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Stator magnetic core with outer opening

A technology of outer opening and stator, which is applied to the static parts of the magnetic circuit, the shape/style/structure of the magnetic circuit, etc., can solve the problems of inconvenient operation, achieve the effect of facilitating processing and avoiding local stress concentration

Inactive Publication Date: 2013-01-23
TIANJIN HAOGAO MAGNETS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The openings of the slots on some existing stator cores face inward (towards the axis of the stator core), which is inconvenient to operate when winding

Method used

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  • Stator magnetic core with outer opening
  • Stator magnetic core with outer opening

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Embodiment Construction

[0014] Referring to the accompanying drawings, the present invention has a stator core with an outer opening, including eight slots evenly distributed around the axis, and the openings 3 of all the slots face outward, that is, the openings 3 of the slots are located on the outer circumferential surface of the stator core Above, there are stator teeth 1 between adjacent tooth slots.

[0015] The material of the stator core itself and the molding process can all adopt the existing technology. The cross-sectional shape of the part 2 where the tooth slot is used to place the winding is circular, and the part of the circle away from the axis of the stator core faces the outer circumferential surface of the stator core. The extension forms the opening 3 .

[0016] The openings of the slots of the stator magnetic core in the present invention are located on the outer peripheral surface, which facilitates the manufacture of windings. In addition, the circular cross-sectional shape is ...

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Abstract

The invention discloses a stator magnetic core with an outer opening, comprising a plurality of tooth grooves which are uniformly distributed along an axis; and openings of the tooth grooves are outward. A material of the stator magnetic core and a molding process all can adopt the prior art. The openings of the tooth grooves of the stator magnetic core are located on the outer circumference face and the manufacturing of a winding is convenient; and furthermore, a circular section shape is also convenient to machine so that the phenomenon that partial stress is concentrated is avoided.

Description

technical field [0001] The invention relates to a magnetic levitation motor component, in particular to a stator magnetic core in the magnetic levitation motor. Background technique [0002] Magnetic levitation motor, also known as magnetic levitation motor, can also be called magnetic force motor. It is a bearingless motor and a new type of motor. The biggest difference from traditional motors is that the motor itself can generate both torque and magnetic levitation to support the rotor. The force enables the rotor to rotate without mechanical friction. [0003] The stator in the magnetic levitation motor generally includes a stator core and a winding. The stator core is sintered from a magnetic material and has stator teeth. Between adjacent stator teeth are tooth slots for placing the winding. [0004] The shape of the stator core and the distribution of the slots have a certain impact on the performance of the magnetic levitation motor. Therefore, it is necessary to con...

Claims

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Application Information

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IPC IPC(8): H02K1/12
Inventor 孙晓海
Owner TIANJIN HAOGAO MAGNETS