阅读说明：本技术 电机及操作电机的方法 (Electric machine and method for operating an electric machine ) 是由 古拉克·达亚库 于 2019-10-25 设计创作，主要内容包括：公开了一种电机(20),其具有定子(21)和安装为相对于该定子(21)能够旋转的转子(22)。转子(22)包括具有两个磁体(23)的至少一个磁极对。此外,转子(22)还具有至少部分地延伸穿过转子(22)的至少两个凹部(25),其中该凹部(25)布置在转子(22)的相对侧上,并且转子(22)的磁极对的数量不同于在转子(22)的操作期间能够生成的电磁极对的数量。还公开了一种用于操作该电机(20)的方法。(An electric machine (20) is disclosed having a stator (21) and a rotor (22) mounted for rotation relative to the stator (21). The rotor (22) comprises at least one pole pair with two magnets (23). Furthermore, the rotor (22) has at least two recesses (25) extending at least partially through the rotor (22), wherein the recesses (25) are arranged on opposite sides of the rotor (22) and the number of magnetic pole pairs of the rotor (22) is different from the number of electromagnetic pole pairs that can be generated during operation of the rotor (22). A method for operating the motor (20) is also disclosed.)

1. An electric machine (20) having a stator (21) and a rotor (22) mounted for rotation relative to the stator (21), wherein the rotor (22) comprises:

-at least one pole pair with two magnets (23), and

-at least two recesses (25) extending at least partially through the rotor (22), wherein,

-the recesses (25) are arranged at opposite sides of the rotor (22), and

-the number of magnetic pole pairs of the rotor (22) is different from the number of electromagnetic pole pairs that can be generated during operation of the rotor (22).

2. The electric machine (20) of claim 1, wherein the number of magnetic pole pairs of the rotor (22) is less than the number of electromagnetic pole pairs that can be generated during operation of the rotor (22).

3. The electric machine (20) according to any of the preceding claims, wherein the magnet (23) is a permanent magnet.

4. The electric machine (20) according to any of the preceding claims, wherein the magnetic axis of the magnet (23) is perpendicular to the radial direction in a cross section through the rotor (22).

5. The electric machine (20) according to any of the preceding claims, wherein the rotor (22) has at least one further pole pair comprising two further magnets (24).

6. The electric machine (20) according to the preceding claim, wherein the further magnet (24) is a permanent magnet.

7. The electric machine (20) of claim 5, wherein the additional pole pair is formed by at least one electromagnet.

8. The electric machine (20) according to any of claims 5 to 7, wherein the magnetic axis of the magnet (23) points in the opposite direction to the magnetic axis of the further magnet (24).

9. The electric machine (20) according to any of claims 5 to 8, wherein the magnetic axis of the magnet (23) is perpendicular to the radial direction in a cross section through the rotor (22), and wherein the magnetic axis of the further magnet (24) is not perpendicular to the radial direction in a cross section through the rotor (22).

10. The electric machine (20) according to any of claims 5 to 8, wherein the extension of the magnet (23) or the further magnet (24) along the circumference of the rotor (22) is larger or smaller than 180 electrical degrees, respectively.

11. The electric machine (20) according to any of the preceding claims, wherein the two recesses (25) extend at least partially through the rotor (22) parallel to a radial direction in a cross section through the rotor (22).

12. The electric machine (20) according to any of the preceding claims, wherein the magnets (23) are arranged in one of the recesses (25) of the rotor (22), respectively.

13. The electrical machine (20) according to any of claims 1 to 10, wherein a non-magnetic insulating material (27) is arranged in the recess (25).

14. The electric machine (20) according to any of the preceding claims, wherein a main extension direction of the magnets (23) extends in a radial direction in a cross section through the rotor (22).

15. The electric machine (20) according to any of the preceding claims, comprising at least one further rotor (37) configured similar to the rotor (22), wherein the rotor (22) and the further rotor (37) are arranged along an axis and are rotated at least 45 electrical degrees with respect to each other.

16. A method of operating an electrical machine (20) according to any preceding claim in which a component of the magnetomotive force of the rotor (22) of order greater than 1 is used to generate torque.