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公开(公告)号：US20160186708A1
公开(公告)日：2016-06-30
申请号：US14787563
申请日：2014-09-10
发明人： Ngoc-Tam Vu
IPC分类号： F02M59/10
CPC分类号： F02M59/102 , F04B1/0426 , F04B1/0439 , F16H53/06
摘要： A roller tappet includes a roller and a roller shoe in which the roller is rotatably mounted. The roller shoe has a first lateral surface with a recess for receiving the roller, a second lateral surface opposite the first lateral surface, and a third lateral surface between the first and second lateral surfaces. The third lateral surface and at least part of the second lateral surface are each curved.
摘要翻译： 辊子挺杆包括一个辊子和一个辊子，辊子可旋转地安装在其中。 滚子鞋具有第一侧表面，其具有用于接收辊的凹部，与第一侧表面相对的第二侧表面，以及在第一和第二侧表面之间的第三侧表面。 第三侧面和第二侧面的至少一部分各自弯曲。
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公开(公告)号：US09951733B2
公开(公告)日：2018-04-24
申请号：US14403649
申请日：2013-12-19
发明人： Ngoc-Tam Vu , Uwe Nigrin
IPC分类号： F04B17/05 , F02M59/10 , F04B19/22 , F04B53/10 , F04B53/14 , F02M59/02 , F04B1/04 , F04B1/053 , F02M59/44 , F04B9/04 , F04B53/16 , F04B53/18
CPC分类号： F02M59/102 , F02M59/027 , F02M59/442 , F04B1/0421 , F04B1/0439 , F04B1/0448 , F04B1/053 , F04B9/042 , F04B17/05 , F04B19/22 , F04B53/10 , F04B53/14 , F04B53/16 , F04B53/18
摘要： A plug-in pump includes a cylinder and a pump housing, wherein the cylinder has a cavity in which a movable piston is accommodated, wherein a first end of the piston delimits a pump chamber, and a second end of the piston is connected to a drive device for the piston. An inlet valve is arranged in the cylinder, which inlet valve connects the pump chamber to a feed line for a first fluid, and an outlet valve connects the pump chamber to an outlet. The pump housing has a cavity that forms a first chamber connected to a feed line for the first fluid, and at least one second chamber which is separated from the first chamber and which is connected to a fluid system of a second fluid. The first chamber is fluidically sealed off with respect to the second chamber.
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公开(公告)号：US09664165B2
公开(公告)日：2017-05-30
申请号：US14758278
申请日：2014-10-09
发明人： Uwe Nigrin , Ngoc-Tam Vu , Andreas Ederer
IPC分类号： F02M37/04 , F02M59/02 , F02M53/04 , F02M53/00 , F04B53/08 , F04B53/16 , F02M31/20 , F02M39/00 , F02M41/16 , F02M55/00 , F02M55/02 , F02M59/06 , F02M59/10
CPC分类号： F02M59/027 , F02M31/20 , F02M37/043 , F02M39/005 , F02M41/16 , F02M53/00 , F02M53/043 , F02M55/005 , F02M55/025 , F02M59/025 , F02M59/06 , F02M59/102 , F04B53/08 , F04B53/16 , Y02T10/126
摘要： A plug-in pump for a common-rail system has a pump housing having a cylinder formed therein and a piston guided in the cylinder, a fuel inlet, and a fuel outlet. The pump housing also includes a plug-in section for inserting the pump housing into an opening of an engine component, and a flange that delimits the plug-in section, for fastening the pump housing to the engine component. To cool the plug-in pump, the pump housing has at least one flow duct with a separate fluid inlet and a separate fluid outlet. The fluid inlet is connectable to a fluid-discharging line of the internal combustion engine, and the fluid outlet is connectable to a fluid-receiving line of the internal combustion engine.
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公开(公告)号：US09885329B2
公开(公告)日：2018-02-06
申请号：US14787563
申请日：2014-09-10
发明人： Ngoc-Tam Vu
CPC分类号： F02M59/102 , F04B1/0426 , F04B1/0439 , F16H53/06
摘要： A roller tappet includes a roller and a roller shoe in which the roller is rotatably mounted. The roller shoe has a first lateral surface with a recess for receiving the roller, a second lateral surface opposite the first lateral surface, and a third lateral surface between the first and second lateral surfaces. The third lateral surface and at least part of the second lateral surface are each curved.
