Electric machine
A kind of bearing and cylindrical bearing technology, applied in the field of motor, to achieve the effect of smooth operation
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[0025] Figure 1 shows a simplified longitudinal section of a rotating electric machine. The electric machine is an electric motor 10 which is used in motor vehicles, for example, in window lifters, wiper drives, preferably in heating drives and / or fan drives or the like. But it can also be a generator.
[0026] The electric motor 10 has a wound armature 12 which is arranged on a shaft 14 . The armature 12 is connected to a commutator 16 which in turn is connected to the brushes 18 of a brush holder 20 . Instead of the rectifier 16 , a current collector of the generator can also be provided.
[0027] The shaft 14 is supported in spherical cap bearings 22 and cylindrical bearings 24 . In the present embodiment, the bearings 22 , 24 are sintered bearings or plain bearings impregnated with oil. The spherical cap bearing 22 is arranged on a bearing pressure plate 26 in the area of the brush holder 20 . The cylindrical bearing 24 is arranged on the output side in the end shie...
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Abstract
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