Ultrasonic flow measuring device having a concave reflective surface that cancels dispersion and method for ascertaining flow velocity, respectively volume flow, of a fluid
    32.
    发明授权
    Ultrasonic flow measuring device having a concave reflective surface that cancels dispersion and method for ascertaining flow velocity, respectively volume flow, of a fluid 有权
    超声波流量测量装置具有消除分散的凹面反射面和用于确定流体的流速(分别为体积流量)的方法

    公开(公告)号:US09335193B2

    公开(公告)日:2016-05-10

    申请号:US14377033

    申请日:2013-01-29

    CPC classification number: G01F1/662 G01F1/667

    Abstract: An ultrasonic flow measurement device for ascertaining flow velocity, respectively volume flow, of a fluid, especially a gas or a liquid, using a travel-time difference method, comprising: a measuring tube having a straight measuring tube axis; at least one transmitter for transmitting an acoustic signal; at least one receiver for receiving the acoustic signal; and at least one reflection surface for reflecting the acoustic signal. The transmitter and the receiver are arranged on the tube wall of the measuring tube in such a manner that they can transmit the acoustic signal inclined or perpendicularly to the flow direction of the fluid, wherein at least one reflection surface is embodied concavely in a preferential direction; and a method for ascertaining flow velocity, respectively volume flow, of a fluid.

    Abstract translation: 一种用于使用行程时差法确定流体,特别是气体或液体的流速的体积流量的超声流量测量装置,包括:具有直的测量管轴线的测量管; 用于发送声信号的至少一个发射机; 用于接收声信号的至少一个接收器; 以及用于反射声信号的至少一个反射面。 发射器和接收器以这样的方式布置在测量管的管壁上,使得它们可以将声信号倾斜或垂直于流体的流动方向传播,其中至少一个反射表面以优先方向凹入地形成 ; 以及用于确定流体的流速(分别是体积流量)的方法。

    Messanordnung mit einem Trägerelement und einem Sensor
    33.
    发明申请
    Messanordnung mit einem Trägerelement und einem Sensor 审中-公开
    Messanordnung mit einemTrägerelementund einem Sensor

    公开(公告)号:US20160061639A1

    公开(公告)日:2016-03-03

    申请号:US14652818

    申请日:2013-10-16

    CPC classification number: G01D11/30 B01L3/502715 G01F15/14 G01N33/0009

    Abstract: A measuring arrangement comprising: a support element having a longitudinal axis, wherein a sensor is arranged on the support element for ascertaining a process variable of a gaseous or liquid fluid; and the sensor, wherein the sensor has a fluid duct, and wherein the support element has a fluid duct. The characterized in that the support element has for connection of the fluid duct of the support element with the fluid duct of the sensor at least one connection element, which extends perpendicular to the longitudinal axis of the support element and into the fluid duct of the sensor.

    Abstract translation: 一种测量装置,包括:具有纵向轴线的支撑元件,其中传感器布置在所述支撑元件上,用于确定气态或液态流体的过程变量; 和所述传感器,其中所述传感器具有流体管道,并且其中所述支撑元件具有流体管道。 其特征在于,支撑元件用于将支撑元件的流体管道与传感器的流体管道连接至少一个连接元件,该连接元件垂直于支撑元件的纵向轴线延伸到传感器的流体管道中 。

    FLOW MEASURING DEVICE, AS WELL AS USE OF SUCH DEVICE AND METHOD FOR ASCERTAINING FLOW VELOCITY
    34.
    发明申请
    FLOW MEASURING DEVICE, AS WELL AS USE OF SUCH DEVICE AND METHOD FOR ASCERTAINING FLOW VELOCITY 审中-公开
    流量测量装置,以及这样的装置的使用以及用于消除流动速度的方法