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公开(公告)号：US10132311B2
公开(公告)日：2018-11-20
申请号：US14758295
申请日：2014-08-06
发明人： Uwe Nigrin , Ngoc-Tam Vu , Andreas Ederer , Uday Bhat , Thejesh Kumar Magadibyredevaru , Marcin Olik
IPC分类号： F04B53/04 , F02M55/04 , F02M59/02 , F02M59/10 , F02M59/44 , F02M63/00 , F02M59/14 , F02M59/46 , F04B11/00 , F04B43/02 , F04B53/14 , F04B53/16
摘要： A high pressure pump of a common rail pump system includes a pump body having a cylinder with a piston bore and a piston reciprocally driven in the piston bore to pressurize fuel in the cylinder. The piston has an inner end located in the piston bore and an outer end outside the piston bore. A bellow having a first opening and a second opening is arranged between the piston and the pump body, wherein the piston extends through the first and second openings, wherein the bellow is connected to the pump body such that the first opening is sealed on the pump body and wherein the bellow is connected to the outer end of the piston such that the second opening is sealed on the piston. This arrangement prevents mixing of engine oil and fuel. The bellow may be connected to a drainage line via a one-way valve.
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6.发明申请公开(公告)号：US20160208758A1
公开(公告)日：2016-07-21
申请号：US14758278
申请日：2014-10-09
发明人： Uwe Nigrin , Ngoc-Tam Vu , Andreas Ederer
CPC分类号： F02M59/027 , F02M31/20 , F02M37/043 , F02M39/005 , F02M41/16 , F02M53/00 , F02M53/043 , F02M55/005 , F02M55/025 , F02M59/025 , F02M59/06 , F02M59/102 , F04B53/08 , F04B53/16 , Y02T10/126
摘要： A plug-in pump for a common-rail system has a pump housing having a cylinder formed therein and a piston guided in the cylinder, a fuel inlet, and a fuel outlet. The pump housing also includes a plug-in section for inserting the pump housing into an opening of an engine component, and a flange that delimits the plug-in section, for fastening the pump housing to the engine component. To cool the plug-in pump, the pump housing has at least one flow duct with a separate fluid inlet and a separate fluid outlet. The fluid inlet is connectable to a fluid-discharging line of the internal combustion engine, and the fluid outlet is connectable to a fluid-receiving line of the internal combustion engine.
摘要翻译： 用于共轨系统的插入式泵具有其中形成有气缸的泵壳体和在气缸中引导的活塞，燃料入口和燃料出口。 泵壳体还包括用于将泵壳体插入发动机部件的开口中的插入部分和限定插入部分的凸缘，用于将泵壳体紧固到发动机部件。 为了冷却插入式泵，泵壳体具有至少一个具有单独的流体入口和单独的流体出口的流动管道。 流体入口可连接到内燃机的流体排放管线，并且流体出口可连接到内燃机的流体接收管线。
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公开(公告)号：US10047743B2
公开(公告)日：2018-08-14
申请号：US14762567
申请日：2014-07-31
IPC分类号： F04B53/16 , F04B53/14 , F02M59/44 , F04B53/00 , F04B53/02 , F04B53/22 , F02M59/02 , F04B19/22
摘要： A high pressure pump for delivering a fluid includes a pump housing with a longitudinal axis and a housing cavity, a piston partly arranged in the housing cavity and axially moveable within the housing cavity and having an axial end directed opposite a driving side of the high pressure pump, and a sealing unit having a sealing body arranged radially outside of the piston such that a first part of the housing cavity is sealed fluid-tight against a second part of the housing cavity. The sealing body includes a neck with an inner diameter smaller than a first diameter of a part of the piston arranged between the sealing body neck and the axial end of the piston. The piston has a second diameter in an axial area in which the sealing body neck is arranged, which second diameter is smaller than the first diameter.
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公开(公告)号：US20160208796A1
公开(公告)日：2016-07-21
申请号：US14758295
申请日：2014-08-06
发明人： Uwe Nigrin , Ngoc-Tam Vu , Andreas Ederer , Uday Bhat , Thejesh Kumar Magadibyredevaru , Marcin Olik
CPC分类号： F04B53/04 , F02M55/04 , F02M59/025 , F02M59/102 , F02M59/14 , F02M59/44 , F02M59/442 , F02M59/46 , F02M63/0054 , F02M2200/31 , F02M2200/315 , F02M2200/9015 , F04B11/00 , F04B43/02 , F04B53/14 , F04B53/16
摘要： A high pressure pump of a common rail pump system includes a pump body having a cylinder with a piston bore and a piston reciprocally driven in the piston bore to pressurize fuel in the cylinder. The piston has an inner end located in the piston bore and an outer end outside the piston bore. A bellow having a first opening and a second opening is arranged between the piston and the pump body, wherein the piston extends through the first and second openings, wherein the bellow is connected to the pump body such that the first opening is sealed on the pump body and wherein the bellow is connected to the outer end of the piston such that the second opening is sealed on the piston. This arrangement prevents mixing of engine oil and fuel. The bellow may be connected to a drainage line via a one-way valve.
