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1. 发明公开

EP3321527A1 FLOATING BUSH BEARING DEVICE, AND TURBOCHARGER PROVIDED WITH SAID BEARING DEVICE 有权转让
标题翻译：浮动衬套轴承装置和带有所述轴承装置的涡轮增压器
公开(公告)号：EP3321527A1
公开(公告)日：2018-05-16
申请号：EP17201107.4
申请日：2014-02-27
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： FUTAE, Takaya , NISHIOKA, Tadasuke , NAMBU, Takashi , HAYASHI, Noriyuki , SUZUKI, Hiroshi
IPC分类号： F16C17/18 , F02B39/00 , F02B39/14 , F16C33/10
CPC分类号： F16C33/1045 , F01D25/166 , F02B33/40 , F02B37/00 , F02B39/14 , F05D2220/40 , F05D2240/30 , F05D2240/50 , F05D2260/98 , F16C17/02 , F16C17/18 , F16C33/106 , F16C33/1065 , F16C33/1075 , F16C33/1085 , F16C2360/24 , Y02T10/144
摘要： An object is to provide a floating bush bearing device (130) including a circumferential groove (110) over the entire circumference of an outer peripheral surface of a floating bush while ensuring that a pressing force is applied by lubricant oil to the floating bush to reduce oscillation, as well as a turbocharger provided with the bearing device. A floating bush bearing device includes: a rotary shaft disposed rotatably inside a bearing hole of a casing; a floating bush surrounding the rotary shaft; an oil-feed hole of lubricant oil having an opening on an inner peripheral surface of the bearing hole; a plurality of communication holes formed on the floating bush, each extending between an inner peripheral surface and an outer peripheral surface of the floating bush, and disposed at intervals in a circumferential direction of the floating bush; and a circumferential groove formed on the outer peripheral surface of the floating bush and extending over an entire circumference of the outer peripheral surface of the floating bush, the circumferential groove passing through openings of the plurality of communication holes or facing the openings of the plurality of communication holes. The circumferential groove has a cross-sectional area which varies in accordance with a circumferential position.
摘要翻译：本发明的目的在于提供一种浮动衬套轴承装置（130），该浮动衬套轴承装置（130）在浮动衬套的外周面的整个圆周上包括周向槽（110），同时确保润滑油向浮动衬套施加压力以减少振荡，以及设有轴承装置的涡轮增压器。浮动衬套轴承装置包括：旋转轴，其可旋转地设置在壳体的轴承孔内; 围绕旋转轴的浮动衬套; 润滑油的供油孔，在所述轴承孔的内周面具有开口部; 多个连通孔，所述连通孔形成在所述浮动衬套上，每个所述连通孔在所述浮动衬套的内周表面和外周表面之间延伸，并沿所述浮动衬套的圆周方向间隔设置; 以及周向凹槽，其形成在浮动衬套的外周表面上并且在浮动衬套的外周表面的整个圆周上延伸，周向凹槽穿过多个连通孔的开口或面向多个沟通孔。周向槽具有根据周向位置而变化的横截面积。

