专利名称：Fluid dynamic bearing
发明人：施 文章
申请号：JP2020002406
2011上海高考英语
boundinpublic申请日：20200619
公开号：JP3227916U
公开日：
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专利内容由知识产权出版社提供
专利附图：
摘要：PROBLEM TO BE SOLVED: To provide a fluid dynamic bearing having a广州月嫂培训多少钱
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 aprodigy
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
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duf什么是支票地址：台湾、新竹縣▲きゅう▼林郷上山村三民路１６巷５弄４號
国籍：TW
代理人：服部 雅紀
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