    公开(公告)号:US20150377691A1

    公开(公告)日:2015-12-31

    申请号:US14432221

    申请日:2013-09-19

    CPC classification number: G01F25/0053 G01F1/66 G01F1/692 G01F1/7082 G01F7/00

    Abstract: A flow measuring device for ascertaining a corrected measured value of a flow velocity and/or a corrected mass flow of a medium, especially a gas, in a measuring tube, including: an apparatus for ascertaining a first measured value of flow velocity and/or mass flow of the medium by thermal, mass flow measurement; an apparatus for ascertaining velocity of sound and/or frequency dependent damping of an acoustic signal, especially an ultrasonic signal, in the medium and/or an apparatus for ascertaining an optical, wavelength dependent absorption of an optical and/or excited fluorescence of the medium, and an evaluation unit for correcting the ascertained first measured value of mass flow or flow velocity based on the ascertained sound velocity values and/or the frequency dependent, ascertained damping values of the acoustic signal and/or the ascertained absorption values of the optical signal and/or the florescence values of the medium, and method for ascertaining a corrected measured value of flow velocity and/or mass flow, and use of the device and method.

    Abstract translation: 一种用于确定测量管中的介质,特别是气体的流速和/或校正质量流的校正测量值的流量测量装置,包括:用于确定流速的第一测量值和/或 通过热质量流量测量介质的质量流量; 用于确定介质中的声信号,特别是超声波信号的声速和/或频率相关阻尼的装置和/或用于确定介质的光学和/或激发荧光的光学,波长依赖性吸收的装置 以及评估单元,用于基于所确定的声速值和/或频率依赖确定的声信号的阻尼值和/或所确定的光信号吸收值来校正所确定的质量流量或流速的第一测量值 和/或介质的荧光值,以及用于确定校正的流速和/或质量流量的测量值的方法以及该装置和方法的使用。

    Sensor and Flow Measuring Device
    35.
    发明申请
    Sensor and Flow Measuring Device 有权
    传感器和流量测量装置

    公开(公告)号:US20150292928A1

    公开(公告)日:2015-10-15

    申请号:US14442801

    申请日:2013-10-28

    CPC classification number: G01F1/6842 G01F1/684 G01F1/69

    Abstract: A sensor of a thermal flow measuring device, as well as the flow measuring device itself. The sensor comprises a sensor platform, which bears at least one measuring sensor element and a heated sensor element. Each of the at least two sensor elements is surrounded by a metal sleeve, which protrudes from the sensor platform. The sensor has a plate-shaped element, which defines a plane, whose axis extends parallel to the axis of at least one of the metal sleeves, wherein the plane is spaced from the sensor platform in the axial direction of the metal sleeve. The metal sleeve with the heated sensor element has a terminal end face and the plate-shaped element is provided along the end face of the metal sleeve with the heated sensor element for flow guidance. At least 50% of the heating power required for the heated sensor element is given off as heat energy via the metal sleeve to a medium in a region, which is formed by the terminal end face and a sleeve wall section, which starting from the end face lies in the first third of the metal sleeve.

    Abstract translation: 热流量测量装置的传感器,以及流量测量装置本身。 传感器包括传感器平台,该传感器平台承载至少一个测量传感器元件和加热的传感器元件。 至少两个传感器元件中的每一个被从传感器平台突出的金属套筒包围。 传感器具有限定平面的平板形元件,该平面的轴线平行于至少一个金属套筒的轴线延伸,其中平面在金属套筒的轴向方向上与传感器平台间隔开。 具有加热的传感器元件的金属套筒具有端子端面,并且板状元件沿着金属套筒的端面设置有用于引导的加热的传感器元件。 加热的传感器元件所需的加热功率的至少50%作为热能经由金属套筒被释放到由端部端部和套筒壁部分形成的区域中的介质,该端部从端部开始 面孔位于金属套筒的前三分之一处。

    Ultrasonic, Flow Measuring Device
    36.
    发明申请
    Ultrasonic, Flow Measuring Device 有权
    超声波,流量测量装置

