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    • 62. 发明授权
    • Fuel injector
    • 喷油器
    • US08272370B2
    • 2012-09-25
    • US11991047
    • 2006-08-01
    • Martin MaierJohann BayerChristian SuenkelWolfgang Koschwitz
    • Martin MaierJohann BayerChristian SuenkelWolfgang Koschwitz
    • F02M51/06F02M61/16
    • F02M51/061F02M61/168F02M2200/8061
    • A fuel injector for fuel injection systems of internal combustion engines is described. The fuel injector includes an electromagnetic actuating element having a magnetic coil, a core and a valve jacket as the outer magnetic circuit component and a movable valve-closure member which interacts with a valve-seat surface assigned to a valve-seat member. The core and a connecting tube in an inner opening of a thin-walled valve sleeve and the valve jacket on the outer circumference of the valve sleeve are firmly connected to the valve sleeve by pressing them therein/thereon. The fixed press connection between two of these metallic components of the fuel injector is characterized in that at least one of the component partners has a structure including grooves in its press area and/or the particular press area has an inlet rounding in at least one transition to an adjacent component section.
    • 描述了用于内燃机的燃料喷射系统的燃料喷射器。 燃料喷射器包括电磁致动元件,该电磁致动元件具有作为外部磁路部件的电磁线圈,芯部和阀套,以及与分配给阀座部件的阀座表面相互作用的可动阀闭合部件。 在薄壁阀套的内开口中的芯和连接管与阀套的外周上的阀套通过将其压入/在其上而牢固地连接到阀套上。 燃料喷射器的这些金属部件中的两个之间的固定压力连接的特征在于,至少一个部件对准件具有包括其压制区域中的凹槽的结构和/或特定压制区域在至少一个过渡部中具有四舍五入 到相邻的部件部分。
    • 63. 发明授权
    • Device having a shape memory element
    • 具有形状记忆元件的装置
    • US08237525B2
    • 2012-08-07
    • US11793086
    • 2005-10-05
    • Anh-Tuan HoangMartin MaierGuenther Hohl
    • Anh-Tuan HoangMartin MaierGuenther Hohl
    • H01F7/00H01H55/00
    • H01L41/12F02M51/0603F02M61/08F02M2200/22
    • Conventional devices have a valve needle and a shape memory element which, by the application of a controllable magnetic field, executes a control stroke travel that operates the actuator, and having a coil that excites the magnetic field which is situated in a magnet housing which, at its end face, is bordered with respect to an actuating axis by a front wall in each case, the front walls having a through opening radially within the coil. It is a disadvantage that the magnetic field excited around the coil is conducted unfavorably, so that at most a slight magnetic field develops in the shape memory element. The shape memory element has a magnetic field flowing through it, in the direction of its longitudinal extension, if at all. Since the shape memory element has a high magnetic resistance and is developed to be very long in the axial direction, only a very weak magnetic field can be induced in the shape memory element. In response to the magnetic field that is weak at most, the shape memory element can generate only a very slight lift of the valve needle. In the device according to the present invention, a strong magnetic field is conducted through the shape memory elements, and in this way, a large control stroke travel is achieved. The shape memory element(s) is/are positioned generally only in the through opening(s).
