US 7,537,517 B1
Self-brushing air moving device
Timothy Meserth, Durham, N.C. (US); James S. Womble, Hillsborough, N.C. (US); Richard M. Barina, Sebring, Fla. (US); and Daniel P. Kelaher, Holly Springs, N.C. (US)
Assigned to International Business Machines Corporation, Armonk, N.Y. (US)
Filed on Aug. 19, 2008, as Appl. No. 12/194,299.
Application 12/194299 is a continuation of application No. 12/046567, filed on Mar. 12, 2008, granted, now 7,431,640.
This patent is subject to a terminal disclaimer.
Int. Cl. H05K 7/20 (2006.01); F24F 13/08 (2006.01); F24F 7/00 (2006.01); B01D 41/04 (2006.01)
U.S. Cl. 454—184  [454/259; 454/353; 361/687; 361/695; 55/295] 1 Claim
OG exemplary drawing
 
1. A method of using an air moving device assembly in a computer system comprising:
providing an air moving device within a housing for moving air from an air inlet to an air outlet in the housing;
providing a mesh covering the air outlet having a plurality of openings;
providing a back flow damper assembly positioned over the air outlet, wherein the back flow damper assembly further comprises at least one damper door movable in an open position and a closed position, the at least one damper door having at least one tooth such that when the damper door is in the closed position, the at least one tooth interacts with at least one of the plurality of openings in the mesh to substantially cover the periphery of the at least one of the plurality of the openings in the mesh.