MAGNETICALLY STORED SEGMENTANTRIEB
CORRECTED VERSION (19) World-wide organization for mental property International office (43) International publication date 13 December 2007 (13.12.2007) IIIIIIIIIIIIIIIIIIIIIIIII (10) International publication number WHERE 2007/140504 aluminum PCT (51) International patent classification: (72) Inventor; and(75) Inventor/applicant ^^ (57) summary: Electromagnetic rotary drive mechanism (10) with a stator, which points electromagnet mechanisms up fsj, those with a rotor (11), which with at least a permanent magnet (13) is trained, to whose turn just like to its electromagnetic storage co-operate, and with Steuerbzw. Controlling mean (20) for the elektromagne Electromagnetic rotary drive device (10) having a stator which has electromagnet devices which interact with a rotor (11), which is formed with at least one permanent magnet (13), in order to rotate it, and likewise to provide an electromagnetic bearing for it, and having an open-loop and/or closed-loop control device (20) for the electromagnetic bearing and rotation of the rotor (11), with the stator being in the form of segments (14) with an extender (19) over only a portion of the geometric circle circumference defined by the rotor (11), with force components (3a, 3b) being formed during operation in the direction tangential to the surface of the rotor (11) and in the normal direction by the currents supplied to the electromagnet devices (15, 21) of the segments (14) of the stator, which force components (3a, 3b) cause a torque as well as two supporting forces in different radial directions at right angles to the rotor rotation axis (7). Patent claims: 1. Electromagnetic rotary drive mechanism (10) with a stator, which exhibits electromagnet mechanisms, those with a rotor (11), which with at least a permanent magnet (13) is trained, to whose turn just like to its electromagnetic storage co-operate, and with Steuerbzw. Controlling mean (20) for the electromagnetic storage and turn of the rotor (11), by the fact characterized that the stator is trained in form of a segment (14) or several segments (14) with an extending (19) only over a part or over parts one by the rotor (of 11) defined geometrical circle extent, whereby in the enterprise by those supplied rivers in as well as normal direction force components (3a, 3b), tangential to the surface of the rotor (11), are formed for the electromagnet mechanisms (15, 21) of the segment (14) or the segments (14) of the stator, the one resulting torque as well as two resulting carrying capacities in different radial Directions perpendicularly to the rotor axis of rotation cause (7). 2. Rotary drive mechanism according to requirement 1, by the fact characterized that at least two stator segments (14) are connected by at least a non-ferrousmagnetic construction unit (18) or material. 3. Rotary drive mechanism according to requirement 1 or 2, by the fact characterized that at least two stator segments (14) are intended, which are present in a distance (19) from each other, which corresponds at least the same as a half Polteilung of the rotor (11). 4. Rotary drive mechanism according to requirement 3, thus gekenn¬ draws that two sequential stator segments (14) are so to each other arranged concerning their distance that they are transferred by at least one Polteilung of the rotor (11). 5. Rotary drive mechanism after one of the requirements 1 to 4, by the fact characterized that the stator exhibits several segments (14) with in each case an electrical coil (21a-21d).
