Cooling methods and apparatus

Details Cooling methods and apparatus Cooling methods and apparatus

G - Physics

06

F

G06F 1/20 (2006.01) F25B 9/00 (2006.01) F25B 25/00 (2006.01)

Patent

CA 2581710

Computer cooling equipment for computer equipment comprises: a primary heat transfer circuit; a secondary heat transfer circuit containing a secondary heat transfer fluid, a secondary condenser cooled by the primary heat transfer circuit and a secondary evaporator for cooling the computer equipment; and is characterised in that the secondary heat transfer fluid is a volatile fluid. The secondary heat transfer fluid may be carbon dioxide. The cooling system is of particular use in power hungry applications such as cooling of computer servers, particularly of blade servers as it can produce a heat load dissipation of up to 100 kW, compared to 10 kW or less using conventional systems. Heat exchange cabinets, air conditioning systems and building elements using a secondary heat transfer fluid which is a volatile fluid are also disclosed.

L~invention porte sur un équipement de refroidissement pour ordinateurs comprenant : un circuit de transfert thermique primaire ; un circuit de transfert thermique secondaire contenant un fluide de transfert thermique secondaire, un condenseur secondaire refroidi par le circuit de transfert thermique primaire et un évaporateur secondaire pour refroidir l~équipement informatique ; et caractérisé en ce que le fluide de transfert thermique secondaire est un fluide volatile. Le fluide de transfert thermique secondaire peut être du dioxyde de carbone. Le système de refroidissement est particulièrement utile dans des applications gourmandes d~énergie comme le refroidissement de serveurs informatiques, en particulier des serveurs à lames dans la mesure où il peut produire une dissipation de contrainte thermique allant jusqu~à 100 kW, par rapport à 10 kW voire moins à l~aide de systèmes conventionnels. L~invention concerne également des armoires d~échange thermique, des climatiseurs et des éléments de construction utilisant un fluide de transfert thermique secondaire qui est un fluide volatile.

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