http://www.peertopatent.org.au/patent/5/prior_art/list Apparatuses, methods, and systems directed to efficient cooling of data centers. Some embodiments of the invention allow encapsulation of cold rows through an enclosure and allow server fans to draw cold air from the cold row encapsulation structure to cool servers installed on the server racks. In other particular embodiments, the systems disclosed can be used to mix outside cool air into the cold row encapsulation structure to cool the servers. In some embodiments, the present invention involves using multiple cold row encapsulation structures to cool the servers installed on the racks. en-us Cold row encapsulation for server farm cooling system Patent/Application #: No 7,286,351<br/>Description: US Patent No 7,286,351 (filed 6 May 2005) ('Apparatus and Method for Facilitating Cooling of an Electronics Rack Employing a Closed Loop Heat Exchange System') Wed, 20 Jan 2010 14:23:33 +1000 http://www.peertopatent.org.au/prior_art/14/detail Cold row encapsulation for server farm cooling system Patent/Application #: 2006/0260338<br/>Description: US Patent Application 2006/0260338 (filed May 17, 2005) ('Cold Aisle Isolation') Wed, 20 Jan 2010 14:14:58 +1000 http://www.peertopatent.org.au/prior_art/13/detail