Title:
冷却ファンの故障診断システム、故障診断装置、故障診断方法、故障診断プログラムおよび冷却装置
Document Type and Number:
Japanese Patent JP5176813
Kind Code:
B2
Abstract:
The failure diagnosis system of cooling fans of the present invention includes a first cooling device, a second cooling device and a control device. The first cooling device has a first cooling fan, and the second cooling device has a second cooling fan. The control device executes a first failure diagnosis which checks failure of the second cooling fan based on the rotation rate of the second cooling fan at the time at which the rotation rate of the first cooling fan is reduced.
Inventors:
Takio Yanagio
Application Number:
JP2008241459A
Publication Date:
April 03, 2013
Filing Date:
September 19, 2008
Export Citation:
Assignee:
NEC
International Classes:
H05K7/20
Domestic Patent References:
| JP2008208806A | ||||
| JP4198868A | ||||
| JP5235568A | ||||
| JP2003111478A |
Attorney, Agent or Firm:
Masahiko Desk
Naoki Shimosaka
Naoki Shimosaka