A labyrinth magnetic fluid sealing device
A magnetic fluid seal, labyrinth technology, applied in the direction of engine seals, bearing components, engine components, etc., can solve the problems of reduced sealing reliability, low secondary pressure bearing capacity, magnetic fluid seal failure, etc., to improve the secondary Pressure bearing capacity, the effect of solving internal leakage problems and improving pressure bearing capacity
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[0022] The present invention will be further described below in conjunction with accompanying drawing.
[0023] Such as figure 1 The shown labyrinth magnetic fluid sealing device includes shaft 1, housing 2, first pole shoe ring 4, second pole shoe ring 6, third pole shoe ring 5, permanent magnet I7, permanent magnet II10, permanent magnet III11, The shaft 1 is installed in the housing 2, the inner wall cross sections of the shaft 1 and the housing 2 are concentric circles, the first pole shoe ring 4 is installed on the inner wall of the housing 2, the first pole shoe ring The inner ring surface of 4 is close to the shaft 1, leaving a gap between it and the shaft 1;
[0024] The second pole shoe ring 6 is installed on the shaft 1 and is located on the right side of the first pole shoe ring 4; the third pole shoe ring 5 is installed on the inner wall of the housing 2 and is located on the first pole shoe ring 4 On the right side, the inner ring surface of the third pole shoe ...
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