5079, 5 fan unit 30 and against the adjacent circuit module 14 along the arrow 82. The air then tends to be directed along the surface of the circuit module ...

[0006] According to the above, the conventional fan system circuit module has the following defects: [0007] 1 . When the fans are started at the same time, ...

4 shows a hot-swap circuit system for a fan tray module according to another embodiment of the invention. FIG. 5 shows a hot-swap circuit system for a fan ...

A fan is provided in a circuit module in order to facilitate heat dissipation from the heat sink. The cooling effect increases as airflow (the number of ...

3 power supplied to the PWM fan circuit module 33, so as to further control the rotation speed of the fan within the PWM fan circuit module 33.

Due to its 5 rotatability, the press-on plate 24 can rotate along if the circuit modules fan initially or later to a minor extent.

Since the fans 57 for cooling the packages 1 are ar- 65 ranged facing the packages 1, the electronic circuit modules 4 can be mounted close to each other on ...

Fans 104-106 preferably are powered by dc motors which, in turn, are controlled from the ... Card cage assembly 114 supports an array of circuit modules, ...