Back flow limiting device for failed redundant parallel fan

Details Back flow limiting device for failed redundant parallel fan Back flow limiting device for failed redundant parallel fan

1999-04-13

2000-02-29

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361695, 454184, 454353, G06F 120

Patent

active

060317175

ABSTRACT:
A plurality of parallel fans are mounted for moving side-by-side columns of air in a chassis. A louver member is provided adjacent each fan. Each louver member is bendable from a closed position to an open position by a flow of air generated by its respective fan, and is restrictedly bendable to a closed position, in engagement with a portion of an air passageway, in response to failure of its respective fan.

REFERENCES:
patent: 5210680 (1993-05-01), Scheibler
patent: 5546272 (1996-08-01), Moss et al.
patent: 5572403 (1996-11-01), Mills
patent: 5787971 (1998-08-01), Dodson
patent: 5793610 (1998-08-01), Schmitt et al.
patent: 5890959 (1999-04-01), Pettit et al.

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