Drive And Sensor Element Located On Straight Conduit Portion Patents (Class 73/861.357)
  • Patent number: 10422678
    Abstract: Provided is a Coriolis flow sensor assembly that includes a fluid flow assembly, including a flow tube, wherein the fluid flow assembly is configured to provide a flow path through the flow tube. The flow tube has at least one region of increased stiffness, which may be a result of a structural support component coupled to the flow tube. In another embodiment, the increased stiffness is caused by integral properties of the flow tube.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: September 24, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Philipp Lang, Jens Rütten, Charles Erklin Seeley
  • Patent number: 10416017
    Abstract: A method for reducing flowmeter braze joint stress is provided. The method comprises the step of bending a flow tube (20) to create at least one thermal expansion bend (300, 302) thereon. The method comprises the step of aligning a flow tube (20) with at least one anchor block (30a, 30b). Additionally, the flow tube (20) is brazed to the at least one anchor block (30a, 30b) in another step, after which the flow tube (20) and the at least one anchor block (30a, 30b) are allowed to cool and contract a predetermined degree after brazing. The method additionally comprises the step of attaching the at least one anchor block (30a, 30b) to a support block (100) after the flow tube (20) has been attached to the at least one anchor block (30a, 30b) and attaching a manifold (90, 92) to each end of the flow tube (20).
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: September 17, 2019
    Assignee: Micro Motion, Inc.
    Inventors: Jeffrey D. Nielson, Gregory Treat Lanham, Christopher A Werbach, Nikhil Bhargava, Anand Vidhate, David Fleming, Lyle Dee Ashby
  • Patent number: 10193088
    Abstract: Provided are perovskite nanocrystalline particle and an optoelectronic device using the same. The perovskite nanocrystalline particle may include a perovskite nanocrystalline structure while being dispersible in an organic solvent. Accordingly, the perovskite nanocrystalline particle in accordance with the present invention has therein a perovskite nanocrystal having a crystalline structure in which FCC and BCC are combined; can form a lamellar structure in which an organic (or A site) plane and an inorganic plane are alternately stacked; and can show high color purity since excitons are confined to the inorganic plane.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: January 29, 2019
    Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Tae-Woo Lee, Sanghyuk Im, Young-Hoon Kim, Himchan Cho
  • Patent number: 10094185
    Abstract: A Coriolis flow meter for a drilling system measures flow from a wellbore and/or from at least one pump into the wellbore. The meter can be disposed upstream of at least one choke used for controlling backpressure, and/or the meter can be disposed between at least one pump and the wellbore. The meter has at least one flow tube adapted to vibrate and conducts the flow at a first pressure level from an inlet side to an outlet side. A vessel encloses the at least one flow tube at least between the inlet and outlet sides and holds a second pressure level therein about the at least one flow tube. The second pressure level can be equal to or nearly equal to the first pressure level to reduce or nearly eliminate a pressure differential across the at least one flow tube. For example, the second pressure level can be elevated above environmental relative to the first pressure level to reduce a pressure differential across the at least one flow tube.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: October 9, 2018
    Assignee: Weatherford Technology Holdings, LLC
    Inventors: Walter S. Dillard, Paul R. Northam, Gerald G. George, Lev Ring
  • Patent number: 10018491
    Abstract: A vibrating sensor assembly (200) is provided. The vibrating sensor assembly (200) includes a one-piece conduit mount (205). The one-piece conduit mount (205) includes an inlet port (206), an outlet port (208), and a conduit support base (210) extending from the inlet port (206) to the outlet port (208). The vibrating sensor assembly (200) further includes a single fluid conduit (203) with two or more loops (204A, 204B) separated by a crossover section (213), which is coupled to the one-piece conduit mount (205).
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: July 10, 2018
    Assignee: Micro Motion, Inc.
    Inventors: Christopher A Werbach, Gregory Treat Lanham, Bethany Pickett
  • Patent number: 9897473
    Abstract: The measuring transducer comprises four measuring tubes (181, 182, 183, 184) as well as two oscillation exciters and (51, 52). The oscillation exciter (51) includes a coil (511) secured to the measuring tube (181) as well as a permanent magnet (512) secured to the measuring tube (182) and movable relative to the coil (511) and the oscillation exciter (52) includes a coil (521) secured to the measuring tube (183) as well as a permanent magnet (522) secured to the measuring tube (184) and movable relative to the coil (521). In the case of the measuring transducer of the invention, the coils (511, 521) are connected electrically in parallel with one another.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: February 20, 2018
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Marcel Braun, Robert Lalla, Christian Matt
  • Patent number: 9590680
    Abstract: A headset includes a detector providing an output indicating a donned or doffed condition and a processor for executing a user interface control application. The user interface control application enables or disables a user interface responsive to detection of the donned or doffed condition.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: March 7, 2017
    Assignee: Plantronics, Inc.
