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    • 1. 发明授权
    • Plug-in sensor having an optimized flow outlet
    • 插入式传感器具有优化的流出口
    • US08418548B2
    • 2013-04-16
    • US12308490
    • 2007-09-12
    • Uwe KonzelmannChristoph Gmelin
    • Uwe KonzelmannChristoph Gmelin
    • G01F1/68G01M15/00
    • G01F1/6842
    • A plug-in sensor is provided which is suitable for determining at least one parameter of a fluid medium flowing in a main flow direction, especially of an intake air mass of an internal combustion engine flowing through a flow pipe. The plug-in sensor has a plug part that is able to be mounted in the flowing fluid medium, in a specified alignment to the main flow direction. In the plug part, at least one flow channel is provided having at least one inlet opening and at least one outlet opening, in the at least one flow channel at least one sensor is accommodated for determining the at least one parameter. The plug part has a profile at which at least one local pressure minimum sets in in the flowing fluid medium. The at least one outlet opening is situated at the side of the plug part, in the region of the at least one pressure minimum.
    • 提供一种插入式传感器,其适于确定沿主流动方向流动的流体介质的至少一个参数,特别是流经流量管的内燃机的进气体质量。 插入式传感器具有能够以与主流动方向一致的方式安装在流动介质中的塞子部件。 在插头部分中,提供至少一个流动通道,其具有至少一个入口开口和至少一个出口开口,在至少一个流动通道中容纳有至少一个传感器用于确定至少一个参数。 插塞部分具有在流动介质中至少设置至少一个局部压力最小的轮廓。 所述至少一个出口开口位于所述插塞部分的所述至少一个压力最小值的区域中。
    • 4. 发明授权
    • Ultrasonic flow meter including turbulators
    • 超声波流量计包括湍流器
    • US07380470B2
    • 2008-06-03
    • US11304906
    • 2005-12-14
    • Uwe KonzelmannTobias LangChristoph Gmelin
    • Uwe KonzelmannTobias LangChristoph Gmelin
    • G01F1/66
    • G01F1/662G01F15/00
    • Measuring volume flows or mass flows in the intake system of motor vehicle internal combustion engines plays an important role in reducing harmful emissions. Therefore, an ultrasonic flow meter for measuring a flow velocity of a fluid flowing in an essentially laminar flow in the main flow direction is described. The ultrasonic flow meter has at least two ultrasonic transducers, the ultrasonic transducers being able to emit and/or receive ultrasonic waves at an angle α to the main flow direction which is different from 90°. Furthermore, the ultrasonic flow meter has at least one turbulator situated upstream from at least one ultrasonic transducer in the main flow direction of the fluid, which generates longitudinal eddies in at least one zone adjacent to the at least one ultrasonic transducer, in particular in a protrusion in a wall of a flow pipe and thus improves the flow of the fluid in this zone in the flow pipe. Wedge-shaped turbulators protruding into the flow of the fluid or flow grooves are provided in particular as turbulators. The ultrasonic flow meter is distinguished, in comparison with devices known from the related art, by improved signal-to-noise ratio and thus by higher measurement accuracy.
    • 测量机动车内燃机进气系统中的体积流量或质量流量对减少有害排放物起着重要的作用。 因此,描述了用于测量在主流动方向上基本上层流中流动的流体的流速的超声波流量计。 超声波流量计具有至少两个超声波换能器,超声换能器能够以不同于90°的主流动方向的角度α发射和/或接收超声波。 此外,超声波流量计具有位于流体主流动方向上的至少一个超声换能器上游的至少一个湍流器,其在与至少一个超声波换能器相邻的至少一个区域中产生纵向涡流,特别是在 突出在流管的壁中,从而改善流管中该区域中的流体的流动。 突出到流体或流动槽的流动中的楔形紊流器尤其被提供为湍流器。 与现有技术中已知的装置相比,超声波流量计的特征在于通过改善的信噪比并由此提高测量精度。
    • 6. 发明申请
    • Device for determining at least one parameter of a medium flowing in a line
    • 用于确定在一行中流动的介质的至少一个参数的装置
    • US20070163338A1
    • 2007-07-19
    • US10552865
    • 2004-02-11
    • Uwe KonzelmannChristoph Gmelin
    • Uwe KonzelmannChristoph Gmelin
    • G01M19/00G01F1/37G01P5/00
    • G01F1/6842G01F5/00G01F15/12
    • In a device for determining at least one parameter of a medium flowing in a main direction of flow in a line, which device has a part that can be inserted into the line with a predeterminable orientation in relation to the main direction of flow in such a manner that a partial stream of the medium flowing in the line passes into an entry region of a channel structure formed in the part, a measuring channel, provided with a measuring element for determining the at least one parameter, branching off from the entry region and the entry region having a separation zone which is separated from the measuring channel and has at least one separation aperture, which separation aperture opens into the line at a side wall of the part, which side wall extends substantially parallel to the main direction of flow, the part advantageously has at least one wind shield which is disposed downstream of the at least one separation aperture in the direction of the main direction of flow and which projects from the side wall provided with the separation aperture.
    • 在用于确定沿着主要流动方向流动的介质的至少一个参数的装置中,该装置具有能够以这样的方式相对于主流动方向以可预定的方向插入到该线中的部分 使得在该线路中流动的介质的部分流进入形成在该部分中的通道结构的入口区域的方式,测量通道,设置有用于确定至少一个参数的测量元件,从入口区域分支出;以及 所述入口区域具有与所述测量通道分离并具有至少一个分离孔的分离区,所述分隔孔在所述部分的侧壁处通向所述管线,所述侧壁基本上平行于所述主流动方向延伸, 该部件有利地具有至少一个挡风板,其沿着主流动方向设置在至少一个分离孔的下游,并且将f 从侧壁设有分隔孔。
    • 10. 发明申请
    • PLUG-IN SENSOR HAVING AN OPTIMIZED FLOW OUTLET
    • 具有优化流量出口的插入式传感器
    • US20110000289A1
    • 2011-01-06
    • US12308490
    • 2007-09-12
    • Uwe KonzelmannChristoph Gmelin
    • Uwe KonzelmannChristoph Gmelin
    • G01F1/684
    • G01F1/6842
    • A plug-in sensor is provided which is suitable for determining at least one parameter of a fluid medium flowing in a main flow direction, especially of an intake air mass of an internal combustion engine flowing through a flow pipe. The plug-in sensor has a plug part that is able to be mounted in the flowing fluid medium, in a specified alignment to the main flow direction. In the plug part, at least one flow channel is provided having at least one inlet opening and at least one outlet opening, in the at least one flow channel at least one sensor is accommodated for determining the at least one parameter. The plug part has a profile at which at least one local pressure minimum sets in the flowing fluid medium. The at least one outlet opening is situated at the side of the plug part, in the region of the at least one pressure minimum.
    • 提供一种插入式传感器,其适于确定沿主流动方向流动的流体介质的至少一个参数,特别是流经流量管的内燃机的进气体质量。 插入式传感器具有能够以与主流动方向一致的方式安装在流动介质中的塞子部件。 在插头部分中,提供至少一个流动通道,其具有至少一个入口开口和至少一个出口开口,在至少一个流动通道中容纳有至少一个传感器用于确定至少一个参数。 插塞部分具有轮廓,在该轮廓中至少一个局部压力最小值设定在流动的流体介质中。 所述至少一个出口开口位于所述插塞部分的所述至少一个压力最小值的区域中。