Device having an efficient heat radiation casing

Details Device having an efficient heat radiation casing Device having an efficient heat radiation casing

1998-10-13

1999-10-19

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361690, 361697, 361704, 257722, 174 161, 174 163, 165 803, H05K 720

Patent

active

059699434

ABSTRACT:
A communication device for use in a base station of a portable telephone system has a radiation section including a spiral projection formed on an external surface of a casing to define a spiral air passage on the casing, a fan disposed on the casing inside a central space of the spiral passage, and a motor disposed inside the casing to drive the fan through a shaft penetrating the wall of the casing. A spiral air flow generated by the fan functions for efficient heat radiation through the casing. The spiral projection is formed by drawing the wall of the casing.

REFERENCES:
patent: 5523918 (1996-06-01), Chiou
patent: 5597034 (1997-01-01), Barker, III et al.

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