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Radial stepping motor

A technology of stepping motors and stator yokes, applied in the manufacture of motor generators, electrical components, electromechanical devices, etc., can solve the problems of insufficient strength, unstable motor performance, and increased assembly man-hours, so as to improve strength and achieve thinner appearance , The effect of stable motor characteristics

Inactive Publication Date: 2008-10-29
MINEBEA MOTOR MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As described above, in order to make the motor thinner, it is necessary to make the parts constituting the motor thinner, resulting in problems such as insufficient strength, unstable motor performance, increased assembly man-hours, decreased production efficiency, and increased production costs.

Method used

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Embodiment Construction

[0017] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0018] 1. The first embodiment

[0019] In the first embodiment, for a radial stepping motor in which a coil formed by winding a stator yoke and a self-fuse wire by winding an adhesive sheet impregnated with an adhesive, and then thermally bonding them together, Give an example to illustrate.

[0020] (Constitution of radial stepping motor)

[0021] Figures 1A, 1B and figure 2 It is the configuration diagram of the radial stepping motor. Fig. 1A is the A-A sectional view of Fig. 1B, and Fig. 1B is the B-B sectional view of Fig. 1A, figure 2 is an exploded view. The outer rotor type radial stepping motor 1 shown in FIG. 1A and FIG. 1B is composed of a base plate 2 , an outer cover 3 , a stator 4 and a rotor 5 . The radial stepping motor 1 is a small vibration-generating stepping motor that does not require a core, and has, for example, an outer diameter o...

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Abstract

The present invention provides a radial stepping motor including: a coil that is comprised of a self-bonding magnet wire wound and fusion-bonded and that has annular surfaces; stator yokes that are supported by the annular surfaces of the coil; and bonding sheets bonding the stator yokes to the coil.

Description

technical field [0001] The invention relates to a radial stepping motor. The stator yoke is supported by the surface of the coil formed by self-fusible thermal bonding, and the coil is bonded to the coil by an adhesive sheet impregnated with adhesive, thereby realizing The profile is thinner, the strength of the stator is improved, and the assembly process is automated. Background technique [0002] In recent years, vibration-generating motors have been used in portable terminals such as mobile phones, PHS, and PDAs as means for realizing an incoming call notification function and a sensory vibration function. Along with the miniaturization of mobile terminals, the vibration generating motors are required to be miniaturized and thinner. However, this leads to problems of lower strength and increased assembly man-hours. [0003] Japanese Patent Application Laid-Open No. 7-298532 discloses a technology capable of reducing the number of assembly man-hours while achieving minia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K37/12H02K15/00H02K7/065
CPCH02K3/325H02K1/02H02K3/02H02K7/063
Inventor 松原真朗
Owner MINEBEA MOTOR MFG
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