Turbomachine
A turbine, mechanical technology that is used in mechanical equipment, engine components, machines/engines, etc. to solve problems such as expensive
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[0021] 1 and 2 illustrate a rapidly rotating turbine 10 designed as a turbomolecular pump and comprising a rotor 12 and a stator 14 . The rotor 12 basically comprises a shaft 16 with a pump rotor 18 , the shaft section in the bearing region of which forms a bearing shaft 20 . The bearing shaft 20 forms the rotor-side part of the two magnetic bearings 22, 23 and the rotor-side part of the sliding bearing 26, 27, which is arranged axially between the two magnetic bearings 22, 23 and serves as two Safety bearings for magnetic bearings 22,23.
[0022] Each slide bearing 26 , 27 is formed by a bearing shaft 20 , a stator-side bearing shell 28 and a cylindrical intermediate bushing 30 arranged radially between the bearing shell 28 and the bearing shaft 20 . The bearing housing 28, the intermediate bushing 30 and the bearing shaft 20 are made of metal. The intermediate bushing 30 is supported by a metallic spring element 32 in fixed relation to the bearing housing 28 .
[0023] T...
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