Patent · US Expired

Fault tolerant cooling in electrical apparatus

US5668532A · kind A · utility

5Cited by
4References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 31, 1995
Grant dateSep 16, 1997
Priority date
Expiry dateOct 31, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B33/144
  • WIPO fieldControl
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.