US 12,232,293 B2
Multiple chassis cooling zones
Aaron Gregory Levitan, Berkeley, CA (US); Vincent Cridlig, San Francisco, CA (US); Yury Murashka, Dublin (IE); Matthew Gawlowski, Woodland Park, CO (US); and Paulmer Soderberg, Santa Clara, CA (US)
Assigned to ARISTA NETWORKS, INC., Santa Clara, CA (US)
Filed by Arista Networks, Inc., Santa Clara, CA (US)
Filed on Mar. 3, 2022, as Appl. No. 17/686,351.
Prior Publication US 2023/0284411 A1, Sep. 7, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20145 (2013.01) [H05K 7/20172 (2013.01); H05K 7/20209 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A network switch device, comprising:
a housing;
a fabric card positioned within the housing;
a first cooling fan operable to provide a first airflow through a first zone within the housing and across a first portion of the fabric card positioned within the first zone;
a second cooling fan operable to provide a second airflow through a second zone of the housing and across a second portion of the fabric card positioned within the second zone, the first zone separate from the second zone;
a first baffle positioned between the first zone and the second zone and positioned across the fabric card, the first baffle configured to direct the first airflow away from the second zone and configured to direct the second airflow away from the first zone;
a first line card electrically coupled to the fabric card and positioned within the first zone; and
a second line card electrically coupled to the fabric card and positioned within the second zone.