    Inventors: Edward L. Reuss, Diane Elabidi
  • Patent number: 9518854
    Abstract: A resonance circuit is configured to receive a pulse density signal obtained by ??-modulating an analog displacement signal by a ?? modulator and a multi-bit signal obtained from the pulse density signal and to generate an excitation signal based on the pulse density signal and the multi-bit signal. The resonance circuit includes an amplification factor controller configured to set an amplification factor depending on a vibration signal obtained from the multi-bit signal, a multiplier configured to amplify a level of the pulse density signal by the amplification factor, and a circuit group configured to generate the excitation signal based on a pulse density signal obtained by further ??-modulating an output of the multiplier. The amplification factor controller is configured to set the amplification factor using a proportional control and an integral control based a difference between an amplitude signal obtained from the vibration signal and a target amplitude value.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: December 13, 2016
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Yuki Ikadai, Masami Wada
  • Patent number: 9506793
    Abstract: Provided is a Coriolis flowmeter capable of achieving suppression of a pressure loss of a manifold and the like. A channel (15) of a manifold (8) includes a pipe-side opening portion (16), tube-side opening portions (17), and a channel branching portion (18) as shaping portions therefor, and the channel sectional area in a range of from the channel branching portion (18) toward the tube-side opening portions (17) is linearly decreased. A branching wall tip end (20) of a branching wall (19) extending from a position of the channel branching portion (18) to the other end of a manifold body (12) is arranged at the channel branching portion (18). The sectional shape of the channel (15) is a circular shape at a position of the pipe-side opening portion (16), and is changed to D-shapes at the position of the channel branching portion (18) by the branching wall tip end (20).
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 29, 2016
    Assignee: OVAL CORPORATION
    Inventors: Norio Sukemura, Takeshi Motomiya
  • Patent number: 9429458
    Abstract: A flowmeter has a guide structure that can have medium flowing through it and which preferably operates using the Coriolis principle. To provide a flowmeter that allows a high as possible measuring accuracy with a space requirement that is as small as possible, at least one sensor element is applied on an outer surface of the guide structure for determining and/or monitoring at least one process variable.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: August 30, 2016
    Assignee: Krohne AG
    Inventors: Yousif Hussain, Christopher Rolph, Tao Wang
  • Patent number: 9372107
    Abstract: The measuring system comprises: a vibration element for guiding flowing medium and having a lumen; and a vibration element, which is adapted to be contacted, at least at times, by a part of the medium. Additionally, the measuring system includes at least two oscillation exciters for exciting resonant oscillations of the respective vibration elements, two mutually spaced oscillation sensors for registering vibrations of the vibration element, each of which generates an oscillatory signal dependent on vibrations of the vibration element, as well as at least one oscillation sensor for registering vibrations of the vibration element and generating, dependent on vibrations of the vibration element, an oscillatory signal, which has a signal frequency corresponding to a resonant frequency, of the vibration element.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: June 21, 2016
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Michael Kirst, Alfred Rieder
  • Patent number: 9368264
    Abstract: A magnet assembly (200) is provided that comprises a magnet keeper (204) configured to hold at least one magnet (202). The bracket (208) is configured to receive the magnet keeper (204) and also configured to be attachable to a flowmeter (5) sensor assembly (10). A first surface (216) is formed on the magnet keeper (204), and a second surface (218) is formed on the bracket (208), wherein the first and second surfaces (216, 218) are configured to mate so to provide a radial alignment of the magnet keeper (204) that is within a predefined radial tolerance range.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: June 14, 2016
    Assignee: Micro Motion, Inc.
    Inventors: David Skinkle, Terri J Mertens
  • Patent number: 9354096
    Abstract: A single straight tube flowmeter has a body; a tube through which a flow of fluid passes; two systems of excitation of oscillations in two planes which are perpendicular to one another and including adaptor units; a block of processing of information data including a phase shift of the adaptors located in one plane, frequency of oscillations of the tube, and temperatures of the tube and the body and outputting results of measurement of a mass flow rate and density of the fluid; and components for imparting to the tube a rotary motion relative to its neutral immovable position to increase accuracy of measurements by suppressing vibration disturbances.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: May 31, 2016
    Assignee: Argosy Technologies Ltd.
