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公开(公告)号：EP2940270A1
公开(公告)日：2015-11-04
申请号：EP12890999.1
申请日：2012-12-27
发明人： YOKOYAMA, Takao , TOJO, Masaki , NAGAE, Satomi , OSAKO, Masaki
IPC分类号： F02B37/24
CPC分类号： F02B37/24 , F01D17/16 , F02C6/12 , Y02T10/144
摘要： An object is to is to reduce a leakage flow by reducing a clearance between an end surface of a nozzle vane, forming a variable nozzle mechanism of a variable geometry turbocharger, and a wall surface facing the end surface, and prevent the nozzle vane from being stuck due to contact of the end surface.
A variable geometry turbocharger includes a nozzle shaft 49 which protrudes on one of the both end surfaces 58 of a nozzle vane 45 and rotatably supports the nozzle vane 45, a shaft hole 53 in which the nozzle shaft 49 fits with a gap in between, a distal end surface 57 of the nozzle vane with which a clearance is reduced when the nozzle vane 45 which has received exhaust-gas pressure is inclined toward an inner diameter side due to a fitting gap formed between the shaft hole 53 and the nozzle shaft 49 fit to each other, the clearance being formed between the distal end surface 57 and a wall surface 59a of another one of the parallel walls, and a clearance reduction promotion portion 65 which promotes reduction of the clearance with an increased inclination angle of the distal end surface 57 or an increased exhaust-gas-affected surface of the nozzle vane 45.-
2.发明公开
公开(公告)号：EP2402579A1
公开(公告)日：2012-01-04
申请号：EP09840827.1
申请日：2009-09-15
发明人： HAYASHI, Noriyuki , JINNAI, Yasuaki , TOJO, Masaki , UENO, Yoichi
CPC分类号： F01D17/167 , F01D17/165 , F02B37/24 , F02C6/12 , F05D2220/40 , F05D2260/94 , F05D2300/501 , F05D2300/50212 , Y02T10/144
摘要： A variable geometry exhaust turbocharger, wherein bolts which fasten a variable nozzle mechanism do not loosen. A variable geometry exhaust turbocharger is provided with a turbine housing (1), a turbine rotor (3), a turbine shaft (3A), a bearing (5) for supporting the turbine shaft, a bearing housing (4), and a variable nozzle mechanism (8) for regulating the flow of exhaust gas. The variable nozzle mechanism (8) is provided with a nozzle (6), a nozzle mount (7), a lever plate (11), and a drive ring (10). A nozzle plate (9) with which the tip of the nozzle (6) makes contact is provided to an inner tube section (1a) of the turbine housing (1). A sleeve member (12) is provided between the nozzle mount (7) and the nozzle plate (9) so as to be coaxial with a through-hole (7a) and a screw-through hole (9a). The nozzle mount (7) and the nozzle plate (9) are connected together by fastening bolts (B) passed through the through-hole (7a), the sleeve member (12), and the screw through-hole (9a), in that order. The thickness of that portion of the sleeve member (12) which is in contact with the nozzle mount (7) and the nozzle plate (9) is greater than the thickness of the center portion of the sleeve member (12).
