Fault tolerant cooling in electrical apparatus

Details Fault tolerant cooling in electrical apparatus Fault tolerant cooling in electrical apparatus

1995-10-31

1997-09-16

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

With particular system function

326 10, 340679, 371 26, 39518209, G08B 2900

Patent

active

056685327

ABSTRACT:
A cooling system provides redundant fault-tolerant cooling to electrical devices in an electrical apparatus and comprises a plurality N+1 individual cooling fans, N cooling fans being required to provide cooling of the devices and further comprises monitor logic for monitoring the status of the plurality of cooling fans and for issuing a non-critical warning to the apparatus in the event of failure of one of the cooling fans, the logic being further operable, in the event of a failure in the logic, to issue a non-critical warning to the apparatus.

REFERENCES:
patent: 3937936 (1976-02-01), Saporito et al.
patent: 4422067 (1983-12-01), Clark et al.
patent: 4843378 (1989-06-01), Kimura
patent: 5132628 (1992-07-01), Matsuo

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