Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1995-05-03
1996-04-02
Tolin, Gerald P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
165 803, 257722, 415178, H05K 720
Patent
active
055046509
ABSTRACT:
A heat sink mounted on a heat producing element for cooling the heat producing element attached on the printed board of the electronic apparatus, having a heat sink body made of a good heat conductive material and a fan assembly installed inside the heat sink body. The heat sink body is efficiently air-cooled by a cooling air generated by the rotation of the fan assembly. The cooling air forcibly cools a base and a fixing wall of the base adjacent to the heat producing element and plate-like radiating fins or a pin-like radiating fins are protruded on the heat sink body to radiate the heat effectively. The position of the fan assembly is at the center of the heat sink body or is at the offset position from the center of the heat sink body. The heat sink of the present invention can be installed in a portable electronic apparatus such as a portable computer.
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IBM Technical Disclosure Bulletin; vol. 30, No. 8; Dated Jan. 1988.
Horinishi Takayuki
Katsui Tadashi
Kitahara Takashi
Koga Takeshi
Matsumura Tadanobu
Fujitsu Limited
PFU Limited
Tolin Gerald P.
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