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公开(公告)号：US07395812B2
公开(公告)日：2008-07-08
申请号：US11617629
申请日：2006-12-28
CPC分类号： F02M59/466 , F02M59/08 , F02M59/205 , F02M59/366 , F02M2200/16
摘要： The injection system comprises a high-pressure pump (7) with variable flowrate, having a number of pumping elements (18) actuated with reciprocating motion and provided each with a corresponding intake valve (22). An accumulation volume (28) is supplied with fuel at low pressure from an intake pipe (10) of the pump (7) through a solenoid valve (31) controlled as a function of the operating conditions of the engine (2). The accumulation volume (28) is in communication with the intake valves (22) through corresponding outlet holes (29), and the solenoid valve (31) is provided with nebulizer holes (36) such as to generate corresponding jets of fuel, each directed towards at least one of said outlet holes (29).
摘要翻译： 注射系统包括具有可变流量的高压泵（7），具有多个泵送元件（18），其以往复运动的方式被致动并设置有相应的进气阀（22）。 通过根据发动机（2）的操作条件控制的电磁阀（31），从泵（7）的进气管（10）以低压供给燃料。 蓄积体积（28）通过相应的出口孔（29）与进气阀（22）连通，并且电磁阀（31）设置有雾化器孔（36），以产生相应的燃料喷射，每个导向 朝向所述出口孔（29）中的至少一个。
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2.发明授权公开(公告)号：US07802584B2
公开(公告)日：2010-09-28
申请号：US11646747
申请日：2006-12-27
CPC分类号： F02M63/004 , F02M47/027 , F02M51/005 , F02M53/04 , F02M61/168 , F02M63/0015 , F02M63/0019 , F02M63/008 , F02M2200/9015 , Y10T29/494 , Y10T29/49417 , Y10T137/0491 , Y10T137/5987
摘要： A fuel injector comprising a hollow body for housing a metering valve with a calibrated pipe for outlet of the fuel from a control chamber. The calibrated pipe is normally kept closed by a shutter controlled by an electromagnet comprising a magnetic core and an electric coil housed in an annular slot of the core. The coil outer cylindrical surface forms a gap with the annular slot so as to be lapped by the fuel coming out of the calibrated pipe. The coil comprises a bobbin having a pair of appendages for supporting electric supply plugs, which are englobed at least in part in a block of non-magnetic material. The bobbin has a substantially cylindrical rib, one flange adjacent to an end portion of the plugs, and another flange having a smaller diameter that forms a passage for the fuel between the calibrated pipe and the gap.
摘要翻译： 一种燃料喷射器，包括用于容纳具有用于从控制室排出燃料的校准管的计量阀的中空体。 校准管通常由电磁体控制的快门保持关闭，所述电磁体包括磁芯和容纳在芯的环形槽中的电线圈。 线圈外圆柱形表面与环形槽形成间隙，以便被从校准管出来的燃料重叠。 线圈包括具有用于支撑电源插头的一对附件的线轴，其至少部分地嵌入非磁性材料块中。 线轴具有基本上圆柱形的肋，邻近插头的端部的一个凸缘，以及具有较小直径的另一个凸缘，其形成用于校准管和间隙之间的燃料的通道。
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3.发明申请公开(公告)号：US20070289578A1
公开(公告)日：2007-12-20
申请号：US11646747
申请日：2006-12-27
IPC分类号： F02M51/06
CPC分类号： F02M63/004 , F02M47/027 , F02M51/005 , F02M53/04 , F02M61/168 , F02M63/0015 , F02M63/0019 , F02M63/008 , F02M2200/9015 , Y10T29/494 , Y10T29/49417 , Y10T137/0491 , Y10T137/5987
摘要： A fuel injector comprising a hollow body for housing a metering valve with a calibrated pipe for outlet of the fuel from a control chamber. The calibrated pipe is normally kept closed by a shutter controlled by an electromagnet comprising a magnetic core and an electric coil housed in an annular slot of the core. The coil outer cylindrical surface forms a gap with the annular slot so as to be lapped by the fuel coming out of the calibrated pipe. The coil comprises a bobbin having a pair of appendages for supporting electric supply plugs, which are englobed at least in part in a block of non-magnetic material. The bobbin has a substantially cylindrical rib, one flange adjacent to an end portion of the plugs, and another flange having a smaller diameter that forms a passage for the fuel between the calibrated pipe and the gap.