摘要翻译： 一种可变几何排气涡轮增压器，其中固定可变喷嘴机构的螺栓不松动。 可变几何排气涡轮增压器设置有涡轮壳体（1），涡轮机转子（3），涡轮轴（3A），用于支撑涡轮轴的轴承（5），轴承壳体（4）和变量 用于调节废气流的喷嘴机构（8）。 可变喷嘴机构（8）设置有喷嘴（6），喷嘴座（7），杆板（11）和驱动环（10）。 喷嘴（6）的前端与喷嘴（6）接触的喷嘴板（9）设置在涡轮壳体（1）的内管部（1a）上。 套筒构件（12）设置在喷嘴座（7）和喷嘴板（9）之间，以与通孔（7a）和螺丝孔（9a）同轴。 喷嘴座（7）和喷嘴板（9）通过穿过通孔（7a），套筒构件（12）和螺钉通孔（9a）的紧固螺栓（B）连接在一起， 那个订单。 与喷嘴座（7）和喷嘴板（9）接触的套筒构件（12）的该部分的厚度大于套筒构件（12）的中心部分的厚度。
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公开(公告)号：EP2821614A1
公开(公告)日：2015-01-07
申请号：EP12870001.0
申请日：2012-11-12
CPC分类号： F16K1/20 , F01D17/105 , F02B37/183 , F02B37/186 , F02B39/00 , F02B39/16 , Y02T10/144
摘要： A valve, which is provided in an exhaust passage of an internal combustion engine to release exhaust, includes a valve seat having an opening opened to the exhaust passage, a valve body having a conical surface or a spherical surface configured to close the opening by coming into contact with the valve seat, a movement unit configured to move the valve body in a direction of intersecting the opening, and an urging unit configured to urge the valve body in the direction of intersecting the opening, and the urging unit controls urging force by the movement unit in a direction of suppressing vibration of the valve body caused by vibration of exhaust pulse frequency determined by a speed of the internal combustion engine and a number of cylinders of the internal combustion engine.
摘要翻译： 设置在内燃机的排气通道中以释放排气的阀包括：具有向排气通道开口的开口的阀座;具有锥形表面或球形表面的阀体，该阀体配置成通过来到关闭开口 与所述阀座接触;移动单元，用于在与所述开口交叉的方向上移动所述阀体;以及施力单元，用于在与所述开口交叉的方向上推压所述阀体，并且所述施力单元通过以下方式控制施力： 所述移动单元在由内燃机的转速和内燃机的气缸的数量确定的排气脉冲频率的振动引起的抑制阀体的振动的方向上移动。
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公开(公告)号：EP2251533A1
公开(公告)日：2010-11-17
申请号：EP09714490.1
申请日：2009-02-20
CPC分类号： F02B37/183 , F01D17/105 , F01D17/12 , F02C6/12 , F05B2220/40 , F05D2220/40 , Y02T10/144
摘要： An exhaust-bypass valve capable of reducing wear of a rotating shaft to prevent controllability from deteriorating is provided. An exhaust-bypass valve (1) of a turbocharger includes a shunting passage (5) that communicates between a passage (3) at the turbine-inlet side and a passage (4) at the turbine-outlet side and a valve flap (6) that opens and closes this shunting passage (5). The valve flap (6) opens and closes to shunt a gas flowing through the passage (3) at the turbine-inlet side into the passage at the turbine-outlet side. The valve flap (6) is rotatably supported at one side thereof serving as a center-of-rotation side, and the other side thereof moves away from or towards the shunting passage (5) to open or close the shunting passage (5). A tapered portion (10) is provided at an edge on the other side. The edge is at least one of an edge of an opening of the shunting passage (5) facing the valve flap (6) and a side surface of the valve flap (6) facing the shunting passage (5).