    Inventors: Peter Mouler, Aleksander Dondoshansky
  • Patent number: 9234780
    Abstract: A multi-phase process fluid is passed through a vibratable flowtube. Motion is induced in the vibratable flowtube. A first apparent property of the multi-phase process fluid based on the motion of the vibratable flowtube is determined, and an apparent intermediate value associated with the multi-phase process fluid based on the first apparent property is determined. A corrected intermediate value is determined based on a mapping between the intermediate value and the corrected intermediate value. A phase-specific property of a phase of the multi-phase process fluid is determined based on the corrected intermediate value.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: January 12, 2016
    Assignee: Invensys Systems, Inc.
    Inventors: Manus P. Henry, Michael S. Tombs
  • Patent number: 9200931
    Abstract: The present invention relates to a measuring transducer of the vibration-type for a fluid flowing in a flexible hose. The measuring transducer includes, a hose carrier unit, which has at least sectionally a loop-shaped outer contour, around which a flexible hose can be led. Furthermore, the measuring transducer includes a clamping unit, by which a flexible hose led in use around the loop-shaped outer contour is tightenable against the loop-shaped outer contour, at least one exciter coupled to the hose carrier unit, by which the hose carrier unit is excitable to execute mechanical oscillations, which are accompanied by alternating elastic deformation of the hose carrier unit, and at least one oscillation sensor, by which mechanical oscillations of the hose carrier unit and/or a flexible hose installed in use in the measuring transducer are registerable.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: December 1, 2015
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Mamadi Keita, Mike Touzin, Antoine Simon
  • Patent number: 9200937
    Abstract: A sensor assembly (200) for a vibrating meter (50) is provided. The sensor assembly (200) includes one or more conduits (103A, 103B). The sensor assembly (200) also includes one or more sensor components including one or more of a driver (104), a first pick-off sensor (105), and a second pick-off sensor (105?) coupled to the one or more conduits (103A, 103B). A flexible circuit (201) can be provided that includes a body (202) and one or more sensor component flexures (210-212?). The one or more sensor component flexures can extend from the body (202) and be coupled to a sensor component (104, 105, 105?) of the one or more sensor components.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: December 1, 2015
    Assignee: Micron Motion, Ic.
    Inventors: Christopher A. Werbach, Allan L. Samson
  • Patent number: 9194731
    Abstract: The invention relates to a Coriolis mass flow meter comprising two U-shaped measuring tubes having in each case two outer tube portions and an intermediate central tube portion. It comprises a vibration exciter for the purpose of effecting defined excitation of a movement of the measuring tubes, two vibration sensors for detecting movements of the measuring tubes and also a housing for accommodating at least parts of the measuring tubes. The inlets and outlets are rigidly connected to the housing. A first and a second cross brace, disposed in the region of the tube between its inlets and outlets for the purpose of coupling the two measuring tubes, form the vibration nodes of the measuring tubes. A tube portion of one measuring tube is integrally united with a tube portion of the other measuring tube. Furthermore, the two tube portions are integrally united with parts of the housing or integrally united with of one of the cross braces.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: November 24, 2015
    Assignee: Rota Yokogawa GmbH & Co. KG
    Inventor: Thomas Chatzikonstantinou
  • Patent number: 9175995
    Abstract: An inferential Coriolis mass flowmeter characterized by: a power supply (10); a pressure sensor (11) connected to the power supply (10) and a tube of fluid; a current to voltage converter (13) connected to the pressure sensor (11) for converting a current signal from the pressure sensor (11) to a voltage signal; a controller unit (20) including an analogue to digital converter (21) connected to the current to voltage converter (13) for converting analogue signal from the current to voltage converter (13) to a digital signal, and a microprocessor (22) for processing the digital signal from the analogue to digital converter (21) to determine the mass flowrate of the fluid, wherein the microprocessor (22) is embedded with an algorithm to determine the mass flowrate of a fluid according to equation: y=0.002x4?0.0218x3?0.0865x2?0.8769x?0.0846; a display panel (14) connected to the microprocessor (22); and a transmission circuit (15) connected to the microprocessor (22).
