发明名称 |
Spindle motor |
摘要 |
A spindle motor includes a bracket, a shaft member fixed to the bracket, a hub member rotatably mounted on the shaft member with a bearing member therebetween, a rotor magnet mounted on the hub member, a stator disposed in opposed relation to the rotor magnet, and a magnetic fluid sealing assembly disposed on on outer side of the bearings. The shaft member has an elastic sealing member which seals a through-hole formed in the shaft.
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申请公布号 |
US5153470(A) |
申请公布日期 |
1992.10.06 |
申请号 |
US19910805468 |
申请日期 |
1991.12.10 |
申请人 |
NIPPON DENSAN CORPORATION |
发明人 |
MIYAJI, ITSUO;UDA, TAKESHI;YONEI, HIROYUKI |
分类号 |
F16J15/43;G11B19/20;H02K5/124;H02K5/22;H02K11/00;H02K21/22 |
主分类号 |
F16J15/43 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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