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MSI ECOlution Chipset Cooler  (Source: TweakTown)
MSI ECOlution chipset cooler operates on the Stirling Engine Theory

MSI has designed a new chipset cooling fan that is able to operate without electricity. MSI’s new chipset cooler, which is accordingly dubbed the “Air Power Cooler,” offers all of the benefits of a cooler with a fan without drawing any power.   

Energy efficiency of fans can make a large difference, especially in enterprise environments where hundreds of PCs are running at once.  Although passive cooling is always an option, it doesn’t offer the cooling capability of a fan.

The new MSI cooler isn’t a passive cooler but actually uses a fan to cool the chipset without using any electricity. Ironically, the fan gets its power from the very thing it’s trying to remove — thermal energy.

The system is based on a beta Stirling engine. As hot air expands in the system, it applies pressure to the central piston in the heatsink pushing it up. The piston's movement upwards rotates gears which in turn spin the fan. Thermal energy generated by the chipset is converted into kinetic energy.

The fan blows through a common looking finned radiator to disperse the Northbridge’s heat production.

MSI tells DailyTech that the system is able to convert 70% of heat power to kinetic energy. It is important to note that enough heat must be supplied to spin the fan blades. If the chipset isn’t hot enough, the entire system will not run.

MSI is working on the cooler with Taiwanese company Polo-Tech. The powerless fan is expected to make its debut on MSI’s ECOlution during CeBIT 2008.

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RE: Efficient and automatic?
By drinkmorejava on 2/29/2008 11:16:12 PM , Rating: 2
I believe you are correct in using the carnot cycle efficiency, however, you used the efficiency given by a heat producing engine (1-Qdotl/Qdoth)˜1-Tl/Th. In this case though Tl and Th are not readily apparent. If you use the ratio of (Wdot/Qdot)=(Power)/(Heat Transferred) it becomes apparent that it is possible to achieve high efficiencies. For your reference, power is equal to the work done by the fan per unit of time.

RE: Efficient and automatic?
By dare2savefreedom on 3/1/08, Rating: -1
By marsbound2024 on 3/1/2008 4:22:12 PM , Rating: 5
You know how you spend hours a day watching American football or baseball or any other sport? Not you, you say? How about spending hours working on your car? Not you, you say? How about spending hours playing paintball? What about reading books? Listening to music? Photography? Stargazing? Gaming?

The simple fact of the matter is that we all have our hobbies and love our hobbies when they only get better and better? Also, I am sure plenty of us have girlfriends and many of them actually have the same hobbies as we do. And no, they are not all ugly.

Maybe sir, you need to think more and respect the fact that everyone likes different things and that is what makes being a part of civilization worth it.

By drinkmorejava on 3/2/2008 3:28:15 AM , Rating: 3
haha, thank you. For your information, I do have a girlfriend. Furthermore, I would like to know how being an aerospace engineer precludes me from having a life.

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