2. 发明公开

EP3196437A1 TURBOMACHINE 有权转让
标题翻译：叶轮机
公开(公告)号：EP3196437A1
公开(公告)日：2017-07-26
申请号：EP14906219.2
申请日：2014-11-17
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： FUTAE, Takaya , DANMOTO, Yosuke , NISHIOKA, Tadasuke , AKIYAMA, Yoji
IPC分类号： F02B39/14
CPC分类号： F02B39/14 , F01D25/166 , F01D25/18 , F04D29/051 , F04D29/063 , F05D2220/40 , F05D2250/312 , F16C17/04 , F16C33/1025 , F16C33/106 , F16C2360/24
摘要： A turbomachine includes: a rotational shaft; a pair of thrust collars disposed around the rotational shaft; a thrust bearing disposed around the rotational shaft at an axial directional position between the pair of thrust collars; and an oil-drain channel disposed around the rotational shaft, for draining lubricant oil after lubricating a sliding portion between the thrust bearing and the thrust collars. The oil-drain channel includes: an oil-drain port portion for discharging the lubricant oil inside the oil-drain channel downward; and an oil-guide channel portion disposed above the oil-drain port portion and configured to guide the lubricant oil from the sliding portion in a circumferential direction of the rotational shaft to the oil-drain port portion. The oil-guide channel portion has an asymmetric shape with respect to a rotational direction of the rotational shaft, the oil-guide channel portion having a minimum flow-path cross sectional area at a first position on an upstream side in the rotational direction, and a maximum flow-path cross sectional area at a second position on a downstream side of the first position.
摘要翻译：涡轮机包括：旋转轴; 围绕旋转轴设置的一对止推环; 推力轴承，所述推力轴承在所述一对止推环之间的轴向方向位置处围绕所述旋转轴布置; 以及布置在所述旋转轴周围的排油通道，用于在润滑推力轴承和止推环之间的滑动部分之后排出润滑油。排油通道包括：用于将排油通道内的润滑油向下排出的排油口部分; 以及导油通道部分，该导油通道部分设置在排油口部分的上方并且构造成将来自滑动部分的润滑油在旋转轴的圆周方向上引导到排油口部分。导油通道部分相对于旋转轴的旋转方向具有不对称的形状，导油通道部分在旋转方向的上游侧的第一位置具有最小的流动路径横截面积，以及在第一位置的下游侧的第二位置处的最大流路截面积。

3. 发明公开

EP3045751A1 TILTING PAD BEARING 审中-公开
标题翻译： KIPPSEGMENTLAGER
公开(公告)号：EP3045751A1
公开(公告)日：2016-07-20
申请号：EP15823303.1
申请日：2015-01-27
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： NISHIOKA, Tadasuke
IPC分类号： F16C17/03
CPC分类号： F16C17/22 , F16C17/03 , F16C33/1075 , F16C33/108 , F16C2240/70
摘要： A tilting-pad bearing for rotatably supporting a rotor includes: a casing; and a plurality of bearing pads each mounted to the casing pivotably about a pivot. Each of the plurality of bearing pads has a bearing pad surface facing the rotor, the bearing pad surface including a first region disposed on an upstream side in a rotational direction of the rotor and having a first curvature radius, and a second region disposed on a downstream side of the first region in the rotational direction and having a second curvature radius smaller than the first curvature radius.
摘要翻译：用于可转动地支撑转子的倾斜垫轴承包括：壳体; 以及多个轴承瓦片，每个轴承瓦片可绕枢轴枢转地安装到外壳上。所述多个轴承瓦块中的每一个具有面向所述转子的轴承瓦块表面，所述轴承瓦块表面包括设置在所述转子的旋转方向上的上游侧并具有第一曲率半径的第一区域，以及设置在所述第一区域上的第二区域在第一区域的旋转方向的下游侧，并且具有小于第一曲率半径的第二曲率半径。

4. 发明公开

EP2979973A1 STERN PIPE SEAL DEVICE 有权转让
标题翻译： STERNROHRDICHTUNGSVORRICHTUNG
公开(公告)号：EP2979973A1
公开(公告)日：2016-02-03
申请号：EP13880388.7
申请日：2013-03-27
申请人： Mitsubishi Heavy Industries, Ltd. , Wartsila Japan Ltd.
发明人： NISHIOKA, Tadasuke , YANO, Akihiko , SANO, Takeshi , HIMENO, Nobuhiro , KYOGOKU, Mashiba
IPC分类号： B63H23/36 , F16J15/32
CPC分类号： B63H23/36 , B63H23/321 , B63H2023/327 , F16J15/006 , F16J15/162 , F16J15/324 , F16J15/3244
摘要： [Problem] To provide a stem pipe seal device configured so as to cool and lubricate the portion of a first seal ring which is in sliding contact with a liner, thereby preventing the wear of the seal ring and improving the durability of the seal ring. [Solution] A stern pipe seal device (12) for a propeller shaft (10) rotatably supports a propeller (21). The stem pipe seal device is provided with: a housing (13) which is fitted over the liner (11) of the propeller shaft (10) and which holds seal rings; a first seal ring (1) which, among the seal rings, is located closest to the stem; a second seal ring (2) which is disposed on the front side, with respect to the ship, of the first seal ring (1) at a distance from the first seal ring (1); and a discharge opening (31d) which discharges lubricating oil for cooling the first seal ring (1). The stem pipe seal device is characterized in that the discharge opening (31d) is disposed near the slide contact section (G) where the liner (11) and the first seal ring (1) are in sliding contact with each other.
摘要翻译： [问题]提供一种杆管密封装置，其构造成冷却并润滑与衬套滑动接触的第一密封环的部分，从而防止密封环的磨损并提高密封环的耐久性。解决方案用于传动轴（10）的船尾管密封装置（12）可旋转地支撑螺旋桨（21）。杆管密封装置设置有：壳体（13），其安装在传动轴（10）的衬套（11）上并且保持密封环; 第一密封环（1），其在所述密封环中位于最靠近所述杆的位置; 第一密封环（1）的第一密封环（1）相对于第一密封环（1）的相对于船舶的前侧设置的第二密封环（2）; 以及排出用于冷却第一密封环（1）的润滑油的排出口（31d）。所述杆管密封装置的特征在于，所述排出口（31d）设置在所述衬套（11）和所述第一密封环（1）彼此滑动接触的滑动接触部（G）附近。

