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1. 发明授权

US10253739B2 Fuel injection valve for an internal combustion engine 有权
公开(公告)号：US10253739B2
公开(公告)日：2019-04-09
申请号：US14827173
申请日：2015-08-14
申请人： Continental Automotive GmbH
发明人： Stefano Filippi , Mauro Grandi , Francesco Lenzi , Valerio Polidori
IPC分类号： F02M51/06 , F16K31/06
摘要： A fuel injection valve includes a housing with a cavity, a valve needle, an actuator including a magnetic coil arranged in a coil casing, and an armature in the cavity. The housing includes a separation ring positioned between the armature and the coil casing and configured to lead the electromagnetic flux to the armature. The separation ring includes a first part and a second part. The first part is made of a first material and the second part is made of second material that differs from the first material. The first material and the second material are magnetic materials.

2. 发明授权

US10036352B2 Fluid injector, combustion engine and method for operating a combustion engine 有权
公开(公告)号：US10036352B2
公开(公告)日：2018-07-31
申请号：US15288895
申请日：2016-10-07
申请人： CONTINENTAL AUTOMOTIVE GMBH
发明人： Mauro Grandi
IPC分类号： F02M51/06 , F02M21/02
CPC分类号： F02M21/0254 , F02M21/0215 , F02M21/0269 , F02M21/0275 , F02M51/0614 , F02M63/0017 , F02M63/0061 , Y02T10/32
摘要： A fluid injector for a combustion engine is disclosed, including an injector housing having a fluid path wherein the fluid path extends along a longitudinal axis from an injector inlet to an injector outlet; a coil; a pole piece; a first valve adapted to act on the fluid path and having a first armature; a second valve adapted to act on the fluid path and having a second armature. The first armature and the second armature are arranged proximate to the pole piece on antipodal sides of the pole piece along a longitudinal direction.

3. 发明授权

US09995262B2 Fluid injection valve 有权
公开(公告)号：US09995262B2
公开(公告)日：2018-06-12
申请号：US15023511
申请日：2014-08-14
申请人： CONTINENTAL AUTOMOTIVE GMBH
发明人： Mauro Grandi , Francesco Lenzi , Valerio Polidori , Stefano Filippi
IPC分类号： F02M51/06 , F02M61/04
CPC分类号： F02M51/0685 , F02M51/066 , F02M61/042
摘要： A fluid injection valve has a valve needle and an electromagnetic actuator assembly with a pole piece and an armature. The valve needle includes a retainer element for limiting an axial displacement of the armature with respect to the valve needle in a first axial direction. The pole piece has a central opening with a step so that it has a first section in which a first portion of the retainer element is arranged and a second section for receiving a second portion of the retainer element. The first section of the central opening has a smaller cross-sectional area than the second section.

4. 发明申请

US20160017853A1 Valve Body and Fluid Injector 有权
标题翻译：阀体和流体注射器
公开(公告)号：US20160017853A1
公开(公告)日：2016-01-21
申请号：US14773544
申请日：2014-02-17
申请人： CONTINENTAL AUTOMOTIVE GMBH
发明人： Mauro Grandi , Francesco Lenzi , Valerio Polidori
IPC分类号： F02M61/10 , F02M63/00
CPC分类号： F02M61/10 , F02M51/0614 , F02M51/0667 , F02M51/0682 , F02M61/168 , F02M63/0021 , F02M63/0078 , F02M2200/08 , F02M2200/8061 , F02M2200/9069 , H01F7/081 , H01F7/1607
摘要： A valve body for a fluid injector includes a central longitudinal axis and a one-piece base body. The base body has a side wall defining a recess extending from a fluid inlet side to a fluid outlet side of the base body. The side wall has a thin portion having a decreased wall thickness relative to further portions of the side wall that adjoin the thin portion along the longitudinal direction towards the fluid inlet side and the fluid outlet side. The valve body includes a metallic reinforcement jacket that is rigidly coupled to the base body and which axially overlaps the thin portion having the decreased wall thickness.
摘要翻译：用于流体喷射器的阀体包括中心纵向轴线和一体式基体。基体具有限定从基体的流体入口侧延伸到流体出口侧的凹部的侧壁。侧壁具有相对于沿着纵向方向邻近薄壁部分朝向流体入口侧和流体出口侧的侧壁的另外部分而具有减小壁厚的薄壁部分。阀体包括金属加强护套，其刚性地联接到基体并且与具有减小的壁厚度的薄部分轴向重叠。

