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1. 发明授权

US06401548B1 Coriolis mass flow/density sensor 有权
标题翻译：科里奥利质量流量/密度传感器
公开(公告)号：US06401548B1
公开(公告)日：2002-06-11
申请号：US09414268
申请日：1999-10-07
申请人： Wolfgang Drahm , Georg Szaloky , Alfred Wenger , Ennio Bitto , Ole Koudal , Christian Matt , Christian Schütze
发明人： Wolfgang Drahm , Georg Szaloky , Alfred Wenger , Ennio Bitto , Ole Koudal , Christian Matt , Christian Schütze
IPC分类号： G01F184
CPC分类号： G01F1/8409 , G01F1/8418 , G01F1/849 , G01N9/002 , G01N11/162
摘要： A Coriolis mass flow/density sensor which can be installed in a pipe and through which a fluid to be measured flows during operation is balanced over a wide density range so that accurate measurements are possible. The Coriolis mass flow/density sensor includes a measuring tube, an excitation arrangement for exciting the measuring tube to vibrate in a second fundamental flexural mode of vibration; and a counterbalance member attached to the measuring tube which counterbalances the vibration of the measuring tube. A cantilever can be attached to the measuring tube midway between the inlet end and the outlet end of the measuring tube. First and second sensors sense the measuring tube vibration on the inlet and outlet sides of the measuring tube, respectively.
摘要翻译：科里奥利质量流量/密度传感器可以安装在管道中，待测量的流体在运行期间流动，在宽的密度范围内平衡，从而可以进行精确的测量。科里奥利质量流量/密度传感器包括测量管，激励装置，用于激励测量管以第二基本弯曲振动模式振动; 以及附接到测量管的平衡构件，其抵消测量管的振动。悬臂可以在测量管的入口端和出口端之间的中间连接到测量管。第一和第二传感器分别感测测量管的入口侧和出口侧的测量管振动。

2. 发明授权

US06223605B1 Coriolis-type mass flow sensor with a single measuring tube 失效
标题翻译：具有单个测量管的科里奥利型质量流量传感器
公开(公告)号：US06223605B1
公开(公告)日：2001-05-01
申请号：US09039718
申请日：1998-03-16
申请人： Ole Koudal , Alfred Wenger
发明人： Ole Koudal , Alfred Wenger
IPC分类号： G01F184
CPC分类号： G01F1/8409 , G01F1/8413 , G01F1/8472
摘要： A Coriolis-type mass flow sensor (1) is disclosed which is as insusceptible to external disturbances as possible and which can be installed in a conduit and, during operation, is traversed by a fluid to be measured. The conduit is connected via a fluid inlet (113) and a fluid outlet (114) with a casing (11) in which a rigid support base (12) is disposed. The support base (12) is connected with the casing via at least one mechanical damping element (13, 14, 20). A measuring tube (15) traversed by the fluid ends in the fluid inlet and the fluid outlet. A portion (151) of the measuring tube which is to be set into vibration is attached to the support base by an inlet-side fixing means (121) and an outlet-side fixing means (122). An inlet-side connecting portion (152) of the measuring tube extends from the inlet-side fixing means (121) to the fluid inlet (113), and an outlet-side connecting portion (153) extends from the outlet-side fixing means (122) to the fluid outlet (114). A vibrator assembly (16) for vibrating the tube portion (151) acts between the casing (11) and the support base (12). Two vibration sensing elements (17, 18) mounted partly on the tube portion (151) are disposed near the inlet-side fixing means (121) and near the outlet-side fixing means (122), respectively.
摘要翻译：公开了一种科里奥利型质量流量传感器（1），其对于外部干扰是不可接受的，并且可以安装在管道中，并且在操作期间被被测量的流体穿过。导管经由流体入口（113）和流体出口（114）与其中设置有刚性支撑基座（12）的壳体（11）连接。支撑基座（12）经由至少一个机械阻尼元件（13,14,20）与壳体连接。由流体端流入流体入口和流体出口的测量管（15）。要设置为振动的测量管的一部分（151）通过入口侧固定装置（121）和出口侧固定装置（122）附接到支撑基座。测量管的入口侧连接部分（152）从入口侧固定装置（121）延伸到流体入口（113），出口侧连接部分（153）从出口侧固定装置（122）连接到流体出口（114）。用于振动管部分（151）的振动器组件（16）作用在壳体（11）和支撑基座（12）之间。部分地安装在管部分151上的两个振动检测元件17,18分别设置在入口侧固定装置121的附近和出口侧固定装置122的附近。

