发明名称 |
TURBOMOLECULAR VACUUM PUMP WITH ROWS OF ROTOR BLADES AND ROWS OF STATOR BLADES |
摘要 |
The invention relates to a turbomolecular vacuum pump comprising rows of rotor blades (3) and rows of stator blades (4) that alternately engage with one another at varying angles of attack (alpha). The aim of the invention is to improve the properties of such a pump. To this end, at least a part of the blades (1 or 2) of the rows of blades (3 or 4) that are mounted on the pressure side thickens towards the rim facing the pressure side. |
申请公布号 |
EP1319130(A1) |
申请公布日期 |
2003.06.18 |
申请号 |
EP20010967249 |
申请日期 |
2001.08.09 |
申请人 |
LEYBOLD VAKUUM GMBH |
发明人 |
ADAMIETZ, RALF;BEYER, CHRISTIAN;SCHUETZ, GUENTER |
分类号 |
F04D17/16;F04D19/04;F04D29/32;F04D29/38 |
主分类号 |
F04D17/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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