JPH0464983U

JPH0464983U -

Info

Publication number: JPH0464983U
Application number: JP10877990U
Authority: JP
Priority date: 1990-10-16
Filing date: 1990-10-16
Publication date: 1992-06-04

Description

[Brief explanation of drawings]

第１図はこの考案の実施例を示す回転型電磁駆
動装置の概略縦断面図、第２図は第１図−線
の断面図、第３図は第１図−線の断面図、第
４図は第１図−線の断面図である。１……外周面、２……内周面、３……最大歯列
、４……中間歯列、５……最小歯列、６……歯、
７……歯、８……歯、１０……最大磁極列、１１
……中間磁極列、１２……最小磁極列、１３ａ，
１３ｂ，１３ｃ，１３ｄ……磁極、１４ａ，１４
ｂ，１４ｃ，１４ｄ……磁極、１５ａ，１５ｂ，
１５ｃ，１５ｄ……磁極、１６ａ，１６ｂ，１６
ｃ，１６ｄ……励磁コイル、１７ａ，１７ｂ，１
７ｃ，１７ｄ……励磁コイル、１８ａ，１８ｂ，
１８ｃ，１８ｄ……励磁コイル、Ａ……被駆動体
、Ｂ……駆動体、Ｃ……回転中心軸。 Fig. 1 is a schematic vertical sectional view of a rotary electromagnetic drive device showing an embodiment of this invention, Fig. 2 is a sectional view taken along the line shown in Fig. 1, Fig. 3 is a sectional view taken along the line taken in Fig. The figure is a sectional view taken along the line of FIG. 1. 1... Outer circumferential surface, 2... Inner circumferential surface, 3... Maximum tooth row, 4... Intermediate tooth row, 5... Minimum tooth row, 6... Teeth,
7...Teeth, 8...Teeth, 10...Maximum magnetic pole row, 11
...Middle magnetic pole row, 12...Minimum magnetic pole row, 13a,
13b, 13c, 13d...magnetic pole, 14a, 14
b, 14c, 14d...magnetic pole, 15a, 15b,
15c, 15d...magnetic pole, 16a, 16b, 16
c, 16d... Excitation coil, 17a, 17b, 1
7c, 17d... Excitation coil, 18a, 18b,
18c, 18d... Excitation coil, A... Driven body, B... Drive body, C... Rotation center axis.

Claims

[Claims for Utility Model Registration] A cylindrical body and a cylindrical body disposed concentrically at the center thereof can rotate relative to each other about their central axes with their peripheral surfaces facing each other. , one of the cylindrical body and the cylindrical body is a driving body, and the other is a driven body, and an excitation coil is wound around each of the driving bodies, which is formed at a predetermined pitch angle in the circumferential direction on the opposing circumferential surface of the driving body. A magnetic pole array consisting of a plurality of rotated magnetic poles is provided, and a plurality of teeth are formed on the opposing circumferential surface of the driven body at a pitch angle different from that of the magnetic poles in the circumferential direction, corresponding to the magnetic pole array of the driving body. In a rotary electromagnetic drive device, a plurality of magnetic pole rows with different pitch angles of magnetic poles are provided at intervals in the central axis direction on the opposing peripheral surface of the driving member, and A rotary electromagnetic drive characterized in that a plurality of tooth rows having different tooth pitch angles are provided at intervals in the central axis direction on the opposing circumferential surface, corresponding to the plurality of magnetic pole rows of the drive body. Device.