JPH0423831U - - Google Patents
Info
- Publication number
- JPH0423831U JPH0423831U JP6566290U JP6566290U JPH0423831U JP H0423831 U JPH0423831 U JP H0423831U JP 6566290 U JP6566290 U JP 6566290U JP 6566290 U JP6566290 U JP 6566290U JP H0423831 U JPH0423831 U JP H0423831U
- Authority
- JP
- Japan
- Prior art keywords
- connecting body
- magnetic
- magnetic layer
- temperature
- temperature sensor
- 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.)
- Granted
Links
- 239000006249 magnetic particle Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 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 2
- 239000000696 magnetic material Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Soft Magnetic Materials (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……ステータ、２……励磁コイル、５……駆
動回転軸、６ａ，６ｂ……磁性層、８ａ，８ｂ…
…検出コイル、９……検出回路、１１……ドライ
ブメンバ、１２……ドリブンメンバ、１６……磁
性粒子、１７……被駆動回転軸、２０……温度セ
ンサ。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 present invention, and FIG. 2 is a sectional view showing the structure of a conventional magnetic particle type electromagnetic coupling device. DESCRIPTION OF SYMBOLS 1... Stator, 2... Excitation coil, 5... Drive rotating shaft, 6a, 6b... Magnetic layer, 8a, 8b...
...detection coil, 9 ...detection circuit, 11 ... drive member, 12 ... driven member, 16 ... magnetic particle, 17 ... driven rotating shaft, 20 ... temperature sensor. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
で形成され上記第１の連結主体と空隙をもつて対
向して連結可能に配設された第２の連結主体と、
上記空隙内に充填された磁性粒子と、この磁性粒
子を磁化して上記第１および第２の連結主体間に
伝達トルクを与える励磁コイルと、上記第１の連
結主体に固定された駆動回転軸と、この駆動回転
軸の表面に固着され磁歪材からなる磁性層と、こ
の磁性層の近傍に設けられこの磁性層の温度を検
出する温度センサと、上記検出コイルの検出出力
から上記駆動回転軸のトルクに応じた出力を発生
するとともに上記温度センサの検出温度に応じて
上記磁性層の温度特性の補正を行う検出回路とを
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 formed of a magnetic material and disposed so as to be connectable with the first connecting body facing the first connecting body with a gap;
magnetic particles filled in the gap; an excitation coil that magnetizes the magnetic particles to transmit torque between the first and second connecting bodies; and a drive rotating shaft fixed to the first connecting body. A magnetic layer made of a magnetostrictive material is fixed to the surface of the drive rotation shaft, a temperature sensor is provided near the magnetic layer to detect the temperature of the magnetic layer, and the drive rotation shaft is detected from the detection output of the detection coil. A magnetic particle type electromagnetic coupling device comprising: a detection circuit that generates an output according to the torque of the temperature sensor and corrects the temperature characteristics of the magnetic layer according to the temperature detected by the temperature sensor.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6566290U JPH088351Y2 (en) | 1990-06-20 | 1990-06-20 | Magnetic particle type electromagnetic coupling device |
| DE4120243A DE4120243C2 (en) | 1990-06-20 | 1991-06-19 | Magnetic powder clutch |
| US07/717,570 US5137128A (en) | 1990-06-20 | 1991-06-19 | Magnetic particle type electromagnetic clutch with torque detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6566290U JPH088351Y2 (en) | 1990-06-20 | 1990-06-20 | Magnetic particle type electromagnetic coupling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0423831U true JPH0423831U (en) | 1992-02-26 |
| JPH088351Y2 JPH088351Y2 (en) | 1996-03-06 |
Family
ID=31597690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6566290U Expired - Lifetime JPH088351Y2 (en) | 1990-06-20 | 1990-06-20 | Magnetic particle type electromagnetic coupling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH088351Y2 (en) |
-
1990
- 1990-06-20 JP JP6566290U patent/JPH088351Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH088351Y2 (en) | 1996-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |