| Patent application number | Description | Published |
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| 20100095783 | In-line measuring device - An in line measuring device, includes a measuring transducer having: a least one measuring tube vibrating, during operation, and serving for conveying, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the at least one measuring tube; a sensor arrangement for registering vibrations of the measuring tube and for delivering an oscillation measurement signal representing oscillations of the measuring tube, and a measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least one exciter signal driving the exciter mechanism, and, in such a manner that the at least one measuring tube, during operation,—driven by the exciter mechanism driven by means of the at least one exciter signal—is excited, to execute vibrations in a wanted mode of the measuring transducer, in which it, at least partially, executes bending oscillations about an imaginary bending oscillation axis of the measuring transducer, Moreover, the measuring device electronics ascertains, a damping value of first type, which represents, instantaneously, a damping of vibrations of the at least one measuring tube, which opposes the bending oscillations of the at least one measuring tube corresponding to the Coriolis mode. | 04-22-2010 |
| 20100095784 | In-line measuring device - An inline measuring device, includes a measuring transducer having: at least one measuring tube vibrating, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the measuring tube; and a sensor arrangement for registering vibrations of the measuring tube and for delivering oscillation measurement signal representing oscillations of the measuring tube. Measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least one exciter signal driving the exciter mechanism, and, ascertains a damping value of a first type, which represents, instantaneously, a damping of vibrations of the at least one measuring tube induced by medium conveyed in the at least one measuring tube and antisymmetric with reference to an imaginary central plane of the at least one measuring tube coplanar with a cross section of the measuring tube, and/or which represents, instantaneously, a damping of vibrations of the at least one measuring tube induced by medium conveyed in the at least one measuring tube. | 04-22-2010 |
| 20100095785 | In-line measuring device - An in line measuring device, includes a measuring transducer of the vibration-type having: at least one measuring tube vibrating, at least at times, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism acting on the measuring tube for producing vibrations of the at least one measuring tube; and a sensor arrangement for registering vibrations of the at least one measuring tube and for delivering at least one oscillation measurement signal representing oscillations of the measuring tube. The in line measuring device further includes measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least at times, at least one exciter signal driving the exciter mechanism, and, at least at times, ascertains a damping value of first type, which represents a change of damping opposing the vibrations of the measuring tube within a predeterminable time interval. | 04-22-2010 |
| 20100242623 | Measuring system for media flowing in a pipeline - The measuring system of the invention comprises: A measuring transducer of vibration-type, through which medium flows during operation and which serves for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: An inlet-side flow divider ( | 09-30-2010 |
| 20100242624 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - The measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. For such purpose, the measuring transducer comprises: A transducer housing ( | 09-30-2010 |
| 20100251830 | Measuring system for media flowing in a pipeline - The measuring system of the invention comprises: A measuring transducer of vibration-type, through which medium flows during operation and which serves for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: An inlet-side flow divider ( | 10-07-2010 |
| 20110016990 | Vibration-type measuring transducer as well as measuring device with such a measuring transducer - A measuring transducer, comprises at least one measuring tube for conveying a flowing medium. The measuring tube vibrates at least at times during operation. The measuring transducer further comprises a sensor arrangement, which serves to register oscillations of the measuring tube. The measuring tube extends with an oscillatory length between an inlet-side, first measuring tube end and an outlet-side, second measuring tube end, and, during operation, oscillates about an oscillation axis, which is parallel to or coincides with an imagined connecting axis which imaginarily connects the two measuring tube ends. By means of a first oscillation sensor, which is arranged on the measuring tube, the sensor arrangement produces a first primary signal representing vibrations of the measuring tube, and by means of a second oscillation sensor, which is arranged on the measuring tube spaced from the first measuring sensor, the sensor arrangement produces a second primary signal representing vibrations of the measuring tube. The oscillation sensors of the sensor arrangement are placed in the measuring transducer in such a way that a measuring length of the measuring transducer corresponds to less than 65% especially less than 55% of the oscillatory length, and greater than 25%, especially greater than 30% of the oscillatory length. | 01-27-2011 |
