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公开(公告)号：US08910882B2
公开(公告)日：2014-12-16
申请号：US13167528
申请日：2011-06-23
IPC分类号： F02D1/06
CPC分类号： F02M47/027 , F02M53/043 , F02M63/0017 , F02M63/0071 , F02M63/0075 , F02M2200/28 , F02M2547/008
摘要： A fuel injector for an engine is disclosed. The fuel injector may have a fuel nozzle with at least one injection orifice, and a needle element movable within the fuel nozzle between a first position at which the needle element inhibits fuel flow and a second position at which fuel flow is substantially uninhibited. The fuel injector may also have a control chamber located at a base end of the needle element, a body, and a control valve disposed within the body and movable to selectively drain the control chamber, thereby causing the needle element to move between the first and second positions. The fuel injector may further have an armature disposed within an armature cavity of the body and selectively energized to move the control valve, and a pressure reducer disposed within the body and configured to reduce a pressure of the armature cavity.
摘要翻译： 公开了一种用于发动机的燃油喷射器。 燃料喷射器可以具有带有至少一个喷射孔的燃料喷嘴，以及可在燃料喷嘴内可移动的针元件，该第一位置在针元件抑制燃料流动的第一位置和燃料流基本上不被禁止的第二位置之间。 燃料喷射器还可以具有位于针元件的基端的控制室，主体和设置在主体内的控制阀，并且可移动以便选择性地排出控制室，从而使针元件在第一和第 第二职位 燃料喷射器还可以具有设置在主体的电枢腔内的电枢并选择性地通电以移动控制阀，以及设置在主体内并被构造成减小电枢腔的压力的减压器。
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公开(公告)号：US20120325926A1
公开(公告)日：2012-12-27
申请号：US13167528
申请日：2011-06-23
IPC分类号： F02D1/00
CPC分类号： F02M47/027 , F02M53/043 , F02M63/0017 , F02M63/0071 , F02M63/0075 , F02M2200/28 , F02M2547/008
摘要： A fuel injector for an engine is disclosed. The fuel injector may have a fuel nozzle with at least one injection orifice, and a needle element movable within the fuel nozzle between a first position at which the needle element inhibits fuel flow and a second position at which fuel flow is substantially uninhibited. The fuel injector may also have a control chamber located at a base end of the needle element, a body, and a control valve disposed within the body and movable to selectively drain the control chamber, thereby causing the needle element to move between the first and second positions. The fuel injector may further have an armature disposed within an armature cavity of the body and selectively energized to move the control valve, and a pressure reducer disposed within the body and configured to reduce a pressure of the armature cavity.
摘要翻译： 公开了一种用于发动机的燃油喷射器。 燃料喷射器可以具有带有至少一个喷射孔的燃料喷嘴，以及可在燃料喷嘴内可移动的针元件，该第一位置在针元件抑制燃料流动的第一位置和燃料流基本上不被禁止的第二位置之间。 燃料喷射器还可以具有位于针元件的基端的控制室，主体和设置在主体内的控制阀，并且可移动以便选择性地排出控制室，从而使针元件在第一和第 第二职位 燃料喷射器还可以具有设置在主体的电枢腔内的电枢并选择性地通电以移动控制阀，以及设置在主体内并被构造成减小电枢腔的压力的减压器。
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公开(公告)号：US07963464B2
公开(公告)日：2011-06-21
申请号：US12018322
申请日：2008-01-23
申请人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
发明人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
CPC分类号： F02M61/168 , F02M47/027 , F02M2200/28 , F02M2200/80 , Y10T29/49412 , Y10T29/53
摘要： A fuel injector and a method of assembly includes a determination of various flow areas through clearances or openings formed in various components of the injector. With the various flow areas determined, the various components can be classified according to their flow areas such that sets of components can be selected having desirable flow area characteristics for assembly of the fuel injector.