    公开(公告)号:US20150204704A1

    公开(公告)日:2015-07-23

    申请号:US14414813

    申请日:2013-06-07

    CPC classification number: G01F1/66 G01F1/662 G01F1/667

    Abstract: An ultrasonic, flow measuring device, comprising a measuring tube, a transmitter for sending an acoustic signal, a receiver for receiving the acoustic signal and a number of reflection surfaces, on which the acoustic signal is reflected. A first signal path is composed of straight subsections, wherein a) minimum separations of at least three subsections from the measuring tube axis lie in the range 0.4-0.6 r, wherein r is the inner radius of the measuring tube; b) a first subsection, which defines a first axially parallel plane, has a directly corresponding second subsection, which defines a second axially parallel plane, which two planes extend through a reflection surface and the normal vectors enclose an angle of less than 10°, c) a third subsection, which defines a third axially parallel plane, has a directly corresponding fourth subsection, which defines a fourth axially parallel plane, wherein the two planes extend through a second reflection surface and the normal vectors enclose an angle of less than 10°; and d) the signal path describes in axial plan view a polygon, whose lateral points of intersection lie within, on or outside of the measuring tube.

    Abstract translation: 一种超声波流量测量装置,包括测量管,用于发送声信号的发射器,用于接收声信号的接收器和反射表面的多个反射面。 第一信号路径由直线部分组成,其中a)至少三个子部分与测量管轴的最小间隔在0.4-0.6r的范围内,其中r是测量管的内半径; b)限定第一轴向平行平面的第一部分具有直接对应的第二子部分,其限定第二轴向平行平面,该两个平面延伸穿过反射表面,并且法向矢量包围小于10°的角度, c)限定第三轴向平行平面的第三子部分具有直接对应的第四子部分,其限定第四轴向平行平面,其中两个平面延伸穿过第二反射表面,并且法向矢量包围小于10°的角度 °; 和d)信号路径在轴向平面图中描述了一个多边形,其多边形的横向点位于测量管的内部或外部。

    Clamp-on ultrasonic flowmeter and method for adjusting transducer elements using an adjusting device having at least two degrees of freedom

    公开(公告)号:US11448538B2

    公开(公告)日:2022-09-20

    申请号:US16956503

    申请日:2018-11-14

    Abstract: A clamp-on ultrasonic flowmeter includes a measuring tube, a pair of ultrasonic contact transducers, and an electronic measuring/operating circuit for operating the transducers. Each transducer includes a transducer element for generating and detecting ultrasonic signals and a coupling element. The transducer element is located on one side of the coupling element facing away from the measuring tube, and is designed to be acoustically coupled to the measuring tube via another side of the coupling element facing the measuring tube, and designed to transmit ultrasonic signals between the transducer element and measuring tube. The ultrasonic flowmeter comprises an adjusting device for at least one transducer for adjusting the transducer. The adjusting device is arranged and configured to modify at least one angle of the signal path with respect to the coupling face or a signal path length, wherein the adjusting device has at least two degrees of freedom.

    Vibratory measuring device having a measuring tube

    公开(公告)号:US11226222B2

    公开(公告)日:2022-01-18

    申请号:US16958942

    申请日:2018-12-17

    Abstract: A vibratory measuring device for determining a mass flow rate or a density of a medium includes: a vibratory measuring tube which is curved when in a rest position; a support body; a first bearing body; a second bearing body; two exciter units and two sensor units; and a circuit. The bearing bodies are connected to the support body such that flexural vibration modes of the measuring tube have vibration nodes on the bearing bodies, wherein the exciter units are configured to excite flexural vibrations of the measuring tube, wherein the sensor units are each configured to detect flexural vibrations of the measuring tube both in and perpendicular to the plane and to output vibration-dependent sensor signals, wherein the circuit is configured to output excitation signals to the excitation units for the selective excitation of flexural vibration modes and to receive the sensor signals of the sensor units.

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