| 20110023624 | Vibration-type measuring transducer as well as measuring device with such a measuring transducer - A measuring transducer comprising at least one measuring tube for conveying a flowing medium. The measuring tube vibrates at least at times during operation. A sensor arrangement, which serves to register oscillations of the at least one measuring tube. The measuring tube extends with an oscillatory length between an inlet-side, first measuring tube end, and an outlet-side, second measuring tube end, and, during operation, oscillates about an oscillation axis, which is parallel to or coincides with an imagined connecting axis which imaginarily connects the two measuring tube ends. By means of a first oscillation sensor, the sensor arrangement produces a first primary signal of the measuring transducer representing vibrations of the measuring tube, and by means of a second oscillation sensor the sensor arrangement produces a second primary signal of the measuring transducer representing vibrations of the measuring tube, wherein a length of a region of the first measuring tube extending between the first oscillation sensor and the second oscillation sensor defines a measuring length of the measuring transducer. The oscillation sensors of the sensor arrangement are placed in the measuring transducer in such a way that a measuring transducer sensitivity, S | 02-03-2011 |
| 20110113896 | Measuring system with a tube arrangement having two measuring tubes flowed through in parallel, as well as method for monitoring the arrangement - For monitoring the tube arrangement, the measuring system of the invention includes, connected to the transmitter electronics, a temperature measuring arrangement having a first temperature sensor for producing a temperature signal dependent on a temperature of a first of the measuring tubes of the tube arrangement and at least a second temperature sensor for producing a temperature signal dependent on a temperature of a second of the measuring tubes of the tube arrangement. In the method of the invention, it is provided that, in the case of medium flowing through the tube arrangement, a temperature difference existing between the at least two measuring tubes as a result plugging is ascertained and, in case the ascertained temperature difference deviates from a predetermined limit value for the temperature difference representing a non-plugged tube arrangement, a partial plugging of the tube arrangement, especially a plugging of exactly one of the measuring tubes, is signaled. | 05-19-2011 |
| 20110146383 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - The measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. For such purpose, the measuring transducer comprises: A transducer housing ( | 06-23-2011 |
| 20110146416 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - The measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. For such purpose, the measuring transducer comprises: A transducer housing ( | 06-23-2011 |
| 20110167907 | Measuring transducer of vibration-type - The measuring transducer comprises: a transducer housing, of which an inlet-side, housing end is formed by means of a flow divider including four flow openings spaced, and an outlet-side, formed by means of a flow divider including four flow openings spaced, from one another. A tube arrangement including four curved measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. Each measuring tubes opens with an inlet-side, measuring tube end into one of the flow openings of the flow divider and with an outlet-side, measuring tube end into one the flow openings of the flow divider. The two flow dividers are embodied and arranged in the measuring transducer, so that the tube arrangement extends both between a first and a second of the measuring tubes and between a third and a fourth of the measuring tubes. An imaginary longitudinal-section plane, with respect to which the tube arrangement is mirror symmetric and perpendicular to the imaginary longitudinal-section plane, an imaginary longitudinal-section plane, with respect to which the tube arrangement likewise is mirror symmetric. An electromechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the four measuring tubes. | 07-14-2011 |
| 20110259123 | MEASURING TRANSDUER OF VIBRATION-TYPE, AS WELL AS AN IN-LINE MEASURING DEVICE HAVING SUCH A MEASURING TRANSDUCER - A measuring transducer includes: a transducer housing with an inlet-side flow divider having exactly four flow openings and an outlet-side flow divider having exactly four flow openings; as well as exactly four, straight, measuring tubes connected to the flow dividers. Each of the four measuring tubes opens into one the flow openings of the inlet-side flow divider and into one the flow openings of the outlet-side flow divide. Additionally, the measuring transducer includes an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the measuring tubes such that the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in a shared imaginary plane of oscillation. | 10-27-2011 |
