| 发明名称 |
Magnetic fluid incorporating fine magnetic powder and method for making the same |
| 摘要 |
A magnetic fluid having a base liquid and magnetic particles with so small average particle diameter as to be of some hundreds of angstroms dispersed in the base liquid. Such a magnetic fluid is produced by ejecting a molten magnetic metal adiabatically from an expansion nozzle against a bath of a base liquid.
|
| 申请公布号 |
US4576725(A) |
申请公布日期 |
1986.03.18 |
| 申请号 |
US19840620094 |
申请日期 |
1984.06.13 |
| 申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
MIURA, HIROHISA;SATOU, HIROSHI;KATAGIRI, HIDENORI;NATSUME, TOSHIO;AZUMA, HIDEKAZU |
| 分类号 |
B22F1/00;B22F9/12;H01F1/06;H01F1/28;H01F1/34;H01F1/44;(IPC1-7):H01F1/28;B22F9/00 |
主分类号 |
B22F1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