5. 发明申请

US20150108238A1 Method for Monitoring an Injection Valve, and Method for Operating an Injection Valve 有权
标题翻译：监控注射阀的方法，以及操作注射阀的方法
公开(公告)号：US20150108238A1
公开(公告)日：2015-04-23
申请号：US14399227
申请日：2013-05-08
申请人： Continental Automotive GmbH
发明人： Mauro Grandi
IPC分类号： F02M51/06 , F02M57/00
CPC分类号： F02M51/061 , F02D41/20 , F02D41/221 , F02D41/2467 , F02D2041/2034 , F02D2041/2044 , F02D2041/2058 , F02M57/005 , Y02T10/40
摘要： A method is disclosed for monitoring an opening of an injection valve. The injection valve includes a valve body with a cavity having a fluid outlet portion, a valve needle movable in the cavity between a closing position preventing fluid flow outlet and other positions allowing fluid flow through the outlet, and an actuator unit for actuating the valve needle. The method includes actuating the actuator unit with a predetermined voltage signal, recording a time-dependent profile of a current through the actuator unit, detecting a first gradient alteration time where the gradient of the recorded current profile changes more than a first threshold, detecting a second gradient alteration time where the gradient of the recorded current profile changes more than a second threshold, and based on the first and second gradient alteration times determining a diagnostic value usable for compensating a long-term drift of the injection valve.
摘要翻译：公开了一种用于监视喷射阀的打开的方法。注射阀包括具有腔体的阀体，其具有流体出口部分，可在空腔中可移动的封闭位置，阻止流体流出口与允许流体流过出口的其它位置之间的阀针以及用于致动阀针的致动器单元。所述方法包括以预定的电压信号致动所述致动器单元，记录电流通过所述致动器单元的时间相关曲线，检测所述记录的电流分布的梯度变化多于第一阈值的第一梯度改变时间，检测第二梯度改变时间，其中所记录的电流分布的梯度变化大于第二阈值，并且基于确定可用于补偿喷射阀的长期漂移的诊断值的第一和第二梯度改变时间。

6. 发明申请

US20150040869A1 Fluid Injector And Method For Operating A Fluid Injector 有权
标题翻译：流体注射器和操作流体注射器的方法
公开(公告)号：US20150040869A1
公开(公告)日：2015-02-12
申请号：US14293581
申请日：2014-06-02
申请人： Continental Automotive GmbH
发明人： Stefano Filippi , Mauro Grandi , Francesco Lenzi , Valerio Polidori
IPC分类号： F02M51/06
CPC分类号： F02M51/0621 , F02D41/20 , F02D41/247 , F02D2041/2051 , F02D2041/2055 , F02D2041/2079 , F02D2200/063 , F02M51/0617 , F02M65/005 , F02M2200/08 , F02M2200/9053
摘要： A fluid injector includes a valve body, a valve needle and axially moveable in the valve body between a closing position that prevents a fluid injection and further positions that permit the fluid injection, an armature coupled to the valve needle for displacing the valve needle away from the closing position, and a solenoid assembly including at least a first and second coil and operable to magnetically actuate the armature via an electrical signal. A method for operating the fluid injector includes applying the electrical signal to the first coil to generate a magnetic field to move the armature for displacing the valve needle away from the closing position, evaluating a voltage across terminals of the first coil, and controlling the second coil with a further electrical signal to saturate a magnetic field in a portion of the valve body between the armature and solenoid assembly during evaluating the voltage.
摘要翻译：流体注射器包括阀体，阀针，并且可在阀体内轴向移动，该阀体在阻止流体注入的关闭位置和允许流体注入的另外位置之间轴向移动;联接到阀针的电枢，用于使阀针移离所述关闭位置以及包括至少第一和第二线圈并且可操作以经由电信号磁性地驱动所述电枢的螺线管组件。用于操作流体注射器的方法包括将电信号施加到第一线圈以产生磁场以移动衔铁以使阀针移离闭合位置，评估第一线圈的端子两端的电压，并且控制第二线圈线圈具有另外的电信号，以在评估电压期间使电枢和螺线管组件之间的阀体的一部分中的磁场饱和。