摘要翻译： 燃料喷射器和组装方法包括通过在喷射器的各种部件中形成的间隙或开口来确定各种流动区域。 在确定了各种流动区域的情况下，各种部件可以根据它们的流动区域进行分类，使得可以选择具有用于组装燃料喷射器的理想流动面积特性的部件组。
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公开(公告)号：US20090184185A1
公开(公告)日：2009-07-23
申请号：US12018322
申请日：2008-01-23
申请人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
发明人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
CPC分类号： F02M61/168 , F02M47/027 , F02M2200/28 , F02M2200/80 , Y10T29/49412 , Y10T29/53
摘要： A fuel injector and a method of assembly includes a determination of various flow areas through clearances or openings formed in various components of the injector. With the various flow areas determined, the various components can be classified according to their flow areas such that sets of components can be selected having desirable flow area characteristics for assembly of the fuel injector.
摘要翻译： 燃料喷射器和组装方法包括通过在喷射器的各种部件中形成的间隙或开口来确定各种流动区域。 在确定了各种流动区域的情况下，各种部件可以根据它们的流动区域进行分类，使得可以选择具有用于组装燃料喷射器的理想流动面积特性的部件组。
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公开(公告)号：US08267333B2
公开(公告)日：2012-09-18
申请号：US13036881
申请日：2011-02-28
申请人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
发明人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
CPC分类号： F02M61/168 , F02M47/027 , F02M2200/28 , F02M2200/80 , Y10T29/49412 , Y10T29/53
摘要： A fuel injector and a method of assembly includes a determination of various flow areas through clearances or openings formed in various components of the injector. With the various flow areas determined, the various components can be classified according to their flow areas such that sets of components can be selected having desirable flow area characteristics for assembly of the fuel injector.
摘要翻译： 燃料喷射器和组装方法包括通过在喷射器的各种部件中形成的间隙或开口来确定各种流动区域。 在确定了各种流动区域的情况下，各种部件可以根据它们的流动区域进行分类，使得可以选择具有用于组装燃料喷射器的理想流动面积特性的部件组。
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公开(公告)号：US20110147494A1
公开(公告)日：2011-06-23
申请号：US13036881
申请日：2011-02-28
申请人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
发明人： Stephen R. Lewis , Shriprasad Lakhapati , Christopher D. Hanson , Avinash Manubolu , Daniel R. Ibrahim
CPC分类号： F02M61/168 , F02M47/027 , F02M2200/28 , F02M2200/80 , Y10T29/49412 , Y10T29/53
摘要： A fuel injector and a method of assembly includes a determination of various flow areas through clearances or openings formed in various components of the injector. With the various flow areas determined, the various components can be classified according to their flow areas such that sets of components can be selected having desirable flow area characteristics for assembly of the fuel injector.
摘要翻译： 燃料喷射器和组装方法包括通过在喷射器的各种部件中形成的间隙或开口来确定各种流动区域。 在确定了各种流动区域的情况下，各种部件可以根据它们的流动区域进行分类，使得可以选择具有用于组装燃料喷射器的理想流动面积特性的部件组。
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公开(公告)号：US08517284B2
公开(公告)日：2013-08-27
申请号：US12465458
申请日：2009-05-13
CPC分类号： F02M53/043 , F02M47/027
摘要： A fuel injector includes an injector body forming an actuator portion. An actuator bore is formed in the actuator portion and is at least partially defined by an inner surface and by an end surface. An actuator disposed in the actuator bore and has an outer surface such that a flow channel can be defined between the inner surface of the actuator bore and the outer surface of the actuator. A cooling flow passage is formed in the injector body, in fluid communication with the actuator bore, and is adapted to supply cooling fluid to the actuator bore. A drain passage is formed in the injector body, in fluid communication with the actuator bore. An internal cooling fluid flow path extends from the cooling flow passage, through the flow channel, and from the flow channel through the drain passage.
摘要翻译： 燃料喷射器包括形成致动器部分的喷射器主体。 致动器孔形成在致动器部分中，并且至少部分地由内表面和端表面限定。 致动器设置在致动器孔中并且具有外表面，使得可以在致动器孔的内表面和致动器的外表面之间限定流动通道。 冷却流道形成在喷射器主体中，与致动器孔流体连通，并且适于向致动器孔提供冷却流体。 排出通道形成在喷射器主体中，与致动器孔流体连通。 内部冷却流体流动路径从冷却流道延伸通过流动通道，并且从流动通道通过排放通道延伸。
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公开(公告)号：US20100288850A1
公开(公告)日：2010-11-18
申请号：US12465458
申请日：2009-05-13
IPC分类号： B05B1/24
CPC分类号： F02M53/043 , F02M47/027
摘要： A fuel injector includes an injector body forming an actuator portion. An actuator bore is formed in the actuator portion and is at least partially defined by an inner surface and by an end surface. An actuator disposed in the actuator bore and has an outer surface such that a flow channel can be defined between the inner surface of the actuator bore and the outer surface of the actuator. A cooling flow passage is formed in the injector body, in fluid communication with the actuator bore, and is adapted to supply cooling fluid to the actuator bore. A drain passage is formed in the injector body, in fluid communication with the actuator bore. An internal cooling fluid flow path extends from the cooling flow passage, through the flow channel, and from the flow channel through the drain passage.
