Flow guide element for guiding the flow of a fluid medium
    41.
    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
    42.
    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
    43.
    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。

    Device for determining at least one parameter of a medium flowing in a line
    44.
    发明申请
    Device for determining at least one parameter of a medium flowing in a line 有权
    用于确定在一行中流动的介质的至少一个参数的装置

    公开(公告)号:US20070163338A1

    公开(公告)日:2007-07-19

    申请号:US10552865

    申请日:2004-02-11

    IPC分类号: G01M19/00 G01F1/37 G01P5/00

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

    摘要: 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.

    摘要翻译: 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。

    Device for determining at least one parameter of a medium flowing in a line
    45.
    发明申请
    Device for determining at least one parameter of a medium flowing in a line 有权
    用于确定在一行中流动的介质的至少一个参数的装置

    公开(公告)号:US20050217357A1

    公开(公告)日:2005-10-06

    申请号:US10511839

    申请日:2003-04-09

    IPC分类号: G01F1/684 G01P5/00

    CPC分类号: G01F1/6842

    摘要: A device for determining at least one parameter of a medium flowing in a line, particularly the intake air mass of an internal combustion engine, having one part which has at least one measuring channel for conducting at least one partial flow of the medium flowing in the line in a main flow direction and which can be inserted into the line with a predetermined alignment with respect to the main flow direction, and having at least one measuring element situated in the measuring channel for determining the at least one parameter. In the part, a channel structure is formed, having an input region for the entry of a partial flow of the medium and having a measuring channel branching off from the input region. The input region has a separation zone with a separation opening, and at least two projections which protrude from mutually opposite interior walls of the input region into the input region.

    摘要翻译: 一种用于确定在一条管线中流动的介质,特别是内燃机的进气质量的至少一个参数的装置,该装置具有一部分,该部分具有至少一个测量通道,用于使至少一个在 在主流动方向上行,并且可以相对于主流动方向以预定的对准方式插入到管线中,并且具有位于测量通道中的至少一个测量元件,用于确定至少一个参数。 在该部分中,形成通道结构,其具有用于输入介质的部分流的输入区域,并具有从输入区域分支的测量通道。 输入区域具有带有分隔开口的分隔区和从输入区域的相互相对的内壁突出到输入区域中的至少两个突起。

    Flow sensor having improved operational performance
    46.
    发明申请
    Flow sensor having improved operational performance 审中-公开
    流量传感器具有改进的操作性能

    公开(公告)号:US20050000281A1

    公开(公告)日:2005-01-06

    申请号:US10840034

    申请日:2004-05-04

    CPC分类号: G01F1/699 G01F1/6845

    摘要: A flow sensor in which all bridge resistor elements of a bridge circuit are arranged on a chip together with a heating resistor element, so that the drift of the bridge resistor elements will then have only a very slight effect on the output signal of the bridge circuit, which may be picked off at the electrical connections.

    摘要翻译: 一个流量传感器,其中桥式电路的所有桥式电阻元件与加热电阻元件一起布置在芯片上,使得桥式电阻元件的漂移对桥式电路的输出信号将产生非常轻微的影响 ,其可以在电连接处被拾取。

    Fiber-optic pressure sensor
    47.
    发明授权
    Fiber-optic pressure sensor 失效
    光纤压力传感器

    公开(公告)号:US06820488B2

    公开(公告)日:2004-11-23

    申请号:US10459362

    申请日:2003-06-10

    IPC分类号: G01L900

    CPC分类号: G01L9/0077

    摘要: A fiber-optic pressure sensor having a pressure measuring head including a housing which accommodates a diaphragm functioning as a pressure transducer and completing a translational movement under applied pressure and including at least one optical waveguide, the face of which is directed to the inside surface of the diaphragm and via which the light emitted by a light source is introduced into the pressure measuring head, the inside diaphragm surface having a pattern of highly reflective areas and areas of low reflectivity.

    摘要翻译: 一种光纤压力传感器,其具有压力测量头,该压力测量头包括壳体,所述壳体容纳用作压力换能器的膜片,并在施加的压力下完成平移运动,并且包括至少一个光波导,所述至少一个光波导面朝向 由光源发出的光被引入压力测量头,光阑表面具有高反射区域和低反射率区域的图案。

    Vibration pickup with pressure sleeve
    48.
    发明授权
    Vibration pickup with pressure sleeve 失效
    带压力套筒的振动拾取器

    公开(公告)号:US06647760B2

    公开(公告)日:2003-11-18

    申请号:US09788962

    申请日:2001-02-20

    IPC分类号: G01L2322

    CPC分类号: G01L23/222

    摘要: A vibration pickup has a pressure sleeve which is placeable on a component causing vibrations, a sensor element which detects the vibration, a seismic mass which is placeable outside of the sleeve on a support surface of the sensor element with an axial pretensioning, so that the sensor element is held between the seismic mass and a flange-like segment of the pressure sleeve, the seismic mass and the pressure sleeve being formed as a one-piece integral component.

    摘要翻译: 振动拾取器具有压力套筒,其可放置在引起振动的部件上,检测振动的传感器元件,具有轴向预张紧的可在套筒外部放置在传感器元件的支撑表面上的抗震质量, 传感器元件被保持在地震质量块和压力套筒的法兰状段之间,地震质量块和压力套筒形成为一体的整体部件。

    Device for measuring the mass of a flowing medium

    公开(公告)号:US06422070B1

    公开(公告)日:2002-07-23

    申请号:US09866721

    申请日:2001-05-30

    IPC分类号: G01F168

    摘要: Devices for measuring the mass of a flowing medium using a temperature-sensitive measuring element have the disadvantage that considerable measuring errors may occur in the event of a pulsating flow characterized by flow fluctuations. In order to counteract these measuring errors, the device (1) possesses an axially extending measuring duct (33), in which a temperature-sensitive measuring element (20) is accommodated. The measuring duct (33) extends from the inlet mouth (36) to a deflecting duct (34), out of which the flowing medium flows out from an outlet orifice (46) without any axial distance from the inlet mouth (36) and radially underneath the latter. The invention is provided for measuring the mass of a flowing medium, in particular for measuring the intake air mass of internal combustion engines.