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: November 3, 2015
    Assignee: Universiti Malaya
    Inventor: Mahidzal Dahari
  • Patent number: 9121550
    Abstract: An apparatus and method for estimating a parameter of a fluid flowing in a tubular is disclosed. A source of a primary magnetic field is coupled to the tubular and is configured to induce the primary magnetic field in the fluid to align nuclei of the fluid in the tubular along the primary magnetic field. A transmitter transmits an excitation signal into the fluid. A receiver detects a signal from the aligned nuclei responsive to the excitation signal. A processor estimates the parameter of the fluid from the detected signal. The source of the primary magnetic field is removable from the tubular. A coil may induce a secondary magnetic field to either enhance the strength of the primary magnetic field in the tubular or substantially cancel the primary magnetic field in the tubular, for example, to reduce particle build-up in the tubular.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: September 1, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Joo Tim Ong, Terry R. Bussear, Carl M. Edwards, Graeme S. Young
  • Patent number: 9091581
    Abstract: A first apparent property of a multi-phase process fluid is determined based on the motion of the vibratable flowtube. One or more apparent intermediate values associated with the multi-phase process fluid are determined based on the first apparent property. A measure of wetness of the multi-phase process fluid is determined based on a mapping between one or more of the apparent intermediate values and the measure of wetness. A second apparent property of the multi-phase process fluid is determined using the differential pressure flowmeter. One or more phase-specific properties of the multi-phase process fluid is determined based on the measure of wetness and the second apparent property.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 28, 2015
    Assignee: Invensys Systems, Inc.
    Inventors: Manus P. Henry, Michael S. Tombs
  • Patent number: 9086307
    Abstract: A Coriolis mass flowmeter (1) having at least one curved measuring tube (2), at least one oscillation generator (3), at least one oscillation sensor (4), at least one measuring device electronics (5) and a housing (6). To provide the housing (6) with increased pressure resistance, in particular against external positive pressure, the housing (6) has a first housing shell and a second housing shell, the first housing shell and the second housing shell completely surrounding the measuring tube (2) so as to form at least a first pressure-resistant hollow space around the measuring tube (2), and the first housing shell and the second housing shell forming a bridge (13) between the inlet (10) and the outlet (11) of the measuring tube (2).
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: July 21, 2015
    Assignee: Krohne AG
    Inventors: Yousif Hussain, Christopher Rolph
  • Patent number: 9086308
    Abstract: A method for operating a Coriolis mass flow rate meter and a Coriolis mass flow rate meter including an evaluation device, a measuring tube having a medium flowing therethrough and which is excited so as to perform oscillations, and at least two spaced oscillation pickups spaced apart in the longitudinal direction of the measuring tube to each generate an oscillation signal, wherein a first indicator variable based on the damping of the oscillations of the measuring tube is initially used to detect deposits in the measuring tube and if, based on the first indicator variable, increased damping is established, a second indicator variable is used, which is based on the manifestation of harmonics in the frequency spectrum of an oscillation signal such that reliable detection of deposits and therefore an indication of the state of meters and pipelines in a process engineering installation are advantageously possible.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: July 21, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Thomas Bierweiler, Wolfgang Ens, Felix Hammacher, Henning Lenz
  • Patent number: 9046400
    Abstract: A control and measurement system for a coriolis flowmeter having a flowtube, a driver adapted to vibrate the flowtube, and a pair of sensors adapted to generate signals indicative of movement of the flowtube when it is being vibrated by the driver, wherein the sensors are positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube. A digital drive signal generator is adapted to generate a variable digital drive signal for controlling operation of the driver. The digital drive signal generator can be adapted to cause the driver to resist motion of the flowtube during a first time period and amplify motion of the flowtube during a second time period. The digital drive signal generator can also be adapted to initiate motion of the flowtube by sending one or more square wave signals to the driver.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: June 2, 2015
    Assignee: Invensys Systems, Inc.
    Inventors: Manus P. Henry, David W. Clarke, James H. Vignos
  • Publication number: 20150114137
    Abstract: In some embodiments, an apparatus includes a base structure and a tube. The tube has a first tube portion, a second tube portion substantially parallel to the first tube portion, an inlet portion, and an outlet portion. The tube is configured to have a material pass from the inlet portion to the outlet portion. The apparatus further includes a drive element in contact with the tube. The drive element is configured to vibrate the tube such that the first tube portion conducts vibrational movements out of phase with vibrational movements of the second tube portion. The apparatus also includes a sensing element, at least a portion of which is in contact with the tube. The sensing element is configured to sense deflections of the first tube portion and the second tube portion such that at least one property of the material is determined.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 30, 2015
    Inventors: Michael William Putty, Richard Thayre Smith, Nader Najafi
  • Patent number: 9014997
    Abstract: Drive techniques for a digital flowmeter are described. The drive techniques account for delays caused during digital signal processing of sensor signals that correspond to a motion of a flowtube, as well as drive signals that impart motion to the flowtube. Such delays may be caused by a variety of factors, including delays associated with analog/digital conversion of the signals and/or filtering of the signals. The techniques include open-loop techniques and closed-loop techniques, which can be used separately or together during the start-up and operation of the digital flowmeter.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: April 21, 2015
    Assignee: Invensys Systems, Inc.