摘要翻译： 提供一种能够减少旋转轴的磨损以防止可控性恶化的排气旁通阀。 涡轮增压器的排气旁通阀（1）包括在涡轮机入口侧的通道（3）和涡轮出口侧的通道（4）与阀瓣（6）之间连通的分流通道（5） ），其打开和关闭该分流通道（5）。 阀瓣（6）打开和关闭以将在涡轮机入口侧的通道（3）中流动的气体分流到涡轮出口侧的通道中。 阀瓣（6）在作为旋转中心侧的一侧被可旋转地支撑，并且其另一侧远离或朝向分流通道（5）移动以打开或关闭分流通道（5）。 在另一侧的边缘设置有锥形部分（10）。 边缘是分流通道（5）的面向阀瓣（6）的开口的边缘和面对分流通道（5）的阀瓣（6）的侧表面中的至少一个。
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5.发明公开AIR INTAKE PIPE STRUCTURE FOR CENTRIFUGAL FLUID MACHINE 审中-公开LUFTANSAUGROHRSTRUKTURFÜRFLUIDZENTRIFGE
公开(公告)号：EP2821652A1
公开(公告)日：2015-01-07
申请号：EP13754588.5
申请日：2013-02-26
发明人： TOMITA, Isao , TOJO, Masaki , YOKOYAMA, Takao
CPC分类号： F04D29/4213 , F02B39/16 , F02M35/10124 , F02M35/10157 , F04D17/10 , F04D29/441 , F05D2220/40 , F05D2250/51 , Y02T10/144 , Y02T10/146
摘要： An object is to provide an air intake duct structure for a centrifugal fluid machine, capable of swirling the fluid introduced into the impeller in the reverse direction to increase the pressure ratio when the flow rate is high and swirling the fluid in the forward direction to avoid a surging when the flow rate is low, as well as securing a wide operating range, without using mechanical means. The centrifugal fluid machine 1 includes an impeller 12 mounted to a rotation shaft and a housing 4 for housing the impeller 12. The air intake duct structure 10 is for directing a fluid "f" to a rotational center 12a of the impeller 12 housed in the housing 4 via an intake duct portion 4a of the housing 4 protruding in an axial direction of the rotation shaft, the fluid "f" flowing in a substantially orthogonal direction to a rotational axis line 3. The air intake duct structure 10 comprises an inflow part 14 extending in the substantially orthogonal direction to the rotation axis line 3 and a transition part 16 connecting the inflow part 14 and the intake duct portion 14a of the housing 4. There is a virtual plane 20 orthogonal to the rotational axis line 3 and passing through a flow path cross-section of the inflow part 14, where an intersection 22 of the virtual plane 20 and the rotational axis line 3 is positioned within the transition part 16.
摘要翻译： 本发明的目的是提供一种用于离心流体机械的进气管道结构，其能够相反地旋转引入叶轮的流体，以在流量高时增加压力比并且使流体沿正向旋转以避免 当流量低时，波动，以及确保宽的工作范围，而不使用机械手段。 离心流体机械1包括安装到旋转轴的叶轮12和用于容纳叶轮12的壳体4.进气管道结构10用于将流体“f”引导到容纳在叶轮12中的叶轮12的旋转中心12a。 壳体4通过壳体4的沿旋转轴的轴向突出的进气管道部分4a，流体“f”沿与旋转轴线3大致正交的方向流动。进气管道结构10包括流入部分 14与旋转轴线3大致正交的方向延伸，以及连接壳体4的流入部14和进气导管部14a的过渡部16.与旋转轴线3正交且通过的虚拟平面20 流入部分14的流路横截面，其中虚拟平面20和旋转轴线3的交点22位于过渡部分16内。
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6.发明公开EXHAUST TURBINE EQUIPPED WITH EXHAUST CONTROL VALVE 审中-公开MIT EINEM ABGASSTEUERVENTIL AUSGESTATTETE ABGASTURBINE
公开(公告)号：EP2172632A1
公开(公告)日：2010-04-07
申请号：EP09724107.9
申请日：2009-03-11
CPC分类号： F02B37/183 , F01D17/105 , F02B37/186 , F02C6/12 , F05D2220/40 , F05D2230/21 , Y02T10/144
摘要： Provided is an exhaust turbine equipped with an exhaust control valve (waste gate valve) which can reduce wear of the contact surfaces between the shaft and the bushing or the turbine casing that support the moving components of the valve in the entire operating range of the exhaust control valve. The exhaust turbine is equipped with the exhaust control valve for opening/closing an exhaust bypass passage which extends from an exhaust passage leading the exhaust turbine being driven by exhaust gas output from an engine to an exhaust outlet passage while bypassing the exhaust turbine, wherein the exhaust control valve comprises a shaft which is supported rotation-freely by a bushing or a turbine casing and supports a valve element for controlling the opening of the exhaust bypass passage, an arm equipped with a connecting part with a drive source and turning the shaft about the axis thereof by the reciprocating motion of the connecting part produced by the drive source, and a weight attached to an end on the side opposite to the connecting part with the drive source with respect to the axis of the shaft.