摘要翻译： 一种燃料喷射器，包括用于容纳具有用于从控制室排出燃料的校准管的计量阀的中空体。 校准管通常由电磁体控制的快门保持关闭，所述电磁体包括磁芯和容纳在芯的环形槽中的电线圈。 线圈外圆柱形表面与环形槽形成间隙，以便被从校准管出来的燃料重叠。 线圈包括具有用于支撑电源插头的一对附件的线轴，其至少部分地嵌入非磁性材料块中。 线轴具有基本上圆柱形的肋，邻近插头的端部的一个凸缘，以及具有较小直径的另一个凸缘，其形成用于校准管和间隙之间的燃料的通道。
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公开(公告)号：US20070283928A1
公开(公告)日：2007-12-13
申请号：US11617629
申请日：2006-12-28
IPC分类号： F02M57/00
CPC分类号： F02M59/466 , F02M59/08 , F02M59/205 , F02M59/366 , F02M2200/16
摘要： The injection system comprises a high-pressure pump (7) with variable flowrate, having a number of pumping elements (18) actuated with reciprocating motion and provided each with a corresponding intake valve (22). An accumulation volume (28) is supplied with fuel at low pressure from an intake pipe (10) of the pump (7) through a solenoid valve (31) controlled as a function of the operating conditions of the engine (2). The accumulation volume (28) is in communication with the intake valves (22) through corresponding outlet holes (29), and the solenoid valve (31) is provided with nebulizer holes (36) such as to generate corresponding jets of fuel, each directed towards at least one of said outlet holes (29).
摘要翻译： 注射系统包括具有可变流量的高压泵（7），具有多个泵送元件（18），其以往复运动的方式被致动并设置有相应的进气阀（22）。 通过根据发动机（2）的操作条件控制的电磁阀（31），从泵（7）的进气管（10）以低压供给燃料。 蓄积体积（28）通过相应的出口孔（29）与进气阀（22）连通，并且电磁阀（31）设置有雾化器孔（36），以产生相应的燃料喷射，每个导向 朝向所述出口孔（29）中的至少一个。
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5.发明授权公开(公告)号：US07552909B2
公开(公告)日：2009-06-30
申请号：US11784946
申请日：2007-04-10
IPC分类号： F16K31/02
CPC分类号： F02M63/004 , F02M47/027 , F02M61/166 , F02M61/167 , F02M61/168 , F02M63/0015 , F02M63/0017 , F02M63/008 , F02M63/0225 , F02M2200/8053 , F02M2200/8076 , F02M2200/8092 , F02M2547/003
摘要： An injector with an adjustable-metering servo valve is provided. The injector has a shutter actuated by an armature of an electromagnet. The armature is mobile for an opening stroke defined by a surface of the core of the electromagnet, which is fixed in the casing by a ring nut and a hollow support of the core. The hollow support has a first contact surface that acts on a flange of the core. Set between the surface and a shoulder of the casing is a shim. An annular projection, having a second contact surface, is set between the surface and a shoulder of the casing. The second contact surface is contained at least in part in the area corresponding to the first contact surface so that the stroke of the armature is adjusted by plastic deformation of the shim or of the surface of the core.
摘要翻译： 提供一个带有可调计量伺服阀的进样器。 喷射器具有由电磁体的电枢驱动的快门。 电枢可移动，用于由电磁体的芯的表面限定的开口行程，电动机的芯体通过环形螺母和芯的中空支撑件固定在壳体中。 中空支撑件具有作用在芯的凸缘上的第一接触表面。 套管的表面和肩膀之间是垫片。 具有第二接触表面的环形突起被设置在壳体的表面和肩部之间。 第二接触表面至少部分地包含在对应于第一接触表面的区域中，使得通过垫片或芯的表面的塑性变形来调节电枢的行程。
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6.发明申请公开(公告)号：US20070251498A1
公开(公告)日：2007-11-01
申请号：US11784946
申请日：2007-04-10
IPC分类号： F02M59/46
CPC分类号： F02M63/004 , F02M47/027 , F02M61/166 , F02M61/167 , F02M61/168 , F02M63/0015 , F02M63/0017 , F02M63/008 , F02M63/0225 , F02M2200/8053 , F02M2200/8076 , F02M2200/8092 , F02M2547/003
摘要： An injector with an adjustable-metering servo valve is provided. The injector has a shutter actuated by an armature of an electromagnet. The armature is mobile for an opening stroke defined by a surface of the core of the electromagnet, which is fixed in the casing by a ring nut and a hollow support of the core. The hollow support has a first contact surface that acts on a flange of the core. Set between the surface and a shoulder of the casing is a shim. An annular projection, having a second contact surface, is set between the surface and a shoulder of the casing. The second contact surface is contained at least in part in the area corresponding to the first contact surface so that the stroke of the armature is adjusted by plastic deformation of the shim or of the surface of the core.
