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    • 7. 发明公开
    • 진공 펌프
    • 真空泵
    • KR1020100083790A
    • 2010-07-22
    • KR1020107008225
    • 2008-09-16
    • 라이볼트 게엠베하
    • 정,울리히하리크,크리스티안
    • F04D19/04F04D27/02
    • F04D19/048F04D27/0292F16C2360/45
    • The invention relates to a vacuum pump (10) having a pump rotor (16), and active magnetic bearing (20,21), a safety bearing (22,23) associated with the magnetic bearing (20,21), an electric drive motor (18) having a motor stator having a plurality of stator coils (19,19,19) for driving the pump rotor (16), a brake relay (42) having a plurality of changers each having a base contact (62,63,64), a brake contact (44,45,46) and an operational contact (47,48,49), and a short circuit point (60) by way of which all brake contacts (44,45,46) of the brake relay (42) are directly connected to each other. All stator coils (19,19,19) are connected to the base contacts (62,63,64) of the changer, and can be connected directly to each other by way of the brake contacts (44,45,46) of the brake relay (42) and by way of the short circuit point (60), and can be connected to an inverter module (32) by way of the operational contacts (47,48,49).
    • 本发明涉及一种具有泵转子(16)和主动磁轴承(20,21)的真空泵(10),与磁轴承(20,21)相关联的安全轴承(22,23),电驱动 具有电动机定子的电动机(18)具有用于驱动所述泵转子(16)的多个定子线圈(19,19,19);制动继电器(42),具有多个变换器,每个变换器具有基座触点(62,63 ,64),制动器触点(44,45,46)和操作触点(47,48,49)以及短路点(60),通过所述短路点(60),所有制动器触点(44,45,46) 制动继电器(42)彼此直接连接。 所有定子线圈(19,19,19)连接到变换器的基座触点(62,63,64),并可通过制动触点(44,45,46)直接连接 制动继电器(42)并通过短路点(60)连接,并可通过操作触点(47,48,49)连接到变频器模块(32)。