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New GE Dual-Piezo cooling tech could enable thinner tech

updated 11:35 am EST, Wed December 12, 2012

GE's DCJ cools by acting like miniature bellows

General Electric has unveiled an ultra-thin, high-performance cooling mechanism that could allow for even thinner next-generation electronics. The Dual Piezoelectric Cooling Jets (DCJ) technology acts as a miniature pair of bellows, pulling cool air in when they expand and expelling hot air when contracting. The technology was initially developed to cool commercial jet engines, but GE managed to miniaturize it, and the company has gotten the technology working in computers.

Speaking with ExtremeTech, GE VP Chris Giovanniello said that the technology "can be made so quiet that users won't even know it's running." DCJ can operate so quietly due to the fact that it has no buzzing or vibrating fans and also due to the fact that it can be used for localized cooling, where smaller DCJs could be attached to components instead of the head from those components being pumped through a heat pipe and fan assembly.

The technology could begin showing up in computers within the next few years. GE has licensed DCJ tech to Fujikura, a Japanese thermal management company, and GE is providing OEMs with DCJ kids.





by MacNN Staff

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