Enclosures with redundant fans in doors with interlocks

Details Enclosures with redundant fans in doors with interlocks Enclosures with redundant fans in doors with interlocks

2004-07-27

2009-08-25

McAllister, Steven B (Department: 3749)

Ventilation

Electronic cabinet

C361S689000, C361S695000, C361S724000, C361S726000

Reexamination Certificate

active

07578733

ABSTRACT:
An equipment rack including front and back doors is configured with fans for air cooling enclosed electronic devices in both doors. The fans in each door are sufficient, by themselves, to provide sufficient airflow to cool the electronic devices. The two doors include switches and magnetic interlocks configured such that when one door is opened, the magnetic interlock on the other door is activated preventing both doors from being opened at the same time. This ensures that at least one door is always closed while the system is powered up, and since the fans in each door provide sufficient cooling for the equipment rack, the rack is always sufficiently cooled to prevent electronic device failure from overheating.

REFERENCES:
patent: 3221632 (1965-12-01), Copp
patent: 4375735 (1983-03-01), Rhoads
patent: 4433985 (1984-02-01), McGee
patent: 5475562 (1995-12-01), Gow
patent: 5877938 (1999-03-01), Hobbs et al.
patent: 5996361 (1999-12-01), Bessler et al.
patent: 6164369 (2000-12-01), Stoller
patent: 6462944 (2002-10-01), Lin

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