Turbomolecular pump

   
   

A turbomolecular pump including a housing having a suction opening and a gas outlet opening, and a plurality of alternatingly arranged one behind another, stator and stator rings provided, respectively with support rings for supporting each a blade, with a support ring of a stator disc located adjacent to a high pressure region of the turbomolecular pump being connected with an adjacent housing part over a large surface or being formed with the adjacent housing part as one-piece part.

 
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