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公开(公告)号:US20160258485A1
公开(公告)日:2016-09-08
申请号:US15058382
申请日:2016-03-02
申请人: MINEBEA CO., LTD.
发明人: Nobuo TAKEUCHI , Masayuki IIJIMA , Tatsuya IDE
IPC分类号: F16C33/10 , F04D29/28 , F04D29/32 , F04D29/44 , F04D29/053 , F04D29/52 , F04D29/42 , F04D29/056 , F04D29/063 , F16C33/74 , F04D29/54
CPC分类号: F16C33/104 , F04D25/062 , F04D29/053 , F04D29/057 , F04D29/063 , F04D29/102 , F16C17/02 , F16C17/08 , F16C33/106 , F16C33/74 , F16C2202/10 , F16C2360/46
摘要: A bearing structure includes: a shaft; an oil-impregnated bearing that supports the shaft to be rotatable and includes a first sintered metal material having a first density; a bearing holder that supports an outer circumferential surface of the oil-impregnated bearing; and a seal member that is provided at an opening of the bearing holder, wherein the shaft is provided with an annular groove having a side surface portion that has an outer diameter that decreases as the side surface portion separates away from one end surface of the oil-impregnated bearing, and wherein the seal member includes a second sintered metal material having a second density that is lower than the first density of the first sintered metal material.
摘要翻译: 轴承结构包括:轴; 一种支承轴可旋转的含油轴承,包括具有第一密度的第一烧结金属材料; 支承所述含油轴承的外周面的轴承座; 以及密封构件,其设置在所述轴承保持器的开口处,其中所述轴设置有环形槽,所述环形槽具有侧表面部分,所述侧表面部分的外径随着所述侧表面部分与所述油的一个端面分离而减小 浸渍轴承,并且其中所述密封构件包括具有低于所述第一烧结金属材料的第一密度的第二密度的第二烧结金属材料。