发明名称 |
MANUFACTURING METHOD OF RING-TYPE MAGNET, MAGNETIC FIELD FORMING DEVICE AND MANUFACTURING DEVICE OF RING-TYPE MAGNET |
摘要 |
<p>A manufacturing method has a process for arranging N-1 pieces of conveyance molds (10) between coil parts (111) which are coaxially arranged for N stages (N is integer of 3 or above) and for radially orienting magnetic powder in the conveyance molds (10) with an opposed magnetic field generated from the adjacent coil parts (111), a process for pressurizing magnetic powder in the conveyance molds (10), a process for demolding an oriented and pressurized ring compact from the conveyance mold (10) and laminating a plurality of the ring compacts and a process for sintering and integrating the laminated ring compacts. The coil parts (111) generate an AC magnetic field whose amplitude attenuates with time.</p> |
申请公布号 |
WO2009013786(A1) |
申请公布日期 |
2009.01.29 |
申请号 |
WO2007JP00796 |
申请日期 |
2007.07.26 |
申请人 |
MITSUBISHI ELECTRIC CORPORATION;IWAMI, TAIZO;UGAI, YOSHIKAZU;FURUSAWA, KIMIYASU |
发明人 |
IWAMI, TAIZO;UGAI, YOSHIKAZU;FURUSAWA, KIMIYASU |
分类号 |
H01F41/02;B22F3/02;B30B11/00 |
主分类号 |
H01F41/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|