Multi-magnetic-resource sleeve type magnetofluid sealing device
A magnetic fluid seal and sleeve technology, applied in the direction of engine seals, engine components, mechanical equipment, etc., can solve the problem of low pressure resistance, and achieve the effects of improving pressure resistance, reducing losses, and increasing magnetic flux density.
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[0034] The present invention will be further described below in conjunction with accompanying drawing.
[0035] Such as figure 1 As shown, the multi-magnetic source sleeve-type ferrofluid seal device includes a housing 2 and consists of more than one ferrofluid seal unit, and the ferrofluid seal unit includes a left pole shoe ring 3 and a right pole shoe ring 4 , sleeve 5, left first permanent magnet ring 6, left second permanent magnet ring 7, middle permanent magnet ring 8, right first permanent magnet ring 9, right second permanent magnet ring 10;
[0036] The sleeve 5 is set on the shaft 1, and the outer circular surface of the sleeve 5 is divided into a left sleeve surface 51, a left groove surface 52, a middle circular surface 53, a right sleeve surface 54, and a right groove surface 55; The left sleeve surface 51 and the left groove surface 52 are arranged alternately on the left side of the middle circular surface 53, and the right sleeve surface 54 and the right groo...
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