    • 常规装置具有阀针和形状记忆元件,其通过施加可控磁场来执行操作致动器的控制行程行程,并且具有激励位于磁体壳体中的磁场的线圈, 在其端面处,在每种情况下通过前壁相对于致动轴线相邻,前壁具有径向在线圈内的通孔。 不利的是,线圈周围激发的磁场是不利的,因此在形状记忆元件中最多产生轻微的磁场。 形状记忆元件具有在其纵向延伸的方向上流经的磁场,如果有的话。 由于形状记忆元件具有高磁阻并且在轴向上被显影为非常长,所以在形状记忆元件中只能产生非常弱的磁场。 响应于至多为弱的磁场,形状记忆元件可以仅产生非常轻微的阀针的提升。 在根据本发明的装置中,通过形状记忆元件传导强磁场,从而实现了大的控制行程行程。 形状记忆元件通常仅定位在通孔中。
    • 67. 发明授权
    • Method and device for determining hydraulic leakage rate in liquid-conveying sections, in particular, injection valves of internal combustion engines
    • 用于确定液体输送部分,特别是内燃机的喷射阀中的液压泄漏率的方法和装置
    • US07963149B2
    • 2011-06-21
    • US12090516
    • 2006-10-12
    • Martin MaierFrank MozerEberhard Waibler
    • Martin MaierFrank MozerEberhard Waibler
    • G01M3/02G01M3/16
    • G01M3/2876F02M65/00F02M65/006
    • A method and device for determining the hydraulic leakage rate of liquid-conveying parts, in particular injection valves for internal combustion engines, place the liquid-conveying part into a test body, and the liquid-conveying part is charged with a test liquid under a particular pressure, and a carrier gas stream is provided in a flow duct of the test body, and a vapor mixture behind the liquid-conveying part is conducted to an analyzer, and a measurement and analysis are carried out, using the analyzer, of the hydraulic leakage rate of the liquid-conveying part via the concentration of test liquid in the vapor mixture, the carrier gas stream being brought in via a nozzle element close to the leakage point of the liquid-conveying part, and/or a heating of the vapor mixture being provided behind the liquid-conveying part for complete conversion into the gas phase. The testing device is particularly suitable for leakage measurement in fuel injection valves used in fuel injection systems of mixture-compressing externally ignited internal combustion engines.
    • 一种用于确定液体输送部件,特别是用于内燃机的喷射阀的液压泄漏率的方法和装置,将液体输送部件放入测试体中,并且在液体输送部件的下面装入测试液体 特定的压力,并且在测试体的流动管道中设置载气流,并且将液体输送部件后面的蒸汽混合物传导到分析器,并且使用分析仪进行测量和分析, 通过蒸汽混合物中的测试液体的浓度,液体输送部分的液压泄漏速率,载气流经由靠近液体输送部分的泄漏点的喷嘴元件引入,和/或 蒸气混合物设置在液体输送部分的后面,以完全转化为气相。 该测试装置特别适用于在混合压缩外部点燃的内燃机的燃料喷射系统中使用的燃料喷射阀中的泄漏测量。
    • 69. 发明申请
    • Method and Device for Determining Hydraulic Leakage Rate in Liquid-Conveying Sections, in Particular, Injection Valves of Internal Combustion Engines
    • 确定液体输送段液压泄漏率的方法和装置,特别是内燃机喷油阀
    • US20080314120A1
    • 2008-12-25
    • US12090516
    • 2006-10-12
    • Martin MaierFrank MozerEberhard Waibler
    • Martin MaierFrank MozerEberhard Waibler
    • G01M3/02
    • G01M3/2876F02M65/00F02M65/006
    • A method and device for determining the hydraulic leakage rate of liquid-conveying parts, in particular injection valves for internal combustion engines, place the liquid-conveying part into a test body, and the liquid-conveying part is charged with a test liquid under a particular pressure, and a carrier gas stream is provided in a flow duct of the test body, and a vapor mixture behind the liquid-conveying part is conducted to an analyzer, and a measurement and analysis are carried out, using the analyzer, of the hydraulic leakage rate of the liquid-conveying part via the concentration of test liquid in the vapor mixture, the carrier gas stream being brought in via a nozzle element close to the leakage point of the liquid-conveying part, and/or a heating of the vapor mixture being provided behind the liquid-conveying part for complete conversion into the gas phase. The testing device is particularly suitable for leakage measurement in fuel injection valves used in fuel injection systems of mixture-compressing externally ignited internal combustion engines.
    • 一种用于确定液体输送部件,特别是用于内燃机的喷射阀的液压泄漏率的方法和装置,将液体输送部件放入测试体中,并且在液体输送部件的下面装入测试液体 特定的压力,并且在测试体的流动管道中设置载气流,并且将液体输送部件后面的蒸汽混合物传导到分析器,并且使用分析仪进行测量和分析, 通过蒸汽混合物中的测试液体的浓度,液体输送部分的液压泄漏速率,载气流经由靠近液体输送部分的泄漏点的喷嘴元件引入,和/或 蒸气混合物设置在液体输送部分的后面,以完全转化为气相。 该测试装置特别适用于在混合压缩外部点燃的内燃机的燃料喷射系统中使用的燃料喷射阀中的泄漏测量。