摘要翻译： 提供一个带有可调计量伺服阀的进样器。 喷射器具有由电磁体的电枢驱动的快门。 电枢可移动，用于由电磁体的芯的表面限定的开口行程，电动机的芯体通过环形螺母和芯的中空支撑件固定在壳体中。 中空支撑件具有作用在芯的凸缘上的第一接触表面。 套管的表面和肩膀之间是垫片。 具有第二接触表面的环形突起被设置在壳体的表面和肩部之间。 第二接触表面至少部分地包含在对应于第一接触表面的区域中，使得通过垫片或芯的表面的塑性变形来调节电枢的行程。
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公开(公告)号：US07740187B2
公开(公告)日：2010-06-22
申请号：US11171659
申请日：2005-06-30
IPC分类号： F02M41/16
CPC分类号： F02M63/008 , F02M47/027 , F02M63/0015 , F02M63/004 , F02M63/0043 , F02M63/0071 , F02M63/0073 , F02M2200/28 , F02M2547/003
摘要： An internal combustion engine fuel injector (1) has a rod (10) movable along an axis (3) to open/close a nozzle, and a servovalve (7) having a control chamber (23) with a discharge passage (26, 48) which is opened/closed by a shutter (17) movable axially under the control of an electro-actuator; the servovalve also has a fixed axial rod (33) having an outer lateral surface (34) through which the discharge passage (26, 48) comes out; the shutter (17) is fitted to the axial rod (33) to slide axially in substantially fluidtight manner, and, when closing the discharge passage (26, 48), is subjected to substantially zero resultant axial pressure by the fuel; and a calibrated portion (42, 52) of the discharge passage (26, 48) is formed close to the outlet of the discharge passage to produce swirl and/or cavitation in the fuel outflow near to the closing area between the shutter (17) and the axial rod (33).
摘要翻译： 一种内燃机燃料喷射器（1）具有可沿轴线（3）移动以打开/关闭喷嘴的杆（10）和具有控制室（23）的伺服阀（7），所述控制室具有排出通道（26,48 ），其由在电致动器的控制下可轴向移动的活门（17）打开/关闭; 所述伺服阀还具有固定的轴向杆（33），所述轴向杆具有外侧表面（34），所述排出通道（26,48）通过所述外侧表面出来; 活门17安装在轴杆33上，以基本上流体密封的方式轴向滑动，当关闭排气通道26,48时，燃料经过基本上为零的轴向压力; 并且排出通道（26,48）的校准部分（42,42）形成在排放通道的出口附近，以在靠近快门（17）之间的关闭区域的燃料流出中产生漩涡和/或空化， 和轴向杆（33）。
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8.发明申请Method for obtaining a fuel injector for an internal-combustion engine, and an injector made according to said method 有权用于获得用于内燃机的燃料喷射器的方法和根据所述方法制造的喷射器公开(公告)号：US20060000931A1
公开(公告)日：2006-01-05
申请号：US11111065
申请日：2005-04-21
IPC分类号： B05B1/30
CPC分类号： F02M61/168 , F02M47/027 , F02M51/005 , F02M63/0015 , F02M2200/16 , F02M2200/9015 , Y10T29/49009 , Y10T29/494
摘要： A fuel injector for an internal-combustion engine comprises an injector body and an injection-control valve, which in turn comprises: an open/close element; an elastic thrust element for pushing the open/close element; and a solenoid actuator, which can be actuated for exerting an action countering the thrust exerted by the elastic element. The solenoid actuator is formed by a monolithic assembly obtained in a mould, in which there is injected, on a core and a coil coupled to one another, a plastic material, which defines, once it has solidified, a body for insulation of the core from the injector body and which forms, once it has solidified, a monolithic assembly with the core and the coil.