摘要翻译： 共轨泵系统的高压泵包括具有活塞孔的缸体和在活塞孔中往复驱动的活塞的泵体，以对气缸中的燃料加压。 活塞具有位于活塞孔内的内端和活塞孔外的外端。 具有第一开口和第二开口的波纹管布置在活塞和泵体之间，其中活塞延伸穿过第一和第二开口，其中波纹管连接到泵体，使得第一开口密封在泵 主体，并且其中波纹管连接到活塞的外端，使得第二开口被密封在活塞上。 这种布置防止发动机油和燃料混合。 波纹管可以通过单向阀连接到排水管。
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公开(公告)号：US20160186742A1
公开(公告)日：2016-06-30
申请号：US14762567
申请日：2014-07-31
CPC分类号： F04B53/143 , F02M59/025 , F02M59/442 , F04B19/22 , F04B53/008 , F04B53/02 , F04B53/16 , F04B53/164 , F04B53/22
摘要： A high pressure pump for delivering a fluid includes a pump housing with a longitudinal axis and a housing cavity, a piston partly arranged in the housing cavity and axially moveable within the housing cavity and having an axial end directed opposite a driving side of the high pressure pump, and a sealing unit having a sealing body arranged radially outside of the piston such that a first part of the housing cavity is sealed fluid-tight against a second part of the housing cavity. The sealing body includes a neck with an inner diameter smaller than a first diameter of a part of the piston arranged between the sealing body neck and the axial end of the piston. The piston has a second diameter in an axial area in which the sealing body neck is arranged, which second diameter is smaller than the first diameter.
摘要翻译： 用于输送流体的高压泵包括具有纵向轴线和壳体空腔的泵壳体，活塞部分地布置在壳体空腔中并且可在壳体空腔内轴向移动并且具有与高压的驱动侧相对的轴向端 泵和密封单元，其具有设置在活塞的径向外侧的密封体，使得壳体腔的第一部分被密封地密封抵靠壳体腔的第二部分。 密封体包括内径小于设置在密封体颈部与活塞的轴向端之间的活塞的一部分的第一直径的颈部。 活塞在轴向区域中具有第二直径，密封体颈部布置在该区域中，该第二直径小于第一直径。
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公开(公告)号：US20150345447A1
公开(公告)日：2015-12-03
申请号：US14403649
申请日：2013-12-19
发明人： Ngoc-Tam Vu , Uwe Nigrin
IPC分类号： F02M59/44 , F04B17/05 , F04B19/22 , F02M59/10 , F04B53/14 , F04B53/16 , F04B53/18 , F02M59/02 , F04B9/04 , F04B53/10
CPC分类号： F02M59/102 , F02M59/027 , F02M59/442 , F04B1/0421 , F04B1/0439 , F04B1/0448 , F04B1/053 , F04B9/042 , F04B17/05 , F04B19/22 , F04B53/10 , F04B53/14 , F04B53/16 , F04B53/18
摘要： A plug-in pump includes a cylinder and a pump housing, wherein the cylinder has a cavity in which a movable piston is accommodated, wherein a first end of the piston delimits a pump chamber, and a second end of the piston is connected to a drive device for the piston. An inlet valve is arranged in the cylinder, which inlet valve connects the pump chamber to a feed line for a first fluid, and an outlet valve connects the pump chamber to an outlet. The pump housing has a cavity that forms a first chamber connected to a feed line for the first fluid, and at least one second chamber which is separated from the first chamber and which is connected to a fluid system of a second fluid. The first chamber is fluidically sealed off with respect to the second chamber.
摘要翻译： 插入式泵包括气缸和泵壳体，其中气缸具有容纳可移动活塞的空腔，其中活塞的第一端限定泵室，活塞的第二端连接到 用于活塞的驱动装置。 入口阀布置在气缸中，该入口阀将泵室连接到用于第一流体的进料管线，并且出口阀将泵室连接到出口。 泵壳体具有形成连接到用于第一流体的进料管线的第一室的空腔和与第一室分离并且连接到第二流体的流体系统的至少一个第二室。 第一腔室相对于第二腔室流体密封。
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