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Patent Agency Ranking
公开(公告)号：US20240410731A1
公开(公告)日：2024-12-12
申请号：US18690356
申请日：2022-08-10
Applicant: Endress+Hauser Flowtec AG
Inventor： Benjamin Schwenter , Christian Schütze , Marc Werner , Ennio Bitto , Dieter Mundschin
IPC: G01F1/84
Abstract: A vibronic sensor for measuring mass flow rate, includes a measurement pipe, an excitation magnet and a sensor magnet, an excitation coil and a sensor coils, each having an elongated basic shape. The basic shape has a center of gravity through which a largest diameter having a length d1 and a smallest diameter having a length d2 extend, wherein the excitation coil or the sensor coil has a first coil axis and a second coil axis in a cross-sectional plane. The largest diameter d is in the first coil axis, wherein the smallest diameter d2 is in the second coil axis. For a quotient d1/d2, the following applies: 1.15≤d1/d2, where, when the measurement pipe vibrates in an in-plane mode, a deflection direction of the measurement pipe is oriented in parallel with the first coil axis in a region of the excitation magnet or the sensor magnet.
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公开(公告)号：US10801870B2
公开(公告)日：2020-10-13
申请号：US16618707
申请日：2018-05-08
Applicant: Endress+Hauser Flowtec AG
Inventor： Christof Huber , Christian Schütze , Dieter Mundschin , Benjamin Schwenter , Severin Ramseyer , Marc Werner
Abstract: A mass flow sensor includes: a vibratory measurement tube bent in a tube plane; a vibration exciter for exciting bending vibrations in a bending vibration use-mode; two vibration sensors for sensing vibrations; a support system having a support plate, bearing bodies on the inlet and sides; and a sensor housing, wherein: the support system has support system vibration modes which include elastic deformations of the support plate; the measurement tube is connected fixedly to the support plate by the bearing body on the inlet side and by the bearing body on the outlet side; and the support plate has a number of spring-loaded bearings exposed through cut-outs in the support plate by which the support plate is mounted on the sensor housing with degrees of vibrational freedom, the natural frequencies of which are lower than a use-mode natural frequency of the bending vibration use-mode.
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公开(公告)号：US11378431B2
公开(公告)日：2022-07-05
申请号：US16618730
申请日：2018-05-08
Applicant: Endress+Hauser Flowtec AG
Inventor： Christof Huber , Benjamin Schwenter , Dieter Mundschin , Christian Schütze
Abstract: A mass flow measuring sensor includes: an oscillatable measuring tube bent in a tube plane; an oscillation exciter for exciting bending oscillations in a bending oscillation use-mode; two oscillation sensors for registering oscillations; a support system; and a measuring sensor housing; wherein the support system has support system oscillation modes, including elastic deformations of the support plate; wherein the support plate is cut to form a number of spirally shaped spring securements, via which the support plate is secured to the measuring sensor housing with oscillation degrees of freedom, whose eigenfrequencies are lower than a use-mode eigenfrequency of the bending oscillation use-mode, wherein the use-mode eigenfrequency is lower than the eigenfrequencies of the support system oscillation modes, wherein a calibration factor describes a proportionality between a mass flow through the measuring tube and a phase difference between oscillations of the measuring tube oscillating in the bending oscillation use-mode.
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公开(公告)号：US20200166397A1
公开(公告)日：2020-05-28
申请号：US16618730
申请日：2018-05-08
Applicant: Endress+Hauser Flowtec AG
Inventor： Christof Huber , Benjamin Schwenter , Dieter Mundschin , Christian Schütze
Abstract: A mass flow measuring sensor includes: an oscillatable measuring tube bent in a tube plane; an oscillation exciter for exciting bending oscillations in a bending oscillation use-mode; two oscillation sensors for registering oscillations; a support system; and a measuring sensor housing; wherein the support system has support system oscillation modes, including elastic deformations of the support plate; wherein the support plate is cut to form a number of spirally shaped spring securements, via which the support plate is secured to the measuring sensor housing with oscillation degrees of freedom, whose eigenfrequencies are lower than a use-mode eigenfrequency of the bending oscillation use-mode, wherein the use-mode eigenfrequency is lower than the eigenfrequencies of the support system oscillation modes, wherein a calibration factor describes a proportionality between a mass flow through the measuring tube and a phase difference between oscillations of the measuring tube oscillating in the bending oscillation use-mode.
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公开(公告)号：US20200124453A1
公开(公告)日：2020-04-23
申请号：US16618707
申请日：2018-05-08
Applicant: Endress+Hauser Flowtec AG
Inventor： Christof Huber , Christian Schütze , Dieter Mundschin , Benjamin Schwenter , Severin Ramseyer , Marc Werner
Abstract: A mass flow sensor includes: a vibratory measurement tube bent in a tube plane; a vibration exciter for exciting bending vibrations in a bending vibration use-mode; two vibration sensors for sensing vibrations; a support system having a support plate, bearing bodies on the inlet and sides; and a sensor housing, wherein: the support system has support system vibration modes which include elastic deformations of the support plate; the measurement tube is connected fixedly to the support plate by the bearing body on the inlet side and by the bearing body on the outlet side; and the support plate has a number of spring-loaded bearings exposed through cut-outs in the support plate by which the support plate is mounted on the sensor housing with degrees of vibrational freedom, the natural frequencies of which are lower than a use-mode natural frequency of the bending vibration use-mode.
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