7. 发明授权

US11231001B2 Fuel injector 有权
公开(公告)号：US11231001B2
公开(公告)日：2022-01-25
申请号：US15027074
申请日：2014-09-29
申请人： Continental Automotive GmbH
发明人： Stefano Filippi , Mauro Grandi , Francesco Lenzi , Valerio Polidori
IPC分类号： F02M61/08 , F02M63/00 , F02M45/08 , F02M61/20 , F02M61/10
摘要： The present disclosure relates to a fuel injector for injecting fuel into a combustion engine. It may comprise a valve with a movable needle, two springs pushing the needle toward the closed position, and an actuator for opening the valve. The needle may be in a fuel reservoir of a valve body. The actuator may supply pressurized fuel to the fuel reservoir so that the fuel pressure forces the needle away from the closed position against the spring force of the first spring or the first and second springs, respectively. There may be play between the second spring and the needle when the needle is in the closed position.

8. 发明授权

US10731614B2 Fuel injection valve with an anti bounce device 有权
公开(公告)号：US10731614B2
公开(公告)日：2020-08-04
申请号：US15767512
申请日：2016-10-10
申请人： Continental Automotive GmbH
发明人： Stefano Filippi , Mauro Grandi , Matteo Soriani
IPC分类号： F02M51/06 , F16F1/04
摘要： The present disclosure relates to internal combustion engines. Various embodiments may include a fuel injection system for delivering fuel to an internal combustion engine. For example, fuel injector may include a valve body having a cavity; a valve needle with a retainer moving in the cavity; an actuator assembly comprising: a spring element next to the valve needle; an electro-magnetic coil; an armature element movable in the cavity; and an anti-bounce device. The armature element may be between the retainer portion of the valve needle and the anti-bounce device. The anti-bounce device may impose a spring force and a hydraulic force for dampening a movement of the armature element. The anti-bounce device may comprise a spring portion exerting the spring force to close the valve needle and a hydraulic damper portion integrally connected to the spring portion.

9. 发明授权

US09856989B2 Method for producing a valve body for an electromechanically operable valve, a valve body, and an electromechanically operable valve comprising the valve body 有权
公开(公告)号：US09856989B2
公开(公告)日：2018-01-02
申请号：US14293413
申请日：2014-06-02
申请人： Continental Automotive GmbH
发明人： Francesco Lenzi , Stefano Filippi , Mauro Grandi
IPC分类号： F16K27/00 , C21D1/34 , F02M51/06 , F16K31/06 , C21D9/00
CPC分类号： F16K27/00 , C21D1/34 , C21D9/00 , C21D2211/008 , F02M51/061 , F02M51/0671 , F02M2200/80 , F02M2200/9061 , F02M2200/9069 , F16K31/06
摘要： A valve body for an electromechanically operable valve is produced by providing a base element with a circumferential sidewall having a first portion, a second portion, and a third portion, the sidewall being made of a ferromagnetic material and enclosing a cavity extending along a longitudinal axis. The third portion is positioned in longitudinal direction between the first portion and the second portion. A thickness of the third portion is smaller than a thickness of the first portion and the second portion. Hardening the third portion is achieved by laser heating, which transforms a material structure of the third portion into a martensitic structure. The locally decreased thickness creates a bottleneck for a magnetic flux, and a magnetic flux bypass in the valve body is reduced due to magnetic saturation; however, a structural resistance of the valve body remains high due to the laser induced hardening.

10. 发明申请

US20170292486A1 Fuel Injection Valve And Fuel-Injection System 审中-公开
公开(公告)号：US20170292486A1
公开(公告)日：2017-10-12
申请号：US15513623
申请日：2015-08-26
申请人： Continental Automotive GmbH
发明人： Stefano Filippi , Mauro Grandi , Francesco Lenzi , Valerio Polidori
IPC分类号： F02M61/14
CPC分类号： F02M61/14 , F02M2200/09 , F02M2200/851 , F02M2200/858 , F02M2200/9015 , F16J15/122
摘要： The present disclosure relates to fuel injection systems. The teachings thereof may be embodied in an adjustment device for a fuel injection valve including a ring element to fit a recess of the cylinder head between a valve housing and the cylinder head to align the valve relative to the recess. The ring element may include a metallic coil spring and an elastomeric component surrounding and completely enveloping the metallic component.

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