发明名称 |
FERROFLUID SEAL APPARATUS |
摘要 |
A ferrofluid seal apparatus comprises magnetic fluid holding or positing means for storing or retaining a magnetic fluid in a sealing arrangement wherein inner and outer elements are relatively rotated. The magnetic fluid holding means includes an arrangement for retaining the magnetic fluid which flows out from its original position.
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申请公布号 |
US5152539(A) |
申请公布日期 |
1992.10.06 |
申请号 |
US19900586376 |
申请日期 |
1990.09.21 |
申请人 |
KOYO SEIKO CO., LTD. |
发明人 |
TAKII, HIROKAZU;ODA, TETSUO;ABE, SHINJI;SUZUKI, KAZUYA;KUSANO, HIROTSUGU |
分类号 |
F16C33/78;F16C33/82;F16J15/43;G11B19/20 |
主分类号 |
F16C33/78 |
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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