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    • 62. 发明申请
    • Ultrasound Flow Sensor with a Modulo-2Pi for a Remaining Part Tracing
    • 超声波流量传感器,具有模2Pi用于剩余部分跟踪
    • US20080250868A1
    • 2008-10-16
    • US11576284
    • 2005-12-06
    • Uwe KonzelmannTobias LangSami Radwan
    • Uwe KonzelmannTobias LangSami Radwan
    • G01F1/66
    • G01P5/245G01F1/667G01F1/7082G01N29/024G01N29/38G01N29/4472G01N2291/02836
    • The invention relates to a method for determining the running time (t) of an ultrasound flow sensor (6) ultrasound signal (15) which is transmitted by an ultrasound transducer (A, B) to a measuring section (S), wherein the phase position (ΔF) of said ultrasound signal (15) is determined with respect to a reference clock (8) and a remaining part (r(t)) is determined as a measure of the running time (tmes) of the ultrasound signal (15). The measurement of the running time can be carried out in a particularly robust manner with a minimum use of hardware, when the phase position (ΔF) is determined with the aid of a quadrature-demodulation method consisting in inverting the received signal (15) in a segmented manner with the aid of a clock signal (8) and the phase of the off-set clock signal (9) and the remaining part (r(t)) is determined according to a characteristic quantity (ts) of the sound signal (15).
    • 本发明涉及一种用于确定由超声换能器(A,B)传送到测量部分(S)的超声波流量传感器(6)超声信号(15)的运行时间(t)的方法,其中相位 相对于参考时钟(8)确定所述超声信号(15)的位置(DeltaF),并且剩余部分(r(t))被确定为超声信号(15)的运行时间(tmes)的度量 )。 当通过正交解调方法确定相位位置(DeltaF)时,运行时间的测量可以以最少使用硬件的特别鲁棒的方式进行,该正交解调方法包括将接收信号(15)反相 借助于时钟信号(8)的分段方式和偏移时钟信号(9)和剩余部分(r(t))的相位根据声音信号的特征量(ts)来确定 (15)。
    • 63. 发明授权
    • Device for determining air mass in a line and including a separation outlet having a wind shield structure
    • 用于确定管线中的空气质量并包括具有防风罩结构的分离出口的装置
    • US07401509B2
    • 2008-07-22
    • US10552865
    • 2004-02-11
    • Uwe KonzelmannChristoph Gmelin
    • Uwe KonzelmannChristoph Gmelin
    • G01F1/68
    • 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。
    • 64. 发明授权
    • Device for determining at least one parameter of a medium flowing in a conduit and having a separation opening in the bypass passage
    • 用于确定在导管中流动并且在旁路通道中具有分隔开口的介质的至少一个参数的装置
    • US07360414B2
    • 2008-04-22
    • US10564459
    • 2004-06-18
    • Uwe KonzelmannHenning MarbergChristoph Gmelin
    • Uwe KonzelmannHenning MarbergChristoph Gmelin
    • G01F1/68
    • G01F1/6842G01F5/00
    • Devices for determining at least one parameter of a medium flowing in a conduit, in particular for determining the air-mass flow in the intake tract of an internal combustion engine, including a conduit member and sensor device having a bypass section are already known. To prevent flow detachment at the side walls of the bypass section, it is proposed that a flow guide wall running substantially parallel to the side wall provided with the separation opening of the bypass section be arranged in the conduit member behind the separation opening, as viewed in the main flow direction; the length dimension b of the flow guide wall, as viewed in the main flow direction, being equal to or greater than the distance a of the separation opening from the rear wall; and the distance c of the flow guide wall from the center axis of the conduit member being greater than or equal to the distance d of the side wall provided with the separation opening of the bypass section from the center axis.