3. 发明授权

US6006609A Coriolis mass flow/density sensor with a single straight measuring tube 失效
标题翻译：科里奥利质量流量/密度传感器，带一根直的测量管
公开(公告)号：US6006609A
公开(公告)日：1999-12-28
申请号：US940644
申请日：1997-09-30
申请人： Wolfgang Drahm , Georg Szaloky , Alfred Wenger , Ennio Bitto , Ole Koudal , Christian Matt , Christian Schutze
发明人： Wolfgang Drahm , Georg Szaloky , Alfred Wenger , Ennio Bitto , Ole Koudal , Christian Matt , Christian Schutze
IPC分类号： G01F1/84 , G01N9/00 , G01N11/16
CPC分类号： G01F1/8409 , G01F1/8418 , G01F1/849 , G01N11/162 , G01N9/002
摘要： This mass flow/density sensor (10), which can be installed in a pipe and through which a fluid to be measured flows during operation, is to be balanced over a wide density range, so that accurate measurements are possible. A single straight measuring tube (13) having a longitudinal axis (131) extends between its inlet end (11) and the outlet end (12) and is fixed to a support, e.g., a cylindrical tube (14, 14'). The support has a longitudinal centroidal line (141) which is parallel to, but does not coincide with, the longitudinal axis (131) of the measuring tube. A cantilever (15) is fixed to the measuring tube (13) midway between the inlet and outlet ends (11, 12) and in operation causes the measuring tube to vibrate either in a first fundamental flexural mode or in a second fundamental flexural mode having a higher frequency than this first mode. An excitation arrangement (16) disposed midway between the end pieces excites the measuring tube (13) in the second mode. Sensors (17, 18) for the motions of the measuring tube on the inlet and outlet side are positioned between the middle of the tube and the inlet and outlet ends, respectively. The support may be provided with a counterbalance. Because of the torsional vibrations exerted by the cantilever on the measuring tube, the sensor is also well suited for measuring the viscosity of the fluid.
摘要翻译：这种质量流量/密度传感器（10）可以在宽的密度范围内平衡，可以安装在管道中，待测量的流体在运行过程中流动，从而可以进行精确的测量。具有纵向轴线（131）的单个直的测量管（13）在其入口端（11）和出口端（12）之间延伸并且被固定到诸如圆柱形管（14,14'）的支撑件上。支撑件具有与测量管的纵向轴线（131）平行但不一致的纵向重心线（141）。悬臂（15）在入口端和出口端（11,12）之间的中途固定到测量管（13），并且在操作中使测量管以第一基本弯曲模式或第二基本弯曲模式振动，比第一模式高的频率。设置在端片之间的中间的激励装置（16）在第二模式下激发测量管（13）。用于入口和出口侧的测量管的运动的传感器（17,18）分别位于管的中间和入口端和出口端之间。支撑件可以设置有平衡。由于悬臂在测量管上施加的扭转振动，传感器也非常适合测量流体的粘度。

4. 发明授权

US5602345A Double straight tube coriolis type mass flow sensor 失效
标题翻译：双直管科里奥利型质量流量传感器
公开(公告)号：US5602345A
公开(公告)日：1997-02-11
申请号：US434016
申请日：1995-05-03
申请人： Alfred Wenger , Gerhard Eckert , Rainer Lorenz , Ennio Bitto , Patrick Fleury , Ole Koudal
发明人： Alfred Wenger , Gerhard Eckert , Rainer Lorenz , Ennio Bitto , Patrick Fleury , Ole Koudal
IPC分类号： G01F1/84
CPC分类号： G01F15/024 , G01F1/8404 , G01F1/8409 , G01F1/8413 , G01F1/8422 , G01F1/8427 , G01F1/8495
摘要： This mass flow sensor, which can be installed in a fluid-carrying conduit of a given diameter so as to be axially aligned with the conduit, and whose production costs are drastically reduced, has an inlet tube and an outlet tube which serve to connect the mass flow sensor with the conduit, an inlet manifold and an outlet manifold, an external support tube whose end portions are fixed with their inside surfaces to the inlet manifold and outlet manifold, respectively, and with their faces to the inlet tube and outlet tube, respectively, two parallel, straight measuring tubes of the same inside diameter and the same wall thickness each having its two end portions fixed in parallel bores of the inlet manifold in alignment with the inlet tube and in parallel bores of the outlet manifold in alignment with the outlet tube, respectively, two node plates interconnecting the two measuring tubes near the inlet manifold and the outlet manifold, respectively, two vibration exciters, one per measuring tube, which excite the measuring tubes into oppositely directed resonance vibrations in only one plane of vibration, and a respective pair of spaced-apart electrodynamic sensors positioned along each of the measuring tubes for sensing the vibrations of the latter.
摘要翻译：该质量流量传感器可以安装在给定直径的流体输送导管中以便与导管轴向对准，并且其生产成本大大降低，具有入口管和出口管，其用于连接具有导管的质量流量传感器，入口歧管和出口歧管，其外部支撑管的端部分别被固定到入口歧管和出口歧管，并且其端面分别固定在入口管和出口管上，分别具有相同内径和相同壁厚的两个平行的直的测量管，每个具有两个端部固定在入口歧管的平行孔中，与入口管对准并且与出口歧管的平行孔对准出口管分别连接两个测量管，分别位于入口歧管和出口歧管附近，两个振动激励器，每个测量一个其将测量管激发到仅在一个振动平面中的相反方向的共振振动，以及沿着每个测量管定位的相应的一对隔开的电动传感器，用于感测后者的振动。

