发明名称 Turbomolecular pump
摘要 A turbomolecular pump comprises a casing, a rotor having a rotor blades arranged in multiple stages in the casing axially thereof, and a stator having stator blades arranged in multiple stages and alternately located between the rotor blades. Each of the stator blades has an inner ring portion, an outer ring portion spaced-apart from the inner ring portion, and blades connected between the inner and outer ring portions along a circumferential direction thereof. Each of the blades has a first end connected to an outer peripheral edge of the inner ring portion and a second end opposite the first end connected to an inner peripheral edge of the outer ring portion. A reinforcement member is disposed on the inner ring portion of each of the stator blades along the entire circumference of the inner ring portion for reinforcing the stator blade.
申请公布号 US6334754(B1) 申请公布日期 2002.01.01
申请号 US19990338310 申请日期 1999.06.22
申请人 SEIKO INSTRUMENTS INC. 发明人 KABASAWA TAKASHI
分类号 F04D29/38;F04D19/04;F04D29/54;(IPC1-7):F01D1/36 主分类号 F04D29/38
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