| 发明名称 |
Oil sealed vane type rotary vacuum pump |
| 摘要 |
<p>The pump has a pump system (5) arranged in a housing (2), where the system has a shaft (12) eccentrically arranged in a cylindrical chamber. A drive motor e.g. direct current motor, has permanent magnets (14) that are arranged on the shaft. Electrical coils (10) surround the magnets and produce a rotatable magnetic field. Control electronic (8) controls the coils and is arranged in a removable housing part of the pump.</p> |
| 申请公布号 |
EP1598558(B1) |
申请公布日期 |
2015.12.30 |
| 申请号 |
EP20050008941 |
申请日期 |
2005.04.23 |
| 申请人 |
PFEIFFER VACUUM GMBH |
发明人 |
CONRAD, ARMIN;LOSCH, WOLFGANG |
| 分类号 |
F04C29/04;F04C18/344;F04C29/00;H02K1/27 |
主分类号 |
F04C29/04 |
| 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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