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Transverse flux motor

A technology for transverse flux motors and motor stators, applied to synchronous motors with stationary armatures and rotating magnets, magnetic circuits, electric components, etc., can solve problems such as high process difficulty and increased manufacturing costs, and achieve tooth pitch , Ensure stability, reduce the effect of electromagnetic torque ripple

Pending Publication Date: 2020-02-21
GUANGDONG WELLING ELECTRIC MACHINE MFG +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (2) The electromagnetic torque ripple is reduced by adopting inclined slots or oblique poles, but the process difficulty is also relatively high, resulting in increased manufacturing costs

Method used

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Embodiment Construction

[0051] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0052] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0053] Refer below Figure 1 to Figure 8 A transverse flux machine according to some embodiments of the invention is described.

[0054] Such as Figure 2 to Figure 4 As shown, the transverse flux...

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Abstract

The invention provides a transverse flux motor. The motor comprises a motor stator, wherein the motor stator comprises a plurality of stator modules spliced in the circumferential direction, and eachstator module comprises a stator iron core which comprises an arc-shaped stator yoke part and a plurality of stator teeth which are arranged on the arc-shaped stator yoke part and extend towards the axis direction, a stator winding which can surround the arc-shaped stator yoke part in the circumferential direction so as to generate transverse magnetic flux after being powered on, and a motor rotor, the motor rotor and the motor stator are assembled in a sleeving mode, an included angle between every two adjacent stator teeth meets the conditions that Nt is the number of the stator teeth on each stator module, m is the phase number of the motor, and p is the pole number of the motor rotor. The motor is advantaged in that compared with the setting direction that a tooth pitch of the adjacentstator teeth is equal to a polar pitch between the adjacent magnetic poles in the prior art, the electromagnetic torque pulsation can be reduced and he noise reduction can be realized while low costand the low-difficulty process coefficient are maintained by adjusting the tooth pitch.

Description

technical field [0001] The invention relates to the field of motors, in particular to a transverse flux motor. Background technique [0002] For motors such as transverse flux motors and claw pole permanent magnet motors, due to the positioning force between the stator teeth on the motor stator and the magnetic steel on the motor rotor, there is a large electromagnetic torque ripple during the rotation of the motor. In the related art, the following methods are used to reduce the electromagnetic torque ripple, but there are relative defects: [0003] (1) For transverse flux motors, the electromagnetic torque ripple of each phase of the motor can be offset by the inherent phase shift between the phases. However, when the number of phases is large, the structure of the motor is too complicated, and the process is difficult to realize. And it is usually applied to motors that increase the number of motor phases axially. [0004] (2) The electromagnetic torque ripple is reduce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/14H02K1/27H02K1/24H02K21/16
CPCH02K1/148H02K1/24H02K1/2766H02K21/16
Inventor 张兆强赵建兴陈金涛吴迪
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG
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