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1. 发明公开

EP3184834A1 OIL DRAINING DEVICE FOR THRUST BEARING AND TURBO CHARGER PROVIDED WITH SAME 有权转让
标题翻译：排油装置推力轴承和涡轮充电器提供相同
公开(公告)号：EP3184834A1
公开(公告)日：2017-06-28
申请号：EP14908440.2
申请日：2014-12-18
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： NISHIOKA, Tadasuke , DANMOTO, Yosuke , TOMITA, Isao , NAMBU, Takashi , AKIYAMA, Yoji , KOJIMA, Yuya , ISHIZAKI, Tatsuya , YANO, Seigi , FUTAE, Takaya , EBISU, Motoki
IPC分类号： F16C33/10 , F04D29/056 , F16C17/04
CPC分类号： F16H57/0409 , F01D25/18 , F02B39/14 , F04D29/056 , F05D2220/40 , F16C17/04 , F16C33/1025 , F16C2360/24 , F16H57/042
摘要： An oil-drain device for a thrust bearing includes: a rotor shaft 2; a collar member 3 mounted to an outer periphery of the rotor shaft; a thrust bearing 4 supporting the rotor shaft in an axial direction; and an oil-drain space forming member 5 defining an oil-drain space 6 through which lubricant oil leaking from a sliding portion of the thrust bearing flows, between the thrust bearing and the oil-drain space forming member. The oil-drain space 6 includes: an oil-drain channel 6A defined between a first end surface of the thrust bearing and a first end surface of the oil-drain space forming member, surrounding the flange portion 32 of the collar member 3; and an oil-drain port 6B formed below the oil-drain channel 6A, for discharging the lubricant oil flowing through the oil-drain channel outside the oil-drain space. The oil-drain space is configured to guide the lubricant oil flowing through the oil-drain channel to outside the oil-drain space 6 via the oil-drain port 6B, along a flow direction f of the lubricant oil flowing through the oil-drain channel 6A from an upstream side toward a downstream side in a rotational direction R of the rotor shaft 2.
摘要翻译：一种用于推力轴承的排油装置包括：转子轴2; 安装到转子轴的外周的轴环构件3; 推力轴承4，其沿轴向支撑转子轴; 以及排油空间形成部件5，其限定排油空间6，在推力轴承和排油空间形成部件之间，润滑油从推力轴承的滑动部分泄漏，润滑油通过排油空间6流动。排油空间6包括：限定在推力轴承的第一端面和排油空间形成部件的第一端面之间的排油通道6A，其围绕轴环部件3的凸缘部分32; 以及形成在排油通道6A下方的排油口6B，用于排出在排油空间外部流过排油通道的润滑油。排油空间构造成将流过排油通道的润滑油经由排油口6B沿着流过排油通道的润滑油的流动方向f引导至排油空间6的外部流路6A从转子轴2的旋转方向R的上游侧朝向下游侧。

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