摘要翻译： 提供了一种配备有排气控制阀（废气闸阀）的排气涡轮机，该排气涡轮机可以减少在轴和衬套或涡轮机壳体之间的接触表面的磨损，所述接触表面在排气的整个操作范围内支撑阀的运动部件 控制阀。 排气涡轮机配备有用于打开/关闭排气旁通通道的排气控制阀，该排气旁通通道从引导排气涡轮机的排气通道延伸，排气涡轮机由排气涡轮机输出的废气驱动到排气出口通道，其中， 排气控制阀包括轴，该轴由衬套或涡轮壳体旋转地支撑，并且支撑用于控制排气旁通通道的开口的阀元件，配备有与驱动源的连接部分并将轴转动的臂 其轴线通过由驱动源产生的连接部件的往复运动，以及附接到与驱动源相对于连接部分相对于轴的轴线的一侧的端部的重量。
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公开(公告)号：EP3192993A1
公开(公告)日：2017-07-19
申请号：EP15853335.6
申请日：2015-05-29
发明人： NODA, Yoshitomo , TOJO, Masaki
IPC分类号： F02B39/14 , F02B39/00 , F16C35/067
CPC分类号： F16C27/045 , F02B39/14 , F16C19/184 , F16C33/605 , F16C33/664 , F16C33/6651 , F16C33/6674 , F16C33/6681 , F16C2226/60 , F16C2360/24
摘要： A turbocharger (1) comprises: a rolling bearing (5) provided with a plurality of rolling elements (52) arranged between a raceway (53) formed on an inner ring (50) and a raceway (54) formed on an outer ring (51); and a housing (6) for holding the outer ring (51). The housing (6) is provided with: a first dam (68A) for restricting the outflow of a lubricant through a first discharge passage for discharging the lubricant from the outer ring (51); and a second dam (69) for restricting the outflow of the lubricant through a second discharge passage for discharging the lubricant from an opening (67) formed so as to be in communication with an axially intermediate portion of the outer ring (51) and with a peripheral wall of a space (61).
摘要翻译： 本发明提供一种涡轮增压器（1），其包括：滚动轴承（5），该滚动轴承具备配置在形成于内圈（50）的滚道（53）与形成于外圈（50）的滚道（54）之间的多个滚动体 51）; 和用于保持外圈（51）的壳体（6）。 壳体（6）具备：第一挡板（68A），其限制润滑剂通过用于从外圈（51）排出润滑油的第一排出通道流出; 和第二挡板（69），其用于限制润滑剂通过第二排出通道的流出，用于从形成为与外环（51）的轴向中间部分连通的开口（67）排出润滑剂;以及 空间（61）的周壁。
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公开(公告)号：EP2940270B1
公开(公告)日：2017-04-26
申请号：EP12890999.1
申请日：2012-12-27
发明人： YOKOYAMA, Takao , TOJO, Masaki , NAGAE, Satomi , OSAKO, Masaki
CPC分类号： F02B37/24 , F01D17/16 , F02C6/12 , Y02T10/144
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公开(公告)号：EP2940271A1
公开(公告)日：2015-11-04
申请号：EP12890828.2
申请日：2012-12-27
发明人： YOKOYAMA, Takao , TOJO, Masaki , NAGAE, Satomi
CPC分类号： F01D5/14 , F01D1/22 , F01D5/04 , F01D5/141 , F01D25/24 , F02B37/24 , F02C6/12 , F05D2220/30 , F05D2240/301
摘要： An object is to provide a radial turbine blade that can reduce an impact loss of inflowing gas at a leading edge of the turbine blade and achieve a higher turbine efficiency, even in a case of a flow field corresponding to a low turbine operational velocity ratio U/Co due to a throttling operation on a variable nozzle mechanism of a variable geometry turbocharger.
