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首页> 外国专利> BEARING DEVICE WITH ACTIVE MAGNETIC BEARINGS FOR SUPPORTING A ROTATABLE BODY, IN PARTICULAR A ROTOR OF AN ELECTRICAL RELUCTANCE MACHINE

BEARING DEVICE WITH ACTIVE MAGNETIC BEARINGS FOR SUPPORTING A ROTATABLE BODY, IN PARTICULAR A ROTOR OF AN ELECTRICAL RELUCTANCE MACHINE

机译：带有主动磁性轴承的轴承装置，用于支撑旋转体，尤其是电气磁阻电机的转子

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摘要

The invention relates to a bearing device (5) for supporting a rotatable body (2) without contact, comprising a first magnetic bearing (9, 10) and a second magnetic bearing (9, 10), which is arranged at an offset from the first bearing (9, 10) in the axial direction (7), wherein the first and the second bearing (9, 10) each have at least two magnets (11 to 14) for magnetically supporting the rotatable body (2), which are distributed in the circumferential direction and are designed to produce a magnetic retaining force on the rotatable body (2) both in the radial direction (8) and in the axial direction (7), wherein the magnets (11 to 14) each have a first flux passage surface (31 to 34) facing in the radial direction (8), through which the retaining force can be produced in the radial direction (8), and a second flux passage surface (40 to 43), which is different from the first flux passage surface (31 to 34) and which faces in the axial direction (7) and through which the retaining force can be produced in the axial direction (7), wherein a magnetic flux (35) of the particular magnet (11 to 14) passes both through the first and through the second flux passage surface (31 to 34, 40 to 43).
机译：本发明涉及一种用于无接触地支撑可旋转体（2）的轴承装置（5），该轴承装置包括第一磁性轴承（9、10）和第二磁性轴承（9、10），该第一磁性轴承（9、10）与第二磁性轴承（9）错开设置。第一轴承（9、10）在轴向方向（7）上，其中第一和第二轴承（9、10）分别具有至少两个磁体（11至14），用于磁性地支撑可旋转体（2）。沿圆周方向分布并且设计成在径向（8）和轴向（7）上在可旋转体（2）上产生磁保持力，其中磁体（11至14）分别具有第一沿径向（8）面对的磁通通过表面（31至34）和第二磁通通过表面（40至43），通过所述磁通通过表面可在径向（8）上产生保持力。第一通量通过表面（31至34），面向轴向（7），保持力f可以在轴向方向（7）上产生力，其中特定磁体（11至14）的磁通量（35）既穿过第一通量通过表面又穿过第二通量通过表面（31至34、40至43）。

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