| 20110265580 | Measuring transducer of vibration-type and measuring system formed therewith - A measuring transducer comprises: a transducer housing, of which an inlet-side is formed by means of an inlet-side, flow divider having exactly four flow openings spaced from one another and an outlet-side formed by means of an outlet-side, flow divider having exactly four flow openings from one another; a tube arrangement having exactly four, curved, or bent, measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. Each of the four measuring tubes opens with an inlet-side, measuring tube end into one of the flow openings of the flow divider and with an outlet-side, measuring tube end into one the flow openings of the flow divider. Two flow dividers are arranged in the measuring transducer. An electromechanical exciter mechanism is provided. | 11-03-2011 |
| 20120090407 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATION-TYPE - A measuring system comprises: a measuring transducer for producing oscillation measurement signals; and transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating oscillation measurement signals delivered by the measuring transducer. The measuring transducer includes: a transducer housing, a first housing end housing end, first flow divider having exactly four flow openings, an outlet-side, second housing end formed by means of an outlet-side, second flow divider having exactly four flow openings mutually spaced from one another, and a tube arrangement having exactly four, straight, measuring tubes forming flow paths arranged for parallel flow and connected to the flow dividers, an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes and a vibration sensor arrangement reacting to vibrations of the measuring tubes. | 04-19-2012 |
| 20120167697 | MEASURING TRANSDUCER OF THE VIBRATION TYPE AS WELL AS MEASURING SYSTEM FORMED THEREWITH - A measuring transducer comprises: a housing, with an inlet-side flow divider having four flow openings, and an outlet-side end having four flow openings; a tube arrangement having four tubes connected to the flow dividers; and a first coupling element. An exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes. The first coupling element includes a deformation body and four connecting struts, of which connected with a first strut end and with the first measuring tube, a second connecting strut is connected with a first strut end and with a second strut end with the second measuring tube, a third connecting strut and with a second strut end with the first measuring tube, and a fourth connecting strut is connected with a first strut end and with a second strut end with the fourth measuring tube. | 07-05-2012 |
| 20120255369 | MEASURING TRANSDUCER OF VIBRATION-TYPE AS WELL AS METHOD FOR ITS MANUFACTURE - A measuring transducer comprises a housing, and a tube arrangement formed by means of at least two tubes extending within the housing. At least one tube is embodied as a measuring tube serving for conveying flowing medium and another tube is mechanically connected with the tube by means of a coupling element to form an inlet-side coupling zone and by means of a coupling element. The coupling element is arranged equally far removed from the housing end. One coupling element has, about an imaginary longitudinal axis of the tube arrangement imaginarily connecting a center of mass of the coupling element and a center of mass of the other coupling element, with an angle of intersection equal to that with the other coupling element, a bending stiffness, which deviates from a bending stiffness of the other coupling element about said imaginary longitudinal axis of the tube arrangement. | 10-11-2012 |
| 20130031973 | METHOD FOR DETECTING ACCRETION OR ABRASION IN A FLOW MEASURING DEVICE - A method for detecting accretion or abrasion on a first measuring tube of a flow measuring device. A first temperature as a function of time is registered via a first temperature sensor, which is arranged on the first measuring tube in such a manner that, between the first temperature sensor and the medium, at least one measuring tube wall of the first measuring tube is embodied. Parallel in time, a second reference temperature as a function of time is registered by a second temperature sensor, which is spaced from the first temperature sensor and thermally coupled to the medium. Therefrom, at least one variable characteristic is determined, and accretion or abrasion on the first measuring tube is detected, if the at least one determined characteristic variable or a variable derived therefrom deviates by more than a limit value from a predetermined reference variable. | 02-07-2013 |
| 20130133436 | MEASURING SYSTEM FOR MEDIA FLOWING IN A PIPELINE - The measuring system comprises: a measuring transducer, for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; transmitter electronics for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: an inlet-side flow divider; an outlet-side flow divider; at least two, mutually parallel, straight, measuring tubes, connected to the flow dividers; and an electromechanical exciter mechanism for exciting and maintaining mechanical oscillations of the two measuring tubes. Each of the two measuring tubes opens with an inlet-side measuring tube end into a flow opening and with an outlet-side. The transmitter electronics feeds, by means of an electrical driver signal supplied to the exciter mechanism, electrical excitation power into the exciter mechanism, while the exciter mechanism converts electrical excitation power partially into opposite-equal torsional oscillations of the at least two measuring tubes. | 05-30-2013 |
| 20140000374 | Messaufnehmer vom Vibrationstyp sowie damit gebildetes Messsystem | 01-02-2014 |
| 20140352454 | Measuring Transducer of Vibration-Type with Four Curved Measuring Tubes - The measuring transducer comprises: a transducer housing ( | 12-04-2014 |
