Patents by Inventor Gunther Bahr
Gunther Bahr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11085802Abstract: The present disclosure relates to a method for operating a magnetic-inductive flow meter for measuring the flow rate or the volumetric flow of a medium in a measuring tube and to such a flow meter, wherein the medium is acted upon by magnetic fields of different polarity and field strength, wherein the alternation between magnetic fields causes a voltage pulse in the medium, wherein a voltage pulse during a phase without a magnetic field is used for calculation of a correction of an electrode voltage characteristic.Type: GrantFiled: November 22, 2017Date of Patent: August 10, 2021Assignee: Endress+Hauser Flowtec AGInventors: Thomas Küng, Günther Bähr
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Patent number: 11047719Abstract: A magnetic-inductive flow meter and a method for operating such a magnetic-inductive flow meter for measuring the flow velocity or the volumetric flow rate of a medium in a measuring tube include subjecting the medium to magnetic fields of different polarity and field strength such that the changing between magnetic fields causes a voltage pulse in the medium and analyzing the voltage pulse to calculate a correction of an electrode voltage profile of a measuring electrode pair of the flow meter.Type: GrantFiled: November 22, 2017Date of Patent: June 29, 2021Assignee: Endress+Hauser Flowtec AGInventors: Thomas Küng, Günther Bähr
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Patent number: 11029182Abstract: The present disclosure relates to a method for measuring flow velocity or volume flow of a medium using a magneto inductive flow measuring device and to an arrangement having a magneto inductive flow measuring device, as well as to a filling plant with an arrangement, wherein the medium has a low conductivity. A high accuracy of measurement is achieved by provision of a first narrowing of a medium-containing pipeline and/or a second narrowing of a medium-containing measuring tube, wherein the pipeline leads the medium to a measuring tube of the flow measuring device.Type: GrantFiled: June 26, 2017Date of Patent: June 8, 2021Assignee: Endress+Hauser Flowtec AGInventors: Thomas Küng, Günther Bähr, Frank Voigt
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Publication number: 20190383653Abstract: The present disclosure relates to a method for operating a magnetic-inductive flow meter for measuring the flow velocity or the volumetric flow rate of a medium in a measuring tube and to such a flow meter, wherein the medium is subjected to magnetic fields of different polarity and field strength, wherein the changing between magnetic fields causes a voltage pulse in the medium, wherein an analysis of the voltage pulse is used for calculating a correction of an electrode voltage profile.Type: ApplicationFiled: November 22, 2017Publication date: December 19, 2019Inventors: Thomas Küng, Günther Bähr
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Publication number: 20190383652Abstract: The present disclosure relates to a method for operating a magnetic-inductive flow meter for measuring the flow rate or the volumetric flow of a medium in a measuring tube and to such a flow meter, wherein the medium is acted upon by magnetic fields of different polarity and field strength, wherein the alternation between magnetic fields causes a voltage pulse in the medium, wherein a voltage pulse during a phase without a magnetic field is used for calculation of a correction of an electrode voltage characteristic.Type: ApplicationFiled: November 22, 2017Publication date: December 19, 2019Inventors: Thomas Küng, Günther Bähr
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Patent number: 10473497Abstract: A magneto-inductive flow measuring device for ascertaining flow of a measured medium through a measuring tube having a measuring tube axis, comprising: at least a first coil component having a coil body for accommodating a coil core of a coil. The coil is wound on the coil body and the coil core is arranged in a first passageway of the coil body with a longitudinal axis of the coil core coaxial with the coil. At least two cable strands are arranged between the coil core and the coil body, wherein the cable strands serve for tapping the signal of two or more measuring electrodes arranged on the measuring tube. The cable strands extend within the coil component essentially along a cutting plane, which extends perpendicular to the measuring tube axis.Type: GrantFiled: July 16, 2015Date of Patent: November 12, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Frank Voigt, Günther Bähr, Thomas Küng
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Publication number: 20190226890Abstract: The present disclosure relates to a method for measuring flow velocity or volume flow of a medium by means of a magneto inductive flow measuring device and to an arrangement having a magneto inductive flow measuring device, as well as to a filling plant with an arrangement, wherein the medium has a low conductivity. A high accuracy of measurement is achieved by provision of a first narrowing of a medium-containing pipeline and/or a second narrowing of a medium-containing measuring tube, wherein the pipeline leads the medium to a measuring tube of the flow measuring device.Type: ApplicationFiled: June 26, 2017Publication date: July 25, 2019Applicant: Endress+Hauser Flowtec AGInventors: Thomas Küng, Günther Bähr, Frank Voigt