摘要翻译： 燃料喷射器包括形成致动器部分的喷射器主体。 致动器孔形成在致动器部分中，并且至少部分地由内表面和端表面限定。 致动器设置在致动器孔中并且具有外表面，使得可以在致动器孔的内表面和致动器的外表面之间限定流动通道。 冷却流道形成在喷射器主体中，与致动器孔流体连通，并且适于向致动器孔提供冷却流体。 排出通道形成在喷射器主体中，与致动器孔流体连通。 内部冷却流体流动路径从冷却流道延伸通过流动通道，并且从流动通道通过排放通道延伸。
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公开(公告)号：US07124746B2
公开(公告)日：2006-10-24
申请号：US10196645
申请日：2002-07-16
IPC分类号： F02M37/04
CPC分类号： F02M63/0068 , F02M45/12 , F02M47/06 , F02M63/0007 , F02M63/004 , F02M63/0045 , F02M63/0225 , F02M2200/21
摘要： Controlling fuel injectors to create varying injection rates and injection rate shapes typically involves using multiple control valves to control fuel pressure and check valve opening pressure independently. The fuel injector of this application uses a single control valve positioned between a fuel supply passage and a tip supply passage. The control valve has at least three positions. In a second position allowing a first maximum fuel injection rate and allowing a second maximum fuel injection rate in a third position.
摘要翻译： 控制燃料喷射器以产生变化的喷射速率和喷射速率形状通常涉及使用多个控制阀以独立地控制燃料压力和单独的阀门打开压力。 该应用的燃料喷射器使用位于燃料供给通道和末端供给通道之间的单个控制阀。 控制阀具有至少三个位置。 在第二位置允许第一最大燃料喷射速率并允许在第三位置的第二最大燃料喷射速率。
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10.发明授权公开(公告)号：US06769635B2
公开(公告)日：2004-08-03
申请号：US10439837
申请日：2003-05-16
申请人： Chris Stewart , Scott A. Chockley , Daniel R. Ibrahim , Keith Lawrence , Jay Tomaseki , Junru H. Azam , Steven Ye Tian , Scott F. Shafer
发明人： Chris Stewart , Scott A. Chockley , Daniel R. Ibrahim , Keith Lawrence , Jay Tomaseki , Junru H. Azam , Steven Ye Tian , Scott F. Shafer
IPC分类号： B05B114
CPC分类号： F02M61/182 , F02B1/12 , F02M45/02 , F02M45/086 , F02M47/027 , F02M57/025 , F02M59/105 , F02M59/466 , F02M61/1813 , F02M63/0017 , F02M63/0045 , F02M2200/21 , F02M2200/46
摘要： A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. One of the needle valve members moves to an open position while the other needle valve member remains stationary for a homogeneous charge injection event. The former needle valve member stays stationary while the other needle valve member moves to an open position for a conventional injection event. One of the needle valve members is at least partially positioned in the other needle valve member. Thus, the injector can perform homogeneous charge injection events, conventional injection events, or even a mixed mode having both types of injection events in a single engine cycle.
摘要翻译： 燃料喷射器包括由第一和第二针阀构件分别控制的均匀充电喷嘴出口组和常规喷嘴出口组。 一个针阀构件移动到打开位置，而另一个针阀构件保持静止以进行均匀的电荷注入事件。 前针阀构件保持静止，而另一个针阀构件移动到常规注射事件的打开位置。 一个针阀构件至少部分地定位在另一个针阀构件中。 因此，喷射器可以在单个发动机循环中执行均匀的电荷注入事件，常规注射事件或甚至具有两种类型的注射事件的混合模式。
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