5. 发明授权

US06647807B2 Coriolis mass flow/density sensor with single straight measuring tube 有权
标题翻译：科里奥利质量流量/密度传感器，带单直管
公开(公告)号：US06647807B2
公开(公告)日：2003-11-18
申请号：US10135625
申请日：2002-04-30
申请人： Wolfgang Drahm , Georg Szaloky , Alfred Wenger , Ennio Bitto , Ole Koudal , Christian Matt , Christian Schütze
发明人： Wolfgang Drahm , Georg Szaloky , Alfred Wenger , Ennio Bitto , Ole Koudal , Christian Matt , Christian Schütze
IPC分类号： G01F184
CPC分类号： G01F1/8409 , G01F1/8418 , G01F1/849 , G01N9/002 , G01N11/162
摘要： A Coriolis mass flow/density sensor is provided. The sensor includes a measuring tube for conducting a fluid. The measuring tube is fixed in a support and may be coupled to a pipe via an inlet tube and an outlet tube. The sensor further includes an excitation arrangement for vibrating the measuring tube in a predetermined vibration mode, a sensor arrangement for detecting vibrations of the measuring tube, and a brake assembly coupled to the measuring tube and the support. The brake assembly is operable to suppress at least one mode of vibrations other than the predetermined vibration mode.
摘要翻译：提供科里奥利质量流量/密度传感器。传感器包括用于传导流体的测量管。测量管被固定在支撑件中，并且可以通过入口管和出口管与管连接。传感器还包括用于以预定振动模式振动测量管的激励装置，用于检测测量管的振动的传感器装置，以及耦合到测量管和支撑件的制动组件。制动组件可操作以抑制除了预定振动模式之外的至少一种振动模式。

6. 发明授权

US06360614B1 Method and corresponding sensors for measuring mass flow rate 失效
标题翻译：测量质量流量的方法和相应的传感器
公开(公告)号：US06360614B1
公开(公告)日：2002-03-26
申请号：US09283401
申请日：1999-04-01
申请人： Wolfgang Drahm , Alfred Rieder , Alfred Wenger , Ole Koudal
发明人： Wolfgang Drahm , Alfred Rieder , Alfred Wenger , Ole Koudal
IPC分类号： G01F184
CPC分类号： G01F1/8409 , G01F1/8413 , G01F1/8418 , G01F1/8422 , G01F1/849 , G01F1/8495
摘要： This method serves to apply the clamp-on design principle to Coriolis mass flow meters and sensors. A first isolating body (4, 4′) and a second isolating body (5, 5′) having identical masses are fixed to the outside of a pipe (1) or a measuring tube (1′, 10, 10′, 10″) at a predetermined distance L from each other to define a measuring length forming a pipe or tube section (11; 11′; 11″). These masses are substantially greater than the mass of the pipe or tube section. If two measuring tubes are present, clamping bodies (111, 112; 111′, 112′) are used. A vibration exciter (12) attached in the middle of the pipe or tube section excites the latter in a third mode of vibration at a frequency f between 500 Hz and 1000 Hz. The distance L is calculated by the following formula: L=5.5·2½·(2&pgr;f)−½·{E(r4a−r4i)/(dM+dF)}−¼, where ra is the outside diameter of the pipe or tube section, ri is the inside diameter of the pipe or tube section, E is the modulus of elasticity of the material of the pipe or tube section, dM is the product of the density of the material of the pipe or tube section and the cross-sectional area of the wall of the pipe or tube section, and dF is the product of the mean density of the fluids and the cross-sectional area of the lumen of the pipe or tube section. Two sensing elements (13, 14) are fixed to the pipe or tube section at positions where, if the pipe or tube section is excited in the third mode of vibration, a deflection of the pipe or tube section caused by a disturbance originating from the pipe has a first and a second zero, respectively.
摘要翻译：该方法用于将夹紧设计原理应用于科里奥利质量流量计和传感器。具有相同质量的第一隔离体（4,4'）和第二隔离体（5,5'）固定在管（1）或测量管（1'，10,10'，10'）的外侧， '）以预定距离L彼此限定形成管或管段（11; 11'; 11“）的测量长度。这些质量基本上大于管或管段的质量。如果存在两个测量管，则使用夹紧体（111,112; 111'，112'）。安装在管或管部分中间的振动激励器（12）以频率f在500Hz和1000Hz之间的第三振动模式激励后者。距离L由以下公式计算：其中管或管段的外径为ri，管或管段的直径为ri，E为管或管段材料的弹性模量， dM是管或管段材料的密度和管或管段壁的横截面面积，dF是流体的平均密度和横截面积的乘积管或管部分的管腔。两个传感元件（13,14）在管或管部分固定在管或管段在第三振动模式下被激发的位置，管或管由管道产生的干扰引起的管段分别具有第一和第二零点。

