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Oil-Free Compressor by MiTi

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Uploaded by on Nov 30, 2006

This movie is a humorous view of testing of our totally oil-free, 100 HP permanent magnet motor direct drive centrifugal compressor / blower. Our airfoil bearings wre critical to the development. This program demonstrates the successful integration of oil-free foil bearings, 4-pole composite wound permanent magnet motor, thermal management capabilities and a state of the art centrifugal compressor.

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Uploader Comments (Jfwaltonii)

  • I look again, 60 K RPMs in the compresor? how do you make such 100 hp with that little motor? greetings

  • Lubrication of bearings is with air - hence the name air bearings and all oil is eliminated. As for speed of 60 Krpm in 100 HP it is with new Permanent Magnet Motor technology, power electronics and air foil bearings

  • how do you lubricate bearings? looks more like a blower, but 10 K RPM!!! great

  • see reply below about air as lubricant

  • SOUNDS FUNNY WHEN IT STARTS UP

  • Have listened again thinking maybe you were asking about the sound once at full speed rather than at startup. At full speed the air noise does have a slight pulsation to it. It may be that the blower is being operated near either choke or surge not sure for this video where we had the valve positioned, though likely for maximum flow - hence potentially operating near choke. Hope this helps

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  • @artypuma haha you're right..i wouldn't be standing in front of that thing..even a pebble would rocket through you

  • Free Energy is real but the coverup is strong, if you are interested in a REAL free energy machine then just search for the LT MAGNET MOTOR in the youtube video search , it is probably the ONLY working magnet motor out there. Join the free energy revolution!!

  • This is not safe. If the wheel fails or something is drawn into the compressor someone will get hurt.

  • thats a DC motor not an AC !

  • Its a shame so many good products developed in the U.S but hard to sell because the high cost of everything about 7 times higher then cheap suorce supply. If you issue license to china make this, you can go big fast because the quantity in volume make all the diffrence

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