6. Rotary drive mechanism after one of the requirements 1 to 5, by the fact characterized that at least one coil (21a to 2Id) leads both current components to causing the carrying capacities and overlaid current components to causing the torque. 7. Rotary drive mechanism after one of the requirements 1 to 4, by the fact characterized that the stator segments (14) are provided ever with three from each other independent coils or strands (31a, 31b, 31c). 8. Rotary drive mechanism after one of the requirements 1 to 7, by the fact characterized that at least an electromagnetic stator segment (142) is designed as a slotless segment with an air gap coil (141). 9. Rotary drive mechanism after one of the requirements 1 to 8, by the fact characterized that at least an electromagnetic stator segment (142) exhibits a ferrousmagnetic thigh (151). 10. Rotary drive mechanism after one of the requirements 1 to 9, by the fact characterized that at least one stator segment (14) exhibits ferrousmagnetic teeth (22) and slots (23), whereby at least a ferrousmagnetic tooth with at least one coil (15; 21) is wound. 11. Rotary drive mechanism according to requirement 10, by the fact characterized that the teeth (22) of a stator segment (14) exhibit same widths of tooth face (5a, 5b). 12. Rotary drive mechanism according to requirement 10 or 11, by the fact characterized that at least the teeth (22) of a stator segment (14) exhibit partially unequal widths of tooth face (6a, βb). 13. Rotary drive mechanism after one of the requirements 1 to 12, by it characterized that in circumferential direction of the stator centrically or axially transferred between two stator segments (14) at least a ferrousmagnetic stator segment (91) is appropriate, the passive storage of the rotor (11) in at least one degree of freedom supports. 14. Rotary drive mechanism after one of the requirements 1 to 13, by it characterized that in circumferential direction of the stator centrically or axially transferred between two stator segments (14) at least a permanent magnetic stator segment (92) is appropriate, the passive storage of the rotor (11) in at least one degree of freedom supports. 15. Rotary drive mechanism after one of the requirements 1 to 14, by the fact characterized that the stator segments (14) at least a non-ferrousmagnetic carrier (4), e.g. from plastic, is attached. 16. Rotary drive mechanism after one of the requirements 1 to 15, by the fact characterized that the rotor (11) exhibits at least an surface-installed permanent magnet (13). 17. Rotary drive mechanism after one of the requirements 1 to 16, by the fact characterized that or the permanent magnet (EN) (13) in the rotor material is embedded and/or is. 18. Rotary drive mechanism after one of the requirements 1 to 17, by the fact characterized that the rotor (11) is equipped with at least one in radial direction (111) magnetized permanent magnet (13). 19. Rotary drive mechanism after one of the requirements 1 to 18, by the fact characterized that the rotor (11) is equipped with permanent magnets (13), magnetized in diametric, parallel directions (112), in each case. 20. Rotary drive mechanism after one of the requirements 1 to 19, by the fact characterized that the rotor (11) is equipped with at least one in tangential direction (113) magnetized permanent magnet (13). 21. Rotary drive mechanism after one of the requirements 1 to 20, by the fact characterized that the rotor (11) is equipped with at least one in axial direction (115) magnetized permanent magnet (13). , 22. Rotary drive mechanism after one of the requirements 1 to 15, by the fact characterized that the rotor (11) is implemented as permanent magnet rotor. 23. Rotary drive after one of the requirements 1 to 22, by the fact characterized that the line of the river is made in the rotor (11) by at least a ferrousmagnetic river guidance guidance piece (12). 24. Rotary drive mechanism after one of the requirements 1 to 23, by the fact characterized that for the increase the flow density in the gap (1) between stator and rotor (11) at least a ferrousmagnetic river concentrator guidance piece (of 61) is intended. 25. Rotary drive mechanism after one of the requirements 1 to 24, by the fact characterized that the rotor (11) exhibits at least a toothed or claw-shaped ferrousmagnetic Leitstück (81, 82). 26. Rotary drive mechanism after one of the requirements 23 to 25, by the fact characterized that by at least a ferrousmagnetic Leitstück (12, 61, 81, 82) the permanent magnetic river is turned back in a direction, which not with the direction of magnetization/the permanent magnet (EN) (13) agrees. 27. Rotary drive mechanism after one of the requirements 1 to 26, by the fact characterized that to the stator or rotor (11) directly or in their environment at least an electrically conductive workpiece (42) is so attached that with a movement of the rotor (11) due to the penetration of the conductive workpiece (42) with temporal or spatially variable magnetic fields mechanical oscillations of the rotor (11) are absorbed. 28. Rotary drive mechanism after one of the requirements 1 to 28, by the fact characterized that the stator segments (14) in the corner areas of a rectangular housing (4) of the rotary drive mechanism (10) is attached.
29. Rotary drive mechanism after one of the requirements 1 to 28, by the fact characterized that the rotor (11) with an impeller (25) for the promotion of gases or liquid media is implemented. 30. Rotary drive mechanism after one of the requirements 1 to 29, by the fact characterized that the rotor (11) is subjectable for the distance of at the rotor surface responsible parts, particles or liquids with a vibration in particular in radial direction. 31. Rotary drive mechanism after one of the requirements 1 to 30, by the fact characterized that at least one part Steuerbzw. Controlling mean (20) into the stator is integrated.