| US 7,586,741 B2 | ||
| Disk array apparatus and liquid cooling apparatus thereof | ||
| Hitoshi Matsushima, Ryugasaki (Japan); Hiroshi Fukuda, Odawara (Japan); and Shunsuke Yamana, Odawara (Japan) | ||
| Assigned to Hitachi, Ltd., Tokyo (Japan) | ||
| Filed on Feb. 03, 2006, as Appl. No. 11/346,297. | ||
| Claims priority of application No. 2005-029069 (JP), filed on Feb. 04, 2005. | ||
| Prior Publication US 2006/0176665 A1, Aug. 10, 2006 | ||
| Int. Cl. H05K 7/20 (2006.01); G06F 1/20 (2006.01) | ||
| U.S. Cl. 361—679.47 [361/679.46; 361/679.53] | 15 Claims |
| 14. A liquid cooling apparatus for use in a disk array apparatus, containing a plural number of units, each containing at
least one disk drive into an inside of a housing, within a rack, comprising:
an air-blow fan;
a pump for transmitting a liquid coolant;
a radiator for transmitting heat absorbed into the liquid coolant into an outside air;
a part adjacent said at least one disk drive for enabling cooling thereof;
pipes for connection of at least said pump, said radiator and said part; and
a temperature sensor for detecting temperature of the liquid coolant;
wherein said temperature sensor is disposed at a position so as to detect the temperature of the liquid coolant, which changes
in response to electric power consumed within said at least one disk drive of said plural number of units;
wherein a rotation speed of said pump is controlled depending upon a detection signal from said temperature sensor; and
wherein the rotation speed of said pump is controlled independently of and other control of said disk array apparatus including
control of said air-blow fan.
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