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Publication number: 20180209828Abstract: A magneto-inductive flow measuring device for ascertaining flow of a measured medium through a measuring tube having a measuring tube axis, comprising: at least a first coil component having a coil body for accommodating a coil core of a coil. The coil is wound on the coil body and the coil core is arranged in a first passageway of the coil body with a longitudinal axis of the coil core coaxial with the coil. At least two cable strands are arranged between the coil core and the coil body, wherein the cable strands serve for tapping the signal of two or more measuring electrodes arranged on the measuring tube. The cable strands extend within the coil component essentially along a cutting plane, which extends perpendicular to the measuring tube axis.Type: ApplicationFiled: July 16, 2015Publication date: July 26, 2018Inventors: Frank Voigt, Gunther Bahr, Thomas Kung
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Publication number: 20170219399Abstract: An apparatus for measuring flow of a fluid flowing using the magneto-inductive measuring principle, comprising a measuring tube having at least two subsections, wherein the subsections differ in diameter and/or geometry of cross sectional area; at least one magnet system having at least two coils for producing a magnetic field directed essentially perpendicularly to the flow direction of the fluid; at least two measuring electrode pairs for sensing induced voltage, wherein at least one measuring electrode pair is arranged in a first subsection and a second measuring electrode pair in a second subsection, wherein each measuring electrode pair includes first and second measuring electrodes, which lie opposite one another in the measuring tube and the respective connecting lines of the measuring electrodes are perpendicular to the tube axis and perpendicular to the magnetic field, and an electronics unit for signal registration and/or evaluation and for power supply of the coils, wherein the electronics unit isType: ApplicationFiled: July 31, 2015Publication date: August 3, 2017Inventors: Thomas Kung, Gunther Bahr, Frank Voigt
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Patent number: 9631966Abstract: A fill level monitoring system comprising at least one electrode for monitoring the fill level of a medium flowing in a pipe or tube, wherein the electrode has an integrated temperature sensor, wherein the fill level monitoring system further comprises an evaluation unit, which is embodied for monitoring the degree of filling of the pipe or tube and transmits a warning signal when the degree of filling subceeds a limit value, preferably a degree of filling of less than 80% of the tube diameter; and a flow measuring device having this fill level monitoring system.Type: GrantFiled: September 19, 2013Date of Patent: April 25, 2017Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Frank Voigt, Werner Wohlgemuth, Gunther Bahr
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Patent number: 9394995Abstract: An L-shaped sealing ring comprising two legs connected with one another to form an L-shape in cross section. A length of a first leg is part of a lateral surface of revolution about an axis of the L-shaped sealing ring. The first leg lies between the first length and the axis of revolution. A second leg is bounded toward the environment by a second length, wherein the first and second lengths are connected with one another via a connection contour. An intersection of first and second lines, forms a corner of a triangle, wherein the respective end points of the first and second lengths form other vertices of the triangle. The L-shaped sealing ring is so embodied that the surface area of the cross sectional area of the body of the L-shaped sealing ring in the triangle amounts to, at most, 60% of the areal content of the triangle, wherein the area of the L-shaped sealing ring in the triangle is non-concave.Type: GrantFiled: August 23, 2012Date of Patent: July 19, 2016Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Gunther Bahr, Frank Voigt
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Patent number: 9389107Abstract: A magneto inductive, flow measuring device including a measuring tube and, arranged on the measuring tube, at least one magnet system, which includes a pole shoe. The measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment. The pole shoe is so formed relative to the measuring tube that it contacts the planar area of the measuring tube and has a predetermined minimum separation for the otherwise cylindrical lateral surface of the measuring tube. The pole shoe surrounds the measuring tube with a circular arc angle of at least 10°.Type: GrantFiled: June 5, 2012Date of Patent: July 12, 2016Assignee: Endress + Hauser Flowtec AGInventors: Frank Voigt, Gunther Bahr, Diego Uerlings, Werner Wohlgemuth
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Patent number: 9157776Abstract: A magneto inductive flow measuring device having a measuring tube and at least one magnet system arranged on the measuring tube, wherein the measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment, against which planar area the magnet system is prestressed The magnet system is prestressed against the planar area of the measuring tube by means of a screwed connection between measuring tube and magnet system and/or the magnet system is prestressed against the planar area of the measuring tube by means of a mounting clip, which is secured shape-interlocked to the measuring tube. A method for manufacturing the magneto inductive, flow measuring device is also discussed.Type: GrantFiled: June 5, 2012Date of Patent: October 13, 2015Assignee: Endress + Hauser Flowtec AGInventors: Frank Voigt, Gunther Bahr, Diego Uerlings, Werner Wohlgemuth
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Publication number: 20150241260Abstract: A fill level monitoring system comprising at least one electrode for monitoring the fill level of a medium flowing in a pipe or tube, wherein the electrode has an integrated temperature sensor, wherein the fill level monitoring system further comprises an evaluation unit, which is embodied for monitoring the degree of filling of the pipe or tube and transmits a warning signal when the degree of filling subceeds a limit value, preferably a degree of filling of less than 80% of the tube diameter; and a flow measuring device having this fill level monitoring system.Type: ApplicationFiled: September 19, 2013Publication date: August 27, 2015Inventors: Frank Voigt, Werner Wohlgemuth, Gunther Bahr
