Patent ID: 7675747
Filing Date: 2010-03-09
Classification: F04D,H05K

Abstract:
1. A fan module for positioning in a fan tray of an electronic device, the fan tray having at least two rows for receiving sets of the fan modules, comprising: a first fan supported within a first housing within the fan module; and a second fan supported within a second housing, wherein the first and second housings are interconnected within the fan module and arranged in a side-by-side, spaced-apart arrangement, wherein the first fan has a clockwise-rotating blade and the second fan has a counterclockwise-rotating blade with the direction of blade rotation of the first fan and the second fan being determined from a same side of the fan module, and wherein airflow through the fan module is unidirectional; wherein the fan tray comprises edge connectors arranged in a pattern defining a set of locations for the fan module to mount to the fan tray, whereby counter-rotating flow occurs between an adjacent pair of the fan modules positioned on the fan tray; and a connector assembly with a body positioned between the first and second housings to interconnect the housings, the body having connector receptacles for receiving one of the edge connectors positioned on opposite ends of the body and proximate to one of the clockwise-rotating and the counterclockwise-rotating fans.