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Short-circuit member, commutator, armature, and method for manufacturing short-circuit member

A technology of a commutator and a commutator sheet is applied in the field of manufacturing the short-circuit components, and can solve the problems of complex integration of the first conductor component group and the second conductor component group, etc.

Inactive Publication Date: 2008-11-19
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This complicates the integration of the first conductor part set with the second conductor part set

Method used

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  • Short-circuit member, commutator, armature, and method for manufacturing short-circuit member
  • Short-circuit member, commutator, armature, and method for manufacturing short-circuit member
  • Short-circuit member, commutator, armature, and method for manufacturing short-circuit member

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no. 1 example

[0023] A first embodiment of the present invention will now be described with reference to the drawings.

[0024] The armature 1 shown in FIG. 1 is disposed inside a stator (not shown), and forms a motor together with the stator. The stator has permanent magnets arranged in the circumferential direction of the armature 1 .

[0025] The armature 1 includes a metal rotating shaft 2 , an armature core 3 , a commutator 4 , and a coil 5 wound around the armature core 3 . The armature core 3 and the commutator 4 are fixed around the rotating shaft 2 . Both ends of the rotary shaft 2 are rotatably supported by the stator.

[0026] The armature core 3 includes an annular fixing portion 3 a and a tooth portion 3 b extending radially outward from the outer circumference of the fixing portion 3 a. The fixing portion 3a has a hole through which the rotation shaft 2 passes. The coil 5 is wound around the teeth 3b.

[0027] The commutator 4 includes a commutator body 11 fixed to the ro...

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Abstract

The invention relates to a short current component, a commutator, an armature and a method for manufacturing the short current component. The short current component comprises a first conductive component group and a second conductive component group. The amount of conductive components of the first conductive component group is equal to the amount of the conductive components of the second conductive component group. An internal terminal of each conductive component deviates along the circumference of the corresponding conductive component group toward an external terminal of the same conductive component. Each external terminal of the first conductive component group deviates along the circumference of the first conductive component group toward one external terminal corresponding to one of the external terminals of the second conductive component group.

Description

technical field [0001] The invention relates to a short-circuit member for short-circuiting predetermined commutator pieces with each other so as to have the same potential, a commutator having the short-circuit member, an armature having the commutator, and a method of manufacturing the short-circuit member. technical background [0002] In an electric machine, such as a DC motor with a commutator and a supply brush sliding against the commutator, current flows through the armature coils of the armature through the supply brush and the commutator. The commutator has a plurality of commutator segments, and a predetermined one of the commutator segments is short-circuited by a short-circuit member. By short-circuiting the predetermined laminations, current flows through those laminations which are not in contact with the supply brush. This allows the number of power supply brushes to be reduced. [0003] For example, Japanese Patent Laid-Open No. 2005-137193 discloses a sho...

Claims

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Application Information

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IPC IPC(8): H01R39/04H01R43/06H02K13/00H02K15/00
Inventor 影山良平山本敏夫
Owner DENSO CORP