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    • 1. 发明申请
    • Device for determing at least one parameter of a medium flowing inside a conduit
    • 用于确定在导管内流动的介质的至少一个参数的装置
    • US20060150730A1
    • 2006-07-13
    • US10534105
    • 2003-05-23
    • Thomas LenzingKlaus ReymannUwe KonzelmannTobias LangChristoph Gmelin
    • Thomas LenzingKlaus ReymannUwe KonzelmannTobias LangChristoph Gmelin
    • G01M19/00
    • F02M35/021F02D41/18G01F1/6842G01F5/00G01F15/12
    • A device for determining at least one parameter of a medium flowing in a line in a main flow direction includes a part adapted for introduction into the line. The part may include a measuring element for determining the at least one parameter; a measuring channel that may include an inlet, an outlet, a bent first section between the inlet and the measuring element, and a second section into which the first section may transition, the measuring element being located in the second section; and a projection, where a partial stream of the medium may flow in a measuring channel flow direction from the inlet to the outlet, the first section may redirect the partial stream after entering the measuring channel, and the projection may project into the measuring channel at a location downstream from the inlet and upstream from the measuring element relative to the measuring channel flow direction to direct the flow of the partial stream, and counteract a separation of the flow of the partial stream from channel walls of the measuring channel.
    • 用于确定在主流动方向上在一行中流动的介质的至少一个参数的装置包括适于引入到该线中的部分。 该部件可以包括用于确定至少一个参数的测量元件; 测量通道,其可以包括入口,出口,入口和测量元件之间的弯曲的第一部分,以及第一部分可以转过的第二部分,测量元件位于第二部分中; 以及投影,其中介质的部分流可以在从入口到出口的测量通道流动方向上流动,第一部分可以在进入测量通道之后重新定向部分流,并且投影可以投射到测量通道中 位于入口下游并且相对于测量通道流动方向上游的位置,以引导部分流的流动,并且抵消部分流的流动与测量通道的通道壁的分离。
    • 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。
    • 5. 发明授权
    • Ultrasonic flow meter including guide elements
    • 超声波流量计包括导向元件
    • US07252015B2
    • 2007-08-07
    • US11304181
    • 2005-12-14
    • Uwe KonzelmannTobias LangChristoph GmelinSami Radwan
    • Uwe KonzelmannTobias LangChristoph GmelinSami Radwan
    • G01F1/66
    • G01F5/00G01F1/662G01F1/667
    • The measurement of volume flows or mass flows in the intake system of motor vehicle internal combustion engines plays a significant role in reducing pollutant emissions. Therefore, an ultrasonic flow meter for measuring a flow rate of a fluid flowing in a primary flow direction is described. The ultrasonic flow meter has at least two ultrasonic transducers, the ultrasonic transducers being capable of emitting and/or receiving ultrasonic waves at an angle α to the primary flow direction which is different from 90°. Furthermore, the ultrasonic flow meter has at least one guide element which is entirely or partially situated in the fluid. This guide element diverts at least one part of the flowing fluid in such a way that in the diversion, a velocity component is transferred to at least one part of the flowing fluid perpendicular to the primary flow direction. Guide vanes or displacers in particular are described as guide elements. In addition, turbulators may be provided on the guide elements, the turbulators generating a longitudinal fluid bed along the guide elements and thus causing the flow of the fluid to have a better contact with the guide elements when flowing around them. This reduces turbulences within the ultrasonic flow meter. Compared to the devices known from the related art, the ultrasonic flow meters described are distinguished by an improved signal-to-noise ratio and accordingly by a higher measuring precision.
    • 机动车内燃机进气系统的体积流量或质量流量的测量在减少污染物排放方面起着重要的作用。 因此,描述了用于测量在主流动方向上流动的流体的流量的超声波流量计。 超声波流量计具有至少两个超声波换能器,超声换能器能够以与90°不同的一次流动方向的角度α发射和/或接收超声波。 此外,超声波流量计具有至少一个完全或部分位于流体中的引导元件。 该引导元件以这样一种方式使流动流体的至少一部分转向,即在转向中,速度分量被传递到垂直于主流动方向的流动流体的至少一部分。 导向叶片或置换器特别被描述为导向元件。 此外,可以在引导元件上设置紊流器,所述湍流器沿着引导元件产生纵向流体床,并且因此当流体流动时,使流体流动与引导元件更好地接触。 这可以减少超声波流量计内的湍流。 与现有技术中已知的装置相比,所描述的超声波流量计通过提高的信噪比并因此通过更高的测量精度来区分。
    • 6. 发明申请
    • Ultrasonic flow meter including turbulators
    • 超声波流量计包括湍流器
    • US20060156829A1
    • 2006-07-20
    • 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。
    • 7. 发明申请
    • Ultrasonic flow meter including guide elements
    • 超声波流量计包括导向元件
    • US20060156828A1
    • 2006-07-20
    • US11304181
    • 2005-12-14
    • Uwe KonzelmannTobias LangChristoph GmelinSami Radwan
    • Uwe KonzelmannTobias LangChristoph GmelinSami Radwan
    • G01F1/66
    • G01F5/00G01F1/662G01F1/667
    • The measurement of volume flows or mass flows in the intake system of motor vehicle internal combustion engines plays a significant role in reducing pollutant emissions. Therefore, an ultrasonic flow meter for measuring a flow rate of a fluid flowing in a primary flow direction is described. The ultrasonic flow meter has at least two ultrasonic transducers, the ultrasonic transducers being capable of emitting and/or receiving ultrasonic waves at an angle α to the primary flow direction which is different from 90°. Furthermore, the ultrasonic flow meter has at least one guide element which is entirely or partially situated in the fluid. This guide element diverts at least one part of the flowing fluid in such a way that in the diversion, a velocity component is transferred to at least one part of the flowing fluid perpendicular to the primary flow direction. Guide vanes or displacers in particular are described as guide elements. In addition, turbulators may be provided on the guide elements, the turbulators generating a longitudinal fluid bed along the guide elements and thus causing the flow of the fluid to have a better contact with the guide elements when flowing around them. This reduces turbulences within the ultrasonic flow meter. Compared to the devices known from the related art, the ultrasonic flow meters described are distinguished by an improved signal-to-noise ratio and accordingly by a higher measuring precision.
    • 机动车内燃机进气系统的体积流量或质量流量的测量在减少污染物排放方面起着重要的作用。 因此,描述了用于测量在主流动方向上流动的流体的流量的超声波流量计。 超声波流量计具有至少两个超声波换能器,超声换能器能够以与90°不同的一次流动方向的角度α发射和/或接收超声波。 此外,超声波流量计具有至少一个完全或部分位于流体中的引导元件。 该引导元件以这样一种方式使流动流体的至少一部分转向,即在转向中,速度分量被传递到垂直于主流动方向的流动流体的至少一部分。 导向叶片或置换器特别被描述为导向元件。 此外,可以在引导元件上设置紊流器,所述湍流器沿着引导元件产生纵向流体床,并且因此当流体流动时,使流体流动与引导元件更好地接触。 这可以减少超声波流量计内的湍流。 与现有技术中已知的装置相比,所描述的超声波流量计通过提高的信噪比并因此通过更高的测量精度来区分。
    • 8. 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。