7. 发明授权

US5557973A Coriolis-type mass flow sensor with a helical measuring tube 失效
标题翻译：具有螺旋测量管的科里奥利型质量流量传感器
公开(公告)号：US5557973A
公开(公告)日：1996-09-24
申请号：US303706
申请日：1994-09-09
申请人： Ole Koudal , Alfred Wenger
发明人： Ole Koudal , Alfred Wenger
IPC分类号： G01F1/84
CPC分类号： G01F1/8409 , G01F1/8418 , G01F1/8468
摘要： A mass flow sensor is provided to be installed in a conduit through which a fluid flows. The mass flow sensor includes flanges for mounting to the conduit, a single measuring tube, an external support tube, and an internal support element. The measuring tube is fixed at its ends to the flanges and includes a vibrating portion having the shape of a circular constant-pitch helix. The external support tube includes external support tube ends fixed to the measuring tube or flanges. The internal support element includes internal support element ends fixed to the measuring tube adjacent to the flanges. The mass flow sensor further includes connecting elements evenly distributed along the vibrating portion of the measuring tube, interconnecting the vibrating portion of the measuring tube and the internal support element, and permitting only those modes of the vibrating portion of the measuring tube in which the centerline of the vibrating portion remains, as far as possible, substantially on a rest-position cylindrical enveloping surface of the modes. The mass flow sensor also includes a mechanism to excite the vibrating portion of the measuring tube into resonance vibrations perpendicular to its centerline.
摘要翻译：提供质量流量传感器以安装在流体流过的导管中。质量流量传感器包括用于安装到导管的凸缘，单个测量管，外部支撑管和内部支撑元件。测量管的端部固定在凸缘上，并包括具有圆形恒定间距螺旋形状的振动部分。外部支撑管包括固定在测量管或法兰上的外部支撑管端。内部支撑元件包括固定到靠近凸缘的测量管的内部支撑元件端部。质量流量传感器还包括沿着测量管的振动部分均匀分布的连接元件，将测量管的振动部分和内部支撑元件相互连接，并且仅允许测量管的振动部分的那些模式，其中中心线振动部分保持尽可能地基本上在模式的静止位置的圆柱形包络表面上。质量流量传感器还包括将测量管的振动部分激发成垂直于其中心线的共振振动的机构。

8. 发明授权

US4177669A Device for measuring the density of a fluid 失效
标题翻译：用于测量流体密度的装置
公开(公告)号：US4177669A
公开(公告)日：1979-12-11
申请号：US925751
申请日：1978-07-18
申请人： Alfred Wenger
发明人： Alfred Wenger
IPC分类号： G01N9/00
CPC分类号： G01N9/002
摘要： The device includes an oscillation body and an electronic circuitry component connected to an oscillation detector and to plural oscillation generators, and including a period of frequency meter, phase shifters supplying the generators with an excitation signal shifted in phase relative to the detector signal, and a modulator. The phase angle between the detector and excitation signals, and the oscillating frequency, are varied substantially periodically within a given interval at a frequency which is lower than the oscillation frequency. Control elements control the phase and frequency position of the interval as a function of the variation of the ratio of the detector signal to the excitation signal, and of the relation between the variations, within the interval, of the detector and excitation signals and the phase angle therebetween.
摘要翻译：该装置包括振荡体和连接到振荡检测器和多个振荡发生器的电子电路部件，并且包括频率计周期，移相器向发生器提供相对于检测器信号相移的激励信号，以及调制器。检测器和激励信号之间的相位角以及振荡频率在给定的间隔内基本周期地以低于振荡频率的频率变化。控制元件控制间隔的相位和频率位置作为检测器信号与激励信号的比率变化的函数，以及在检测器和激励信号的间隔内的变化与相位之间的关系的函数之间的角度。