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Patent number: 9068868Abstract: A magneto-inductive, flow measuring device for measuring flow of a measured medium through a measuring tube, comprising: at least a first coil assembly for accommodating a coil core is arranged in a first passageway. The coil core has a broadened part and a first stop, which is arranged between the measuring tube and the coil. The broadened part of the coil core in the assembled state of the first coil assembly lies against the first stop of the coil body and prevents shifting of the coil core relative to the coil body along the longitudinal axis of the coil core in a first direction facing away from the measuring tube. The coil body has a second stop, wherein the coil core is secured to the coil body with a securement element (which, in the assembled state, lies against the second stop of the coil body under a prestress along the longitudinal axis of the coil core between the first stop and the second stop of the coil body.Type: GrantFiled: December 13, 2010Date of Patent: June 30, 2015Assignee: Endress + Hauser Flowtec AGInventors: Frank Voigt, Thomas Zingg, Gunther Bähr, Werner Wohlgemuth, Alexander Crnovic
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Publication number: 20140202257Abstract: An L-shaped sealing ring comprising two legs connected with one another to form an L-shape in cross section. A length of a first leg is part of a lateral surface of revolution about an axis of the L-shaped sealing ring. The first leg lies between the first length and the axis of revolution. A second leg is bounded toward the environment by a second length, wherein the first and second lengths are connected with one another via a connection contour. An intersection of first and second lines, forms a corner of a triangle, wherein the respective end points of the first and second lengths form other vertices of the triangle. The L-shaped sealing ring is so embodied that the surface area of the cross sectional area of the body of the L-shaped sealing ring in the triangle amounts to, at most, 60% of the areal content of the triangle, wherein the area of the L-shaped sealing ring in the triangle is non-concave.Type: ApplicationFiled: August 23, 2012Publication date: July 24, 2014Applicant: ENDRESS + HAUSER FLOWTEC AGInventors: Günther Bähr, Frank Voigt
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Publication number: 20140157910Abstract: A magneto inductive, flow measuring device including a measuring tube and, arranged on the measuring tube, at least one magnet system, which includes a pole shoe. The measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment. The pole shoe is so formed relative to the measuring tube that it contacts the planar area of the measuring tube and has a predetermined minimum separation for the otherwise cylindrical lateral surface of the measuring tube. The pole shoe surrounds the measuring tube with a circular arc angle of at least 10°.Type: ApplicationFiled: June 5, 2012Publication date: June 12, 2014Applicant: Endress + Hauser Flowtec AGInventors: Frank Voigt, Gunther Bahr, Diego Uerlings, Werner Wohlgemuth
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Publication number: 20140150567Abstract: A magneto inductive flow measuring device having a measuring tube and at least one magnet system arranged on the measuring tube, wherein the measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment, against which planar area the magnet system is prestressed The magnet system is prestressed against the planar area of the measuring tube by means of a screwed connection between measuring tube and magnet system and/or the magnet system is prestressed against the planar area of the measuring tube by means of a mounting clip, which is secured shape-interlocked to the measuring tube. A method for manufacturing the magneto inductive, flow measuring device is also discussed.Type: ApplicationFiled: June 5, 2012Publication date: June 5, 2014Applicant: Endress + Hauser Flowtec AGInventors: Frank Voigt, Gunther Bahr, Diego Uerlings, Werner Wohlgemuth
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Patent number: 8051722Abstract: An apparatus for measuring volume- or mass-flow of a medium in a pipeline. Included is a measuring tube, through which the medium flows in the direction of the longitudinal axis of the measuring tube; a magnet system, which is embodied in such a manner, that it produces a magnetic field passing through the measuring tube essentially transversely to the longitudinal axis of the measuring tube; at least one measuring electrode coupled with the medium, which is arranged in a bore in the wall of the measuring tube in a region lying essentially perpendicular to the magnetic field.Type: GrantFiled: November 15, 2007Date of Patent: November 8, 2011Assignee: Endress+ Hauser Flowtec AGInventors: Frank Voigt, Günther Bähr
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Publication number: 20100089171Abstract: An apparatus for measuring volume- or mass-flow of a medium in a pipeline. Included is a measuring tube, through which the medium flows in the direction of the longitudinal axis of the measuring tube; a magnet system, which is embodied in such a manner, that it produces a magnetic field passing through the measuring tube essentially transversely to the longitudinal axis of the measuring tube; at least one measuring electrode coupled with the medium, which is arranged in a bore in the wall of the measuring tube in a region lying essentially perpendicular to the magnetic field.Type: ApplicationFiled: November 15, 2007Publication date: April 15, 2010Applicant: Endress + Hauser Flowtec AGInventors: Frank Voigt, Gunther Bahr