    Inventors: Manus P. Henry, Mayela E. Zamora
  • Publication number: 20150082916
    Abstract: Provided is a Coriolis flowmeter capable of achieving suppression of a pressure loss of a manifold and the like. A channel (15) of a manifold (8) includes a pipe-side opening portion (16), tube-side opening portions (17), and a channel branching portion (18) as shaping portions therefor, and the channel sectional area in a range of from the channel branching portion (18) toward the tube-side opening portions (17) is linearly decreased. A branching wall tip end (20) of a branching wall (19) extending from a position of the channel branching portion (18) to the other end of a manifold body (12) is arranged at the channel branching portion (18). The sectional shape of the channel (15) is a circular shape at a position of the pipe-side opening portion (16), and is changed to D-shapes at the position of the channel branching portion (18) by the branching wall tip end (20).
    Type: Application
    Filed: March 13, 2013
    Publication date: March 26, 2015
    Inventors: Norio Sukemura, Takeshi Motomiya
  • Patent number: 8943899
    Abstract: A Coriolis mass flowmeter in which common or even great forces for oscillation excitation can be guaranteed, and at the same time, with which the risk of flashover is reduced in explosion-proof surroundings is implemented in that the actuator assembly (4) has at least a first conductor (11) with windings (12) and at least a second conductor (13) with windings (14), the windings of the conductors being arranged parallel to one another. Also, the first conductor (11) and the second conductor (13) are insulated from one another at least in the area of their windings (12, 14) and the first conductor (11) and the second conductor (13) are connected in such a manner that the first conductor (11) and the second conductor (13) can be supplied with a current in the same manner in the operating state so that a common magnetic field is created.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: February 3, 2015
    Assignee: Krohne AG
    Inventor: Edward Jukes
  • Publication number: 20150027236
    Abstract: An in-line flowmeter for large diameter pipes includes an outer pipe with a diameter equal to that of the pipe to which it is coupled and an inner measuring tube carrying a portion of the flow, the flow through the measuring tube being sensed by a flowmeter associated with the measuring tube and with the total combined flow rate out of the in-line flowmeter calculated from the sensed flow through the measuring tube.
    Type: Application
    Filed: July 24, 2013
    Publication date: January 29, 2015
    Inventor: Jesse Yoder
  • Patent number: 8919181
    Abstract: A multiple flow conduit flow meter (200) is provided according to an embodiment of the invention. The multiple flow conduit flow meter (200) includes a first flow conduit (201) conducting a first flow stream and a pair of first pickoff sensors (215, 215?) affixed to the first flow conduit (201). The multiple flow conduit flow meter (200) further includes at least one additional flow conduit (202) conducting at least one additional flow stream and at least one pair of additional pickoff sensors (216, 216?) affixed to the at least one additional flow conduit (202). The at least one additional flow stream is independent of the first flow stream. The multiple flow conduit flow meter (200) further includes a common driver (220) configured to vibrate both the first flow conduit (201) and the at least one additional flow conduit (202) in order to generate a first vibrational response and at least one additional vibrational response.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: December 30, 2014
    Assignee: Micro Motion, Inc.
    Inventors: Charles Paul Stack, Andrew Timothy Patten, Gregory Treat Lanham, Mark James Bell
  • Publication number: 20140352454
    Abstract: The measuring transducer comprises: a transducer housing (71), of which an inlet-side, housing end is formed by means of an inlet-side, flow divider (201) having four flow openings (201A, 201B, 201C, 201D) and an outlet-side, housing end is formed by means of an outlet-side, flow divider (202) having four flow openings (202A, 202B, 202C, 202D); as well as a tube arrangement having four, curved, or bent, measuring tubes (181, 182, 183, 184) connected to the flow dividers (201, 202) for guiding flowing medium along flow paths connected in parallel, wherein each of the four measuring tubes opens with an inlet-side, measuring tube end into one of the flow openings of the flow divider (201) and with an outlet-side