The magnetic transmission inner bearing is located in the sealed space, which using the sealed medium for lubrication and cooling. View our material level, magnetic transmission in gas transmission machinery is still unused. Canada nova magnetic Co., LTD produced overpressure fan, under 170 bar helium pressure, leakage rate is 1cm3 / h, bearing life is more than 10000h. Another series of booster fan, free flow is 750m3/h, when in the flow of 400m3/h, system differential pressure is 35mpa and realize the zero leakage. In addition, the special properties of magnetic drive are also applied to leak-off mixer, valve, etc. The application in the refrigerator haven't got the related information, we are doing the exploring works of realizing the magnetic transmission to used in refrigerant compressor, because the coolant, especially the freon leaked can cause serious environmental problems.

2011-03-14

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