JPS646433U - - Google Patents
Info
- Publication number
- JPS646433U JPS646433U JP10115787U JP10115787U JPS646433U JP S646433 U JPS646433 U JP S646433U JP 10115787 U JP10115787 U JP 10115787U JP 10115787 U JP10115787 U JP 10115787U JP S646433 U JPS646433 U JP S646433U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- electromagnetic coupling
- driving
- coupling device
- particle type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006249 magnetic particle Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims 2
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Description
第１図はこの考案の一実施例による磁性粒子式
電磁連結装置の断面図、第２図は被駆動体の側面
図、第３図は従来の磁性粒子式電磁連結装置の断
面図、第４図および第５図は従来の高速回転時の
無励磁と励磁状態の磁性粒子の分布を示す要部拡
大断面図である。
２……励磁コイル、３……駆動体、４，５……
駆動部材、１０……磁性粒子、１５……被駆動体
、１５ａ……螺旋状溝、ｇ１，ｇ２……エアギヤ
ツプ。なお、図中同一符号は同一又は相当部分を
示す。
Fig. 1 is a sectional view of a magnetic particle electromagnetic coupling device according to an embodiment of the invention, Fig. 2 is a side view of a driven body, Fig. 3 is a sectional view of a conventional magnetic particle electromagnetic coupling device, and Fig. 4 is a sectional view of a conventional magnetic particle electromagnetic coupling device. 5 and 5 are enlarged cross-sectional views of main parts showing the distribution of magnetic particles in non-excitation and excitation states during conventional high-speed rotation. 2... Excitation coil, 3... Drive body, 4, 5...
Driving member, 10... Magnetic particles, 15... Driven body, 15a... Spiral groove, g1 , g2 ... Air gap. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
端面の間隔をあけ結合して構成された駆動体と、
円板体を有し、上記駆動体の双方の駆動部材の内
端面間にそれぞれ軸方向のエアギヤツプをあけ、
かつ、外円周側に空所をあけ配置された被駆動体
と、上記双方のエアギヤツプ部に充てんされる磁
性粒子と、通電されて磁束を発生し、上記駆動部
材から上記両エアギヤツプを介し上記被駆動体を
経る磁路に通し、上記磁性粒子を磁化するための
励磁コイルとを備えた電磁連結装置において、上
記被駆動体の駆動体に対向する少なくとも一側面
に螺旋状溝を形成したことを特徴とする磁性粒子
式電磁連結装置。 (2) 螺旋状溝が複数条設けられていることを特
徴とする実用新案登録請求の範囲第１項記載の磁
性粒子式電磁連結装置。 (3) 螺旋状溝が駆動体の回転方向と同一方向に
外径から内径へ巻かれていることを特徴とする実
用新案登録請求の範囲第１項または第２項記載の
磁性粒子式電磁連結装置。[Claims for Utility Model Registration] (1) A drive body configured by coupling a pair of drive members with a space between their inner end surfaces in the axial direction;
having a disc body, and providing an air gap in the axial direction between the inner end surfaces of both driving members of the driving body,
In addition, the driven body disposed with a space on the outer circumferential side and the magnetic particles filled in both of the air gap parts are energized to generate magnetic flux, and the magnetic flux is transmitted from the driving member through both the air gaps to the magnetic particles. An electromagnetic coupling device including an excitation coil for magnetizing the magnetic particles through a magnetic path passing through the driven body, wherein a spiral groove is formed on at least one side of the driven body facing the driving body. A magnetic particle type electromagnetic coupling device featuring: (2) The magnetic particle type electromagnetic coupling device according to claim 1 of the utility model registration, characterized in that a plurality of spiral grooves are provided. (3) The magnetic particle type electromagnetic coupling according to claim 1 or 2, wherein the spiral groove is wound from the outer diameter to the inner diameter in the same direction as the rotational direction of the driving body. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10115787U JPS646433U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10115787U JPS646433U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646433U true JPS646433U (en) | 1989-01-13 |
Family
ID=31329896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10115787U Pending JPS646433U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646433U (en) |
-
1987
- 1987-06-30 JP JP10115787U patent/JPS646433U/ja active Pending
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