JPH0423833U - - Google Patents
Info
- Publication number
- JPH0423833U JPH0423833U JP6566490U JP6566490U JPH0423833U JP H0423833 U JPH0423833 U JP H0423833U JP 6566490 U JP6566490 U JP 6566490U JP 6566490 U JP6566490 U JP 6566490U JP H0423833 U JPH0423833 U JP H0423833U
- Authority
- JP
- Japan
- Prior art keywords
- connecting body
- magnetic
- shaft
- bracket
- magnetic layer
- 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 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 2
- 230000035699 permeability Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
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
電磁連結装置の構成を示す断面図、第２図は従来
の磁性粒子式電磁連結装置の構成を示す断面図で
ある。
１……駆動回転軸、２……ドライブメンバ、３
ａ，３ｂ……磁性層、５，１７……ブラケツト、
６……ステータ、８ａ，８ｂ……検出コイル、１
０……励磁コイル、１１……ドリブンメンバ、１
２……磁性粒子、１６……被駆動回転軸、１８…
…含油軸受。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 showing the structure of a magnetic particle type electromagnetic coupling device according to an embodiment of the invention, and FIG. 2 is a sectional view showing the structure of a conventional magnetic particle type electromagnetic coupling device. 1... Drive rotation shaft, 2... Drive member, 3
a, 3b...magnetic layer, 5, 17...bracket,
6... Stator, 8a, 8b... Detection coil, 1
0... Excitation coil, 11... Driven member, 1
2... Magnetic particles, 16... Driven rotating shaft, 18...
...Oil-impregnated bearing. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
連結主体と空隙をもつて対向されかつ磁性材で形
成された第２連結主体と、上記第１連結主体と上
記第２連結主体間の空隙内に充填された磁性粒子
と、この磁性粒子を磁化させて上記第１連結主体
と第２連結主体間を動力的に連結させる励磁コイ
ルと、上記第１連結主体および上記第２連結主体
のそれぞれに連結され一方が駆動側の時に他方が
被駆動側となる二つの軸体と、この二つの軸体の
うちの駆動側となる軸体の外周面に固着され軸体
のトルクによる歪に応じて透磁率が変化する磁性
層と、この磁性層の透磁率の変化を磁気的インピ
ーダンスの変化として検出する検出コイルと、上
記二つの軸体をそれぞれ回転自在に支承するブラ
ケツトと、少なくとも上記磁性層が固着されてい
る側の軸体を支承しているブラケツトにこの磁性
層の手前側から上記ブラケツト側に熱伝導させる
ための熱伝導性の良好な含油軸受とを備えた磁性
粒子式電磁連結装置。 a first connecting body formed of a magnetic material;
a second connecting body facing the connecting body with a gap and formed of a magnetic material; magnetic particles filled in the gap between the first connecting body and the second connecting body; and magnetizing the magnetic particles. an excitation coil that dynamically connects the first connecting body and the second connecting body; and an excitation coil that is connected to each of the first connecting body and the second connecting body so that when one is on the driving side, the other is on the driven side. A magnetic layer that is fixed to the outer peripheral surface of the shaft that is the driving side of the two shafts and whose magnetic permeability changes according to the strain caused by the torque of the shaft, and A detection coil that detects a change in magnetic permeability as a change in magnetic impedance, a bracket that rotatably supports each of the two shaft bodies, and supports at least the shaft body on the side to which the magnetic layer is fixed. A magnetic particle type electromagnetic coupling device comprising a bracket and an oil-impregnated bearing with good thermal conductivity for conducting heat from the front side of the magnetic layer to the bracket side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6566490U JPH0423833U (en) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6566490U JPH0423833U (en) | 1990-06-20 | 1990-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0423833U true JPH0423833U (en) | 1992-02-26 |
Family
ID=31597694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6566490U Pending JPH0423833U (en) | 1990-06-20 | 1990-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423833U (en) |
-
1990
- 1990-06-20 JP JP6566490U patent/JPH0423833U/ja active Pending
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