Measurement device for measuring the mass of a medium flowing in a line
    51.
    发明授权
    Measurement device for measuring the mass of a medium flowing in a line 有权
    用于测量在一行中流动的介质的质量的测量装置

    公开(公告)号:US06298720B1

    公开(公告)日:2001-10-09

    申请号:US09284603

    申请日:1999-05-28

    IPC分类号: G01F168

    CPC分类号: G01F15/12 G01F1/6842 G01F5/00

    摘要: A measurement device for measuring the mass of a medium flowing in a line along a line longitudinal axis, in particular the intake air mass of an internal combustion engine. The measuring device has a measuring element around which the flowing medium circulates around. The measuring element is disposed in a measurement conduit that is provided in the line and extends along a measurement conduit longitudinal axis from an inlet opening to a deflection conduit. The deflection conduit leads to an outlet opening that feeds back into the line. The measurement conduit longitudinal axis is inclined in relation to the line longitudinal axis by a predetermined angle (&agr;) so that the measurement conduit has a screened region that is disposed outside the parallel projection of the inlet opening along the line longitudinal axis. The measuring element is disposed in the screened region of the measurement conduit.

    摘要翻译: 一种测量装置,用于测量在沿着纵向轴线的线中流动的介质的质量,特别是内燃机的进气质量。 测量装置具有流动介质周围循环的测量元件。 测量元件设置在测量导管中,测量导管设置在管线中,并且沿着测量管道纵向轴线从入口开口延伸到偏转导管。 偏转导管通向反馈回线路的出口。 测量管道纵向轴线相对于纵向轴线倾斜预定角度(α),使得测量导管具有沿着纵向轴线设置在入口开口的平行突出部外侧的屏蔽区域。 测量元件设置在测量导管的屏蔽区域中。

    Measuring element
    53.
    发明授权
    Measuring element 失效
    测量元件

    公开(公告)号:US5375466A

    公开(公告)日:1994-12-27

    申请号:US207452

    申请日:1994-03-07

    申请人: Uwe Konzelmann

    发明人: Uwe Konzelmann

    摘要: An apparatus for determining the flow rate of a flowing medium in the presence of pulsating flows and/or backflows, having a substrate as a carrier and a resistor arrangement located on the substrate for sensing medium flows. The resistor arrangement includes a temperature-sensitive resistor (R.sub.s), a heating resistor (R.sub.h), and compensation (R.sub.k) and bridge resistors (R.sub.1, R.sub.2, R.sub.3), which are arranged to create a feedback circuit that establishes a constant temperature environment, allowing electrical measurement of the flow mass. The substrate includes a fixed portion at one end, and two unfixed legs at the other end, the two legs divided by a notch. The width of each of the first leg and the notch is from 30 to 50 percent of the total width of the substrate, while the width of the second leg is at least 10 percent of the total width of the substrate. Such a relationship between the widths of the legs and notch avoids measuring discrepancies due to flow pulsations and/or backflows over the boundary surfaces of the sensing element.

    摘要翻译: 一种用于在存在脉动流和/或回流的情况下确定流动介质的流量的装置,其具有作为载体的基板和位于基板上的用于感测介质流的电阻器布置。 电阻器配置包括一个温度敏感电阻(Rs),一个加热电阻(Rh)和补偿(Rk)和桥接电阻(R1,R2,R3),它们被设置成产生一个建立恒温环境的反馈电路 ,允许电流测量流量。 基片在一端包括一个固定部分,另一端包括两个不固定的腿,两条腿分开一个凹口。 第一支腿和凹口中的每一个的宽度是基板总宽度的30%至50%,而第二支腿的宽度至少为基板总宽度的10%。 腿和切口的宽度之间的这种关系避免了由于在感测元件的边界表面上的流动脉动和/或回流引起的测量差异。

    Plug-in sensor having an optimized flow outlet
    54.
    发明授权
    Plug-in sensor having an optimized flow outlet 有权
    插入式传感器具有优化的流出口

    公开(公告)号:US08418548B2

    公开(公告)日:2013-04-16

    申请号:US12308490

    申请日:2007-09-12

    IPC分类号: G01F1/68 G01M15/00

    CPC分类号: G01F1/6842

    摘要: 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.

    摘要翻译: 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。

    FLOWMETER FOR DETECTING A PROPERTY OF A FLUID MEDIUM
    55.
    发明申请
    FLOWMETER FOR DETECTING A PROPERTY OF A FLUID MEDIUM 审中-公开
    用于检测流体介质属性的流量计

    公开(公告)号:US20120055263A1

    公开(公告)日:2012-03-08

    申请号:US13226203

    申请日:2011-09-06

    申请人: Uwe Konzelmann

    发明人: Uwe Konzelmann

    IPC分类号: G01F1/66 G01F1/34

    摘要: A flowmeter for detecting at least one property of a fluid medium flowing through a flow tube, in particular a flow property, is described. The flowmeter has at least one ultrasonic sensor for detecting at least one first flow property of the fluid medium. In addition, the flowmeter has at least one differential pressure sensor for detecting at least one second flow property of the fluid medium.

    摘要翻译: 描述了用于检测流过流管的流体介质的至少一种性质的流量计,特别是流动特性。 流量计具有至少一个用于检测流体介质的至少一个第一流动特性的超声波传感器。 此外,流量计具有至少一个压差传感器,用于检测流体介质的至少一个第二流动特性。

    Sensor system for determining a parameter of a fluid medium
    56.
    发明授权
    Sensor system for determining a parameter of a fluid medium 有权
    用于确定流体介质参数的传感器系统

    公开(公告)号:US07980125B2

    公开(公告)日:2011-07-19

    申请号:US12734686

    申请日:2008-10-20

    IPC分类号: G01F1/68

    CPC分类号: G01F1/6842 F15D1/001 F15D1/02

    摘要: A sensor system for determining at least one parameter of a fluid medium flowing in a main flow direction has at least one sensor situated in the fluid medium, for determining the parameter of the fluid medium, and at least one grating situated transversely to the main flow direction and having at least one crosstie, the crosstie having a crosstie depth directed essentially in the main flow direction. The crosstie has at least one recess, the crosstie depth being reduced in the recess.