In a radial turbine blade, a hub-side end portion Pa at a leading edge 51 of a turbine blade 50 is formed to be positioned more on a rear side in a rotation direction R of the turbine blade 50 than a shroud-side end portion Sc at the leading edge 51, and a straight line connecting between the shroud-side end portion Sc and the hub-side end portion Pa is inclined with respect to a straight line extending in a rotation axis direction from the shroud-side end portion Sc at the leading edge 51 onto a hub 17 surface by an angle in a range from 30° to 70° as viewed in the radial direction of the turbine blade 50.摘要翻译： 目的是提供一种径向涡轮机叶片，其可以减少在涡轮机叶片的前缘处的流入气体的冲击损失，并且实现更高的涡轮机效率，即使在对应于低涡轮机操作速度比U的流场的情况下 / Co由于在可变几何涡轮增压器的可变喷嘴机构上的节流操作。 在径向涡轮叶片中，涡轮叶片50的前缘51处的轮毂侧端部Pa形成为比涡轮叶片50的旋转方向R更靠后侧设置的护罩侧端部 在前缘51处的Sc，并且连接在护罩侧端部Sc和轮毂侧端部Pa之间的直线相对于从护罩侧端部Sc沿旋转轴线方向延伸的直线倾斜 在涡轮叶片50的径向观察时，在前缘51到达轮毂17表面上的角度在30°至70°的范围内。
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公开(公告)号：EP2434165A1
公开(公告)日：2012-03-28
申请号：EP10823243.0
申请日：2010-08-10
发明人： TOMITA, Isao , IBARAKI, Seiichi , JINNAI, Yasuaki , TOJO, Masaki
CPC分类号： F04D29/4213 , F04D27/023 , F04D27/0238 , F04D29/624 , F04D29/681 , F04D29/682 , F04D29/684 , F04D29/685 , F05D2220/40 , Y10S415/914
摘要： Providing a compressor of an exhaust gas turbocharger wherein the structure of the inlet slit, the outlet slit and the recirculation passage can formed at the same time when the compressor housing of a divided type is assembled; the reduction of the man-hours needed for assembling the compressor as well as the reduction of the production cost can be achieved; the structure of the inlet slit, the outlet slit and the recirculation passage can be compact; the structure and the geometry regarding the inlet slit, the outlet slit and the recirculation passage that are suitable for enhancing the compressor performance can be easily adjusted; and, the noises generated in the compressor impeller can be reduced without providing a noise insulation cover. A compressor of an exhaust gas turbocharger, wherein a mating surface of compressor housing members 9a and 9b is formed in the neighborhood of the inlet part of the impeller 5 in the compressor housing 9 that is divided into the compressor housing members 9a and 9b in the direction of the rotation axis of the impeller; and, a space forming the recirculation passage 29, an inlet slit 25 and an outlet slit 27 are formed between the mating compressor housing members 9a and 9b.
摘要翻译： 提供一种排气涡轮增压器的压缩机，其中当分体式的压缩机壳体组装时，入口狭缝，出口狭缝和再循环通道的结构可以同时形成; 可以实现减少组装压缩机所需的工时以及降低生产成本; 入口狭缝，出口狭缝和再循环通道的结构可以是紧凑的; 可以容易地调节适于提高压缩机性能的入口狭缝，出口狭缝和再循环通道的结构和几何形状; 并且能够减小在压缩机叶轮中产生的噪声而不设置隔音罩。 一种排气涡轮增压器的压缩机，其中压缩机壳体部件9a和9b的配合表面形成在压缩机壳体9中的叶轮5的入口部分附近，该压缩机壳体9被分成压缩机壳体部件9a和9b 叶轮旋转轴线方向; 并且在配合压缩机壳体构件9a和9b之间形成形成再循环通道29的空间，入口狭缝25和出口狭缝27。
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