发明名称 Ferro-fluid bearing
摘要 A bearing having a cylindrical bore and a shaft in the bore with ferrofluid between the shaft and the bore walls. The cylindrical bearing is made of ferromagnetic material, and it is magnetized with its internal magnetization radially directed relative to the axis of the bore. Also pertains to a method for making and magnetizing the bearing.
申请公布号 US4645960(A) 申请公布日期 1987.02.24
申请号 US19800209628 申请日期 1980.11.24
申请人 LITTON SYSTEMS, INC. 发明人 HOFFMAN, GEORGE J.
分类号 F16C33/10;F16C33/74;(IPC1-7):F16C39/06 主分类号 F16C33/10
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