Cooling system for electronic apparatus and control method there

Details Cooling system for electronic apparatus and control method there Cooling system for electronic apparatus and control method there

1993-11-03

1994-10-04

Wayner, William E.

Refrigeration

Processes

Fluid external of refrigeration producing cycle

62175, 622284, 417 7, F25B 700

Patent

active

053514980

ABSTRACT:
When cooling power corresponding to an amount of heat generated by an electronic apparatus can be generated by either n or n+1 cooling units, n+1 cooling units are operated such that each of the cooling units keeps a sufficient margin in reserve. In this manner, even if an abnormality occurs in one of the cooling units, the operation can be continued by the n cooling units. Further, since an operation frequency of a compressor in the cooling unit can be decreased to rotate a motor in the compressor at a lower rotational speed, a speed at which a bearing is worn is slowed, whereby the useful life of the bearing can be prolonged.

REFERENCES:
patent: 4787211 (1988-11-01), Shaw
patent: 4876859 (1989-10-01), Kitamoto

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