摘要翻译： 用于内燃机的燃料喷射器包括喷射器主体和喷射控制阀，该喷射器主体和喷射控制阀又包括开/关元件; 用于推动打开/关闭元件的弹性止推元件; 以及螺线管致动器，其可被致动以发挥抵抗由弹性元件施加的推力的作用。 螺线管致动器由在模具中获得的整体组件形成，其中注入在芯体和彼此联接的线圈上，塑料材料一旦固化就限定了用于绝缘芯体的主体 一旦它已经凝固，从注射器本体形成一个具有芯和线圈的整体式组件。
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9.发明授权Method for obtaining a fuel injector for an internal-combustion engine, and an injector made according to said method 有权用于获得用于内燃机的燃料喷射器的方法和根据所述方法制造的喷射器公开(公告)号：US08020834B2
公开(公告)日：2011-09-20
申请号：US12271349
申请日：2008-11-14
IPC分类号： F16K31/02
CPC分类号： F02M61/168 , F02M47/027 , F02M51/005 , F02M63/0015 , F02M2200/16 , F02M2200/9015 , Y10T29/49009 , Y10T29/494
摘要： A fuel injector for an internal-combustion engine comprises an injector body and an injection-control valve, which in turn comprises: an open/close element; an elastic thrust element for pushing the open/close element; and a solenoid actuator, which can be actuated for exerting an action countering the thrust exerted by the elastic element. The solenoid actuator is formed by a monolithic assembly obtained in a mould, in which there is injected, on a core and a coil coupled to one another, a plastic material, which defines, once it has solidified, a body for insulation of the core from the injector body and which forms, once it has solidified, a monolithic assembly with the core and the coil.
摘要翻译： 用于内燃机的燃料喷射器包括喷射器主体和喷射控制阀，该喷射器主体和喷射控制阀又包括开/关元件; 用于推动打开/关闭元件的弹性止推元件; 以及螺线管致动器，其可被致动以发挥抵抗由弹性元件施加的推力的作用。 螺线管致动器由在模具中获得的整体组件形成，其中注入在芯体和彼此联接的线圈上，塑料材料一旦固化就限定了用于绝缘芯体的主体 一旦它已经凝固，从注射器本体形成一个具有芯和线圈的整体式组件。
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公开(公告)号：US07299998B2
公开(公告)日：2007-11-27
申请号：US11171658
申请日：2005-06-30
IPC分类号： F02M41/16
CPC分类号： F02M47/027 , F02M61/12 , F02M63/0015 , F02M63/004 , F02M63/0043 , F02M63/007 , F02M63/0071 , F02M63/0073 , F02M63/008 , F02M2200/28 , F02M2547/003
摘要： An internal combustion engine fuel injector (1) has a rod (10) movable along an axis (3) to open/close a nozzle, and a servovalve (7) having a control chamber (23) with a discharge passage (26) which is opened/closed by a shutter (17) movable axially under the control of an electro-actuator (14); the servovalve (7) also has a fixed axial rod (33) having an outer lateral surface (34) through which the discharge passage (26) comes out; the shutter (17) is fitted to the axial rod (33) to slide axially in substantially fluidtight manner, and, when closing the discharge passage (26), is subjected to substantially zero resultant axial pressure by the fuel; and the control chamber (23) is bounded radially by a tubular portion (8) formed in one piece with said axial rod (33).
摘要翻译： 一种内燃机燃料喷射器（1）具有可沿轴线（3）移动以打开/关闭喷嘴的杆（10）和具有带有排放通道（26）的控制室（23）的伺服阀（7） 由在电致动器（14）的控制下可轴向移动的快门（17）打开/关闭; 伺服阀（7）还具有固定的轴向杆（33），其具有外侧表面（34），排出通道（26）从该外侧表面出来; 闸板17被安装到轴杆33上，以基本上流体密封的方式轴向滑动，并且当关闭排放通道26时，由燃料施加基本上为零的轴向压力; 并且所述控制室（23）由与所述轴向杆（33）一体形成的管状部分（8）沿径向限制。
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