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Just a though. How about, a heatsink being a rotating fan.

post #1 of 13
Thread Starter 
I just had this idea.

Looking at some preview of some fancy laptop with a fancy graphics card inside, it struck me, maybe it could be an idea for computers in general to have a rotating fan in metal, which would also be acting as a heat spreader. How such a fan could be "connected" to the heat source and/or dissipate heat efficiently, I wouldn't know.

A silly visual idea could be to imagine a big metal cooler, that sort of spun on its own. smile.gif Presumably, having a spinning cooler, would be more efficient than a spinning fan blowing onto a cooler.

I guess for this to work, the meal material used would have to be extremely light (how about graphene?) and not become so clunky as to pose a danger to its environment when it is spinning.
Edited by Decoman - 4/29/17 at 4:55am
post #2 of 13
So kinda like a turbine idea one part moves 1 way another moves other direction the second could be the fan just have it counter other part it'd take a redesign of CPU socket to facilitate such a thing but maybe that could work. One side pools heat into base + fins other pulls heat away.
post #3 of 13
Quote:
Originally Posted by Decoman View Post

I just had this idea.

Looking at some preview of some fancy laptop with a fancy graphics card inside, it struck me, maybe it could be an idea for computers in general to have a rotating fan in metal, which would also be acting as a heat spreader. How such a fan could be "connected" to the heat source and/or dissipate heat efficiently, I wouldn't know.

A silly visual idea could be to imagine a big metal cooler, that sort of spun on its own. smile.gif Presumably, having a spinning cooler, would be more efficient than a spinning fan blowing onto a cooler.

I guess for this to work, the meal material used would have to be extremely light (how about graphene?) and not become so clunky as to pose a danger to its environment when it is spinning.

Exists, and has for a while now. Nothing commercial though.
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Minimi Dried off!
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post #4 of 13
Getting the heat to transfer through he motor's bearing would be an issue.

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post #5 of 13
Quote:
Originally Posted by billbartuska View Post

Getting the heat to transfer through he motor's bearing would be an issue.
Per the Sandia design, the motor sits above the interface between the fan and the heat source. Thus the gap between the two is very small.

Source
post #6 of 13
What ever happened to that cooler that used explosive welding and compressed liquid it looked sick.
post #7 of 13
Quote:
Originally Posted by Shadowarez View Post

What ever happened to that cooler that used explosive welding and compressed liquid it looked sick.

The assembly line probably blew up from all that explosive welding.
post #8 of 13
Quote:
Originally Posted by Shadowarez View Post

What ever happened to that cooler that used explosive welding and compressed liquid it looked sick.
CapTherms. As far as I can tell, they never released a product. Even their website still references the "latest news and updates" as the CES '15 stuff they showed, which is also what all the other sites refer to. Based on their website, I assume they are aiming for data center or other enterprise/commercial cooling systems and not the consumer market. I think the CES info was just to generate buzz and investment interest.
post #9 of 13
Quote:
Originally Posted by starliner View Post

Quote:
Originally Posted by billbartuska View Post

Getting the heat to transfer through he motor's bearing would be an issue.
Per the Sandia design, the motor sits above the interface between the fan and the heat source. Thus the gap between the two is very small.

Source
LOL...

Making a motor bearing that would maintain that 0.001" air gap would be, well, nearly impossible. Any bearing or shaft wear and bang, the fan hits the heat sink, stops spinning, and your computer overheats.
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post #10 of 13
Thread Starter 
Now that I remember seeing that fan, I also think I remember that this fan is designed supposed to hover by air pressure. Presumably it would take a long time before the unit stops working. Not that I am an expert on such subject matter. :|
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Overclock.net › Forums › Cooling › Cooling Experiments › Just a though. How about, a heatsink being a rotating fan.