发明名称 |
FLOATING BUSH BEARING DEVICE AND SUPERCHARGER PROVIDED WITH SAME |
摘要 |
An object is to provide a floating bush bearing device with excellent oscillation stability and small bearing loss. A floating bush bearing device (1) which rotatably supports a rotation shaft (R) includes: a bearing housing (10), a floating bush (20) rotatably disposed between the rotation shaft and an inner circumferential surface (10a) of the bearing housing, in the bearing housing, and a bush side oil supply hole (22) which is formed through the floating bush and is capable of supplying lubricating oil between the rotation shaft and the inner circumferential surface of the floating bush, the inner circumferential surface of the floating bush has a non-circular shape so that a gap portion (g) is formed between the rotation shaft and the inner circumferential surface of the floating bush, the gap portion having a predetermined clearance or larger regardless of relative positions of the rotation shaft and the inner circumferential surface of the floating bush, and the bush side oil supply hole (22) communicates with the gap portion. |
申请公布号 |
EP2937582(A1) |
申请公布日期 |
2015.10.28 |
申请号 |
EP20120890467 |
申请日期 |
2012.12.19 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
FUTAE, TAKAYA;KANKI, HIROSHI;HAYASHI, NORIYUKI;NISHIDA, HIDEAKI;OGAWA, SHINJI;YASUDA, CHIAKI;OZAWA, YUTAKA |
分类号 |
F16C17/18;F16C17/02;F16C33/10 |
主分类号 |
F16C17/18 |
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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