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    • 71. 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。
    • 73. 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。
    • 78. 发明申请
    • Method and apparatus for determining a frequency for the sampling of an analog signal
    • 用于确定模拟信号采样频率的方法和装置
    • US20050179571A1
    • 2005-08-18
    • US11098743
    • 2005-04-04
    • Martin Maier
    • Martin Maier
    • G09G3/20G09G3/36G09G5/00G09G5/18H03M7/00
    • G09G5/008
    • In a method and an apparatus for determining a frequency for the sampling of an analog signal, which is provided to a digital screen for representing an image on the same, at least two areas succeeding in line direction will be established in the image to be displayed. In each of the established areas, a sample phase will be determined, for which a contrast in the established area is maximum or a minimum. Subsequently, a local course of the sample phase will be determined in the line direction based on the determined sample phases. The sampling frequency will be determined based on a base value and a modification value, which is derived from the local course of the sample phase.
    • 在用于确定模拟信号采样的频率的方法和装置中,其提供给用于表示其上的图像的数字屏幕,将在要显示的图像中建立至少两个沿行方向的区域 。 在每个已建立的区域中,将确定一个采样阶段,对于该阶段,建立区域的对比度最大或最小。 随后,将基于确定的样本相位在线方向上确定样本相位的局部路线。 采样频率将根据从样本相位的局部过程导出的基值和修正值来确定。
    • 79. 发明授权
    • Fuel injection valve
    • 燃油喷射阀
    • US06869032B2
    • 2005-03-22
    • US10297155
    • 2002-03-27
    • Martin MaierGuenter DantesDetlef NowakJoerg Heyse
    • Martin MaierGuenter DantesDetlef NowakJoerg Heyse
    • F02M51/06F02M51/08F02M61/16F02M61/18F02M69/04F02M61/00
    • F02M69/045F02M61/162F02M61/163F02M61/1853F02M2051/08
    • A fuel injector, in particular for a high-pressure injector for direct injection of fuel into a combustion chamber of an internal combustion engine, has compression of a fuel/air mixture with spark ignition. On the downstream end of the valve a valve seat element is provided, to which a perforated disk acting as a flow restrictor is connected downstream. A swirl element is situated upstream from the valve seat which imparts an atomization-promoting rotational motion to the fuel to be injected. In the valve seat element downstream from the valve seat, an elongated outlet orifice is provided which opens directly into an orifice in the perforated disk attached to the valve seat element. The width of the outlet orifice is greater than the width of the orifice in the perforated disk, at least at its narrowest location, so that it is possible to adjust the steady-state flow rate of the valve at the orifice.
    • 燃料喷射器,特别是用于将燃料直接喷射到内燃机的燃烧室中的高压喷射器,具有用火花点火的燃料/空气混合物的压缩。 在阀的下游端设置有阀座元件,作为流量限制器的多孔盘连接到下游。 涡流元件位于阀座的上游,其向喷射的燃料施加雾化促进旋转运动。 在阀座下游的阀座元件中,设置有细长的出口孔,其直接打开在连接到阀座元件的多孔盘中的孔中。 出口孔的宽度至少在其最窄的位置处大于多孔板中孔口的宽度,使得可以调节阀在孔处的稳态流速。