Air circulation system for redundant arrays of inexpensive disks

Details Air circulation system for redundant arrays of inexpensive disks Air circulation system for redundant arrays of inexpensive disks

1997-09-23

1999-03-02

Tanner, Harry B.

Automatic temperature and humidity regulation

Thermostatic

Expanding solid

236 493, 454239, 361195, F24F 700

Patent

active

058759654

ABSTRACT:
An air circulation system for an RAID system, having fan motors driving fans for circulating air inside the RAID and a power supply for the fan motors, includes: a sensing circuit for producing electrical signals proportional to the environmental conditions of the RAID's interior; a controller for producing control signals for controlling the direction of rotation of the fan motors when the signal exceeds a preset reference value; and a switching circuit for changing the polarity of the power supply, and thus the direction of rotation of the fan motors, in response to control signals from the controller.

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