流清鼻涕是怎么回事专利名称:Fluid dynamic bearing
发明人:施 文章
甲鱼怎样养殖申请号:JP2020002406
申请日:20200619
公开号:JP3227916U
公开日:
鼠标自己乱动是怎么回事
20200924
专利内容由知识产权出版社提供
湖北的面积
专利附图:
东北娘们儿
摘要:PROBLEM TO BE SOLVED: To provide a fluid dynamic bearing having a
bidirectionally rotatable liquid guide groove, which is widely applicable to a fluid dynamic bearing rotating in both forward and rever directions. SOLUTION: A fluid dynamic bearing has at least one concave groove 1 and at least one liquid guide in a part of a
space sandwiched between the circumferential inner walls of two opposing inner wall surfaces on the inner diameter side of the fluid dynamic bearing. Grooves are provided, the concave groove is formed in a columnar shape, a conical columnar shape, or a rectangular annular shape (rectangular toroid shape), and the liquid guide groove is formed in a V-shaped annular shape (V-shaped toroid shape). ing. In the cross-ctional shape when the fluid dynamic bearing is cut on a surface parallel to the center line of the rotation axis of the fluid dynamic bearing and passing through the center line, one side of the concave groove pass through at least one concave liquid guide groove. It is connected to the other side of the concave groove and communicated. [Selection diagram] Fig. 1
申请人:施 文章
地址:台湾、新竹縣▲きゅう▼林郷上山村三民路16巷5弄4號框架合同
宝宝虾粥的做法国籍:TW
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代理人:服部 雅紀
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