    • 用于确定在导管中流动的介质的至少一个参数的装置,特别是用于确定包括导管构件和具有旁路部分的传感器装置的内燃机的进气道中的空气质量流量是已知的。 为了防止在旁路部分的侧壁处的流动分离,建议在分离开口后面的导管构件中布置大致平行于设置有旁通部分的分离开口的侧壁延伸的导流壁,如图所示 在主流方向; 在主流动方向观察时,导流壁的长度尺寸b等于或大于分隔开口与后壁的距离a; 并且导流壁距管道构件的中心轴线的距离c大于或等于设置有旁通区段的分离开口的侧壁距离中心轴线的距离d。
    • 66. 发明申请
    • Device for determining at least one parameter of a medium flowing in a conduit
    • 用于确定在导管中流动的介质的至少一个参数的装置
    • US20070062276A1
    • 2007-03-22
    • US10564459
    • 2004-06-18
    • Uwe KonzelmannHenning MarbergChristoph Gmelin
    • Uwe KonzelmannHenning MarbergChristoph Gmelin
    • G01F1/68
    • G01F1/6842G01F5/00
    • Devices for determining at least one parameter of a medium flowing in a conduit, in particular for determining the air-mass flow in the intake tract of an internal combustion engine, including a conduit member and sensor device having a bypass section are already known. To prevent flow detachment at the side walls of the bypass section, it is proposed that a flow guide wall running substantially parallel to the side wall provided with the separation opening of the bypass section be arranged in the conduit member behind the separation opening, as viewed in the main flow direction; the length dimension b of the flow guide wall, as viewed in the main flow direction, being equal to or greater than the distance a of the separation opening from the rear wall; and the distance c of the flow guide wall from the center axis of the conduit member being greater than or equal to the distance d of the side wall provided with the separation opening of the bypass section from the center axis.
    • 用于确定在导管中流动的介质的至少一个参数的装置,特别是用于确定包括导管构件和具有旁路部分的传感器装置的内燃机的进气道中的空气质量流量是已知的。 为了防止在旁路部分的侧壁处的流动分离,建议在分离开口后面的导管构件中布置大致平行于设置有旁通部分的分离开口的侧壁延伸的导流壁,如图所示 在主流方向; 在主流动方向观察时,导流壁的长度尺寸b等于或大于分隔开口与后壁的距离a; 并且导流壁距管道构件的中心轴线的距离c大于或等于设置有旁通区段的分离开口的侧壁距离中心轴线的距离d。
    • 67. 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
    • US20070062275A1
    • 2007-03-22
    • US10562784
    • 2004-07-06
    • Hans BeyrichUwe KonzelmannChristoph GmelinOliver Hennig
    • Hans BeyrichUwe KonzelmannChristoph GmelinOliver Hennig
    • G01F1/68
    • G01F1/6842G01F5/00G01F15/12
    • A device for determining at least one parameter of a medium flowing in a line, in particular for determining the air mass flow rate in the intake manifold of an internal combustion engine, which include a line component 3 and a sensor device 1 having a bypass part 6, are known. To prevent separation of the flow at the sidewalls of the bypass part, it is provided that a flow diversion element 2 be positioned in the line component 3 upstream from the bypass part 6 with respect to the main flow direction 18 and have at least one diversion surface 20 facing the main flow direction 18, which, starting from an apex line 25 located at a distance from the bypass part 6, curves evenly on both sides toward the two sidewalls 16, 17 so that the ends 38 of the diversion surface 20 facing away from the apex line are aligned with the sidewalls 16, 17.
    • 一种用于确定在线中流动的介质的至少一个参数的装置,特别是用于确定内燃机的进气歧管中的空气质量流量,其包括线路部件3和具有旁路部分的传感器装置1 6,已知。 为了防止在旁路部分的侧壁处的流动分离,提供了分流元件2相对于主流动方向18定位在旁路部分6上游的管线部件3中,并且具有至少一个转向 面向主流动方向18的表面20,其从位于距离旁路部分6一定距离处的顶点线25开始,在两侧均匀地朝向两个侧壁16,17弯曲,使得转向表面20的端部38面向 远离顶点线与侧壁16,17对齐。
    • 68. 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。
    • 69. 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。