Apparatus for optimizing the rotational speed of cooling fans

Details Apparatus for optimizing the rotational speed of cooling fans Apparatus for optimizing the rotational speed of cooling fans

1996-11-12

1999-10-05

Voeltz, Emanuel Todd

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

702 65, 361687, 361688, 361697, H05K 720

Patent

active

059638877

ABSTRACT:
Apparatus for controlling cooling fans for variable electrical loads. A controller monitors cooling fan output, ambient temperature and the electrical load. The controller then matches the fan speed and resulting cooling to the existing electrical load and ambient temperature. As a consequence, fan speed is maintained at a minimum necessary to sustain appropriate cooling levels. This minimizes the generation of structureborne and airflow noise.

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Nelson, Daryl J.; "Noise Reduction of Air-Cooled Computer Systems"; Sound d Vibration; v 20 n 12 pp. 12-15, Dec. 1986.

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