patent: 2003/0214781 (2003-11-01), Kolb et al.
patent: 2004/0193791 (2004-09-01), Felton et al.
Bowman John Kevin
Burroughs John V
Dufresne, II Daniel A
Robillard Michael
Savilonis Daniel
EMC Corporation
Jiang Chen-Wen
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