5. 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。

6. 发明公开

EP3112707A1 FLOATING BUSH BEARING DEVICE, AND TURBOCHARGER PROVIDED WITH SAID BEARING DEVICE 有权转让
标题翻译：浮动衬套轴承装置和带有所述轴承装置的涡轮增压器
公开(公告)号：EP3112707A1
公开(公告)日：2017-01-04
申请号：EP14884074.7
申请日：2014-02-27
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： FUTAE, Takaya , NISHIOKA, Tadasuke , NAMBU, Takashi , HAYASHI, Noriyuki , SUZUKI, Hiroshi
IPC分类号： F16C17/18 , F02B39/00 , F02B39/14
CPC分类号： F16C33/1045 , F01D25/166 , F02B33/40 , F02B37/00 , F02B39/14 , F05D2220/40 , F05D2240/30 , F05D2240/50 , F05D2260/98 , F16C17/02 , F16C17/18 , F16C33/106 , F16C33/1065 , F16C33/1075 , F16C33/1085 , F16C2360/24 , Y02T10/144
摘要： An object is to provide a floating bush bearing device including a circumferential groove over the entire circumference of an outer peripheral surface of a floating bush while ensuring that a pressing force is applied by lubricant oil to the floating bush to reduce oscillation, as well as a turbocharger provided with the bearing device. A floating bush bearing device includes: a rotary shaft disposed rotatably inside a bearing hole of a casing; a floating bush surrounding the rotary shaft; an oil-feed hole of lubricant oil having an opening on an inner peripheral surface of the bearing hole; a plurality of communication holes formed on the floating bush, each extending between an inner peripheral surface and an outer peripheral surface of the floating bush, and disposed at intervals in a circumferential direction of the floating bush; and a circumferential groove formed on the outer peripheral surface of the floating bush or the inner peripheral surface of the bearing hole and extending over an entire circumference of the outer peripheral surface of the floating bush or the inner peripheral surface of the bearing hole, the circumferential groove passing through openings of the plurality of communication holes or facing the openings of the plurality of communication holes. The circumferential groove has a cross-sectional area which varies in accordance with a circumferential position.
摘要翻译：本发明的目的在于提供一种浮动衬套轴承装置，该浮动衬套轴承装置在浮动衬套的外周面的整个圆周上具有周向槽，同时确保润滑油对浮动衬套施加的压力以减少振荡，以及带有轴承装置的涡轮增压器。浮动衬套轴承装置包括：旋转轴，其可旋转地设置在壳体的轴承孔内; 围绕旋转轴的浮动衬套; 润滑油的供油孔，在所述轴承孔的内周面具有开口部; 多个连通孔，所述连通孔形成在所述浮动衬套上，每个所述连通孔在所述浮动衬套的内周表面和外周表面之间延伸，并沿所述浮动衬套的圆周方向间隔设置; 以及周向槽，其形成于浮动衬套的外周面或轴承孔的内周面，且遍及浮动衬套的外周面或轴承孔的内周面的整周而形成，凹槽穿过多个连通孔的开口或面对多个连通孔的开口。周向槽具有根据周向位置而变化的横截面积。

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