Cooling device and electronic apparatus

Patent metadata

Field	Value
Publication number	US-9357676-B2
Application number	US-201313912764-A
Country	US
Kind code	B2
Filing date	Jun 7, 2013
Priority date	Sep 28, 2012
Publication date	May 31, 2016
Grant date	May 31, 2016

Abstract

A cooling device includes: a heat dissipating part disposed at an end of a heat transfer member; a heat-receiving plate disposed at the other end of the heat transfer member, provided opposite to a noise-generating part mounted on a circuit board, and thermally coupled to the noise-generating part; and a shielding unit disposed at the other end of the heat transfer member, the shielding unit covering the noise-generating part.

First claim

What is claimed is:

1. A cooling device comprising:
a heat dissipating part disposed at an end of a heat transfer member;
a heat-receiving plate disposed at the other end of the heat transfer member, provided opposite to a noise-generating part mounted on a circuit board, and thermally coupled to the noise-generating part; and
a shielding member disposed at the other end of the heat transfer member and including a top plate and peripheral walls extending from all respective sides of the top plate to cover the noise-generating part and the other end of the heat transfer member within the peripheral wall, at least one of the peripheral walls having a groove.

2. The cooling device according to claim 1 , wherein the shielding member includes the heat-receiving plate and a peripheral wall provided beside the heat-receiving plate.

3. The cooling device according to claim 1 , wherein the shielding member includes the heat-receiving plate formed by drawing a sheet metal and a peripheral wall provided beside the heat-receiving plate.

4. The cooling device according to claim 1 , wherein the heat-receiving plate is attached to the circuit board through an elastic material.

5. The cooling device according to claim 1 , further comprising,
an extended part configured to cover another noise-generating part different from the noise-generating part that the shielding unit covers.

6. The cooling device comprising according to claim 1 , wherein the other end of the heat transfer member is located on the heat-receiving plate.

7. The cooling device according to claim 1 , wherein the heat transfer member is a heat pipe.

8. An electronic apparatus comprising:
a circuit board on which a noise-generating part is mounted; and
a cooling device, the cooling device includes:
a heat dissipating part disposed at an end of a heat transfer member;
a heat-receiving plate disposed at the other end of the heat transfer member, provided opposite to the noise-generating part mounted on a circuit board, and thermally coupled to the noise-generating part; and
a shielding member disposed at the other end of the heat transfer member and including a top plate and peripheral walls extending from all respective sides of the top plate to cover the noise-generating part and the other end of the heat transfer member within the peripheral walls, at least one of the peripheral walls having a groove.

9. The electronic apparatus according to claim 8 , wherein the shielding member includes the heat-receiving plate and a peripheral wall provided beside the heat-receiving plate.

10. The electronic apparatus according to claim 8 , wherein the shielding member includes the heat-receiving plate formed by drawing a sheet metal and includes a peripheral wall provided beside the heat-receiving plate.

11. The cooling device according to claim 1 , wherein the noise-generating part and the other end of the heat transfer member are disposed between the shielding member and the circuit board.

12. The electronic apparatus according to claim 8 , wherein the noise-generating part and the other end of the heat transfer member are disposed between the shielding member and the circuit board.

13. The cooling device according to claim 1 , wherein the heat transfer member passes through the groove in a direction of the end of the heat transfer member.

14. The electronic apparatus according to claim 8 , wherein the heat transfer member passes through the groove in a direction of the end of the heat transfer member.

Assignees

• Fujitsu Ltd

Inventors

• Yamaguchi Goki
• Kobayashi Sonomasa

Classifications

• F04D25/0613

  the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator · CPC title

• F28F1/24

  and extending transversely (F28F1/38 takes precedence) · CPC title

• F28D15/0233

  the conduits having a particular shape, e.g. non-circular cross-section, annular (F28D15/0241, F28D15/0266 take precedence) · CPC title

• G06F1/203 Primary

  for portable computers, e.g. for laptops · CPC title

• H05K7/20336 Primary

  Heat pipes, e.g. wicks or capillary pumps · CPC title