    摘要翻译: 用于确定在主流动方向上流动的流体介质的至少一个参数的传感器系统具有位于流体介质中的至少一个传感器,用于确定流体介质的参数,以及至少一个横向于主流的光栅 方向并且具有至少一个交叉点,该交叉点具有基本上在主流动方向上引导的交叉深度。 该十字架具有至少一个凹部,该凹槽中的交叉深度减小。

    Flow guide element for guiding the flow of a fluid medium
    57.
    发明申请
    Flow guide element for guiding the flow of a fluid medium 有权
    导流元件,用于引导流体介质的流动

    公开(公告)号:US20080283014A1

    公开(公告)日:2008-11-20

    申请号:US12152494

    申请日:2008-05-14

    IPC分类号: F02M35/10

    摘要: A flow guide element is provided for guiding a flow of a fluid medium which is particularly suitable for use in an intake tract of an internal combustion engine. The flow guide element includes a flow tube having an elbow for diverting the flow. In the region of the elbow there is situated, in this case, at least one flow baffle having at least one deflector. The deflector is penetrated by an opening, going right through the flow baffle, in at least one area.

    摘要翻译: 提供了一种引导元件,用于引导特别适用于内燃机进气道的流体介质的流动。 导流元件包括具有用于转向流动的弯头的流管。 在肘部的区域中,在这种情况下,至少有一个具有至少一个偏转器的流动挡板。 在至少一个区域中,偏转器穿过通过流动挡板的开口穿过。

    Ultrasonic flow meter including turbulators
    58.
    发明授权
    Ultrasonic flow meter including turbulators 失效
    超声波流量计包括湍流器

    公开(公告)号:US07380470B2

    公开(公告)日:2008-06-03

    申请号:US11304906

    申请日:2005-12-14

    IPC分类号: G01F1/66

    CPC分类号: G01F1/662 G01F15/00

    摘要: 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.

    摘要翻译: 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。

    Fluid sensor including an error detection device
    59.
    发明申请
    Fluid sensor including an error detection device 有权
    流体传感器包括错误检测装置

    公开(公告)号:US20070289356A1

    公开(公告)日:2007-12-20

    申请号:US11715573

    申请日:2007-03-07

    IPC分类号: G01N27/04

    CPC分类号: G01N25/18

    摘要: A fluid sensor may be used for detecting fluid media, in particular hydrogen. The fluid sensor includes a sensor chip having a chip surface, which has a measuring surface and a body surface. Printed conductors of a central sensor circuit having at least one heating element and at least one temperature sensor are provided on the measuring surface. Furthermore, the fluid sensor has one additional fracture detection element and one fracture detection circuit situated on the sensor chip. The fracture detection circuit is designed for detecting fractures and/or cracks in and/or on the sensor chip, in particular in the area of a boundary between the measuring surface and body surface.

    摘要翻译: 流体传感器可以用于检测流体介质,特别是氢。 流体传感器包括具有芯片表面的传感器芯片,该芯片表面具有测量表面和体表面。 具有至少一个加热元件和至少一个温度传感器的中央传感器电路的印刷导体设置在测量表面上。 此外,流体传感器具有一个额外的断裂检测元件和位于传感器芯片上的一个断裂检测电路。 断裂检测电路设计用于检测传感器芯片中和/或上的裂缝和/或裂纹,特别是在测量表面和体表之间的边界区域中。

    Airflow meter with device for the separation of foreign particles
    60.
    发明授权
    Airflow meter with device for the separation of foreign particles 有权
    具有用于分离外来颗粒的装置的气流计

    公开(公告)号:US07260986B2

    公开(公告)日:2007-08-28

    申请号:US10528898

    申请日:2003-05-23

    IPC分类号: G01F1/68

    CPC分类号: G01F1/6842 G01F5/00 G01F15/12

    摘要: A device is provided for determining at least one parameter of a medium flowing in a line in a main flow direction, e.g., a parameter of the intake air mass of an internal combustion engine. The device includes a part, which is inserted into the line at a predetermined alignment with respect to the main flow direction in such a way that a partial flow of the medium flowing in the line in the main flow direction flows through at least one measuring channel provided in the part in a first direction from an intake of the measuring channel to an outlet of the measuring channel. The device further includes a measuring element situated in the measuring channel for determining the at least one parameter. Between its intake and its outlet, the measuring channel features at least one channel segment in which a mechanism is located that causes flow vortices in this channel segment, whereby liquid droplets and solid particles are advantageously deposited on the inner wall of the channel before they can reach the measuring element.

    摘要翻译: 提供了一种装置,用于确定在主流动方向(例如内燃机的进气体的参数)中在一行中流动的介质的至少一个参数。 该装置包括以相对于主流动方向以预定对准的方式插入到管线中的部分,使得在主流动方向上在管线中流动的介质的部分流动流过至少一个测量通道 在第一方向上从测量通道的入口到测量通道的出口设置在该部分中。 该装置还包括位于测量通道中的用于确定至少一个参数的测量元件。 在其入口和出口之间,测量通道具有至少一个通道段,在该通道段中定位有在该通道段中引起流动涡旋的机构,由此液滴和固体颗粒有利地沉积在通道的内壁上, 到达测量元件。