9. 发明授权

US07520162B2 Vibration meter and method of measuring a viscosity of a fluid 有权
标题翻译：振动计和测量流体粘度的方法
公开(公告)号：US07520162B2
公开(公告)日：2009-04-21
申请号：US11368448
申请日：2006-03-07
申请人： Alfred Wenger , Michael Fuchs , Christian Matt , Wolfgang Drahm
发明人： Alfred Wenger , Michael Fuchs , Christian Matt , Wolfgang Drahm
IPC分类号： G01N11/16 , G01F1/86
CPC分类号： G01F1/8409 , G01F1/8413 , G01F1/8418 , G01F1/8422 , G01F1/8436 , G01F1/849 , G01N9/002 , G01N11/16
摘要： A vibration meter and a method of measuring a viscosity of a fluid flowing through a pipe are disclosed. The vibration meter comprises meter electronics and a transducer assembly with an electromechanical excitation arrangement and with a flow tube which oscillates in operation. A sensor arrangement produces sensor signals representative of inlet-side and outlet-side deflections of the flow tube. An evaluation circuit derives from said sensor signals and from an excitation current generated by an excitation circuit for the excitation arrangement a viscosity value representative of the viscosity of the fluid.
摘要翻译：公开了一种振动计和测量流过管道的流体的粘度的方法。振动计包括仪表电子装置和具有机电激励装置的传感器组件，以及在操作中振荡的流动管。传感器装置产生代表流管的入口侧和出口侧偏转的传感器信号。评估电路来自所述传感器信号，并且由激励电路产生的激励电流产生代表流体粘度的粘度值。

10. 发明授权

US06666098B2 Vibratory transducer 有权
标题翻译：振动传感器
公开(公告)号：US06666098B2
公开(公告)日：2003-12-23
申请号：US10152692
申请日：2002-05-23
申请人： Wolfgang Drahm , Alfred Rieder , Ennio Bitto , Rainer Lorenz , Christian Schütze , Alfred Wenger , Michael Fuchs , Martin Anklin
发明人： Wolfgang Drahm , Alfred Rieder , Ennio Bitto , Rainer Lorenz , Christian Schütze , Alfred Wenger , Michael Fuchs , Martin Anklin
IPC分类号： G01F184
CPC分类号： G01F1/8413 , G01F1/8418 , G01F1/8472 , G01F1/8477
摘要： A vibratory transducer comprises a flow tube for conducting the fluid flowing in a pipe. The flow tube communicates with the pipe via an inlet-side tube section and an outlet-side tube section. An antivibrator is mechanically connected with the flow tube by an inlet-side coupler and an outlet-side coupler. For driving flow tube and antivibrator at an excitation frequency the transducer comprising an excitation system and for sensing inlet-side and outlet-side vibrations of the flow tube the transducer comprising a sensor system. An internal system formed by the flow tube, the antivibrator, the excitation system, and the sensor system, oscillating about a longitudinal axis of the transducer which is essentially in alignment with the inlet-side tube sections, forces a torsion of the couplers about the longitudinal axis and an essentially torsional elastic deformation of the inlet-side and outlet-side tube sections. The couplers are so dimensioned that an inherent torsion eigenmode of the inlet-side coupler and the inlet-side tube section has a natural frequency approximately equal to the excitation frequency, and an inherent torsion eigenmode of the outlet-side coupler and outlet-side tube section has a natural frequency essentially equal to the natural frequency of the inlet-side inherent torsion eigenmode.
摘要翻译：振动换能器包括用于导管在管中流动的流体的流管。流管经由入口侧管部和出口侧管部与管连通。防振器通过入口侧联接器和出口侧联接器与流量管机械连接。为了以激励频率驱动流管和防振器，换能器包括激励系统并且用于感测流管的入口侧和出口侧振动，换能器包括传感器系统。由流体管，防振器，激励系统和传感器系统形成的内部系统围绕换能器的纵向轴线摆动，该纵向轴线基本上与入口侧管段对准，迫使耦合器的扭转在纵向轴线和入口侧和出口侧管段的基本上扭转的弹性变形。耦合器的尺寸使得入口侧耦合器和入口侧管部分的固有扭转本征模具具有大致等于激发频率的固有频率，并且出口侧耦合器和出口侧管的固有扭转本征模式截面具有基本上等于入口侧固有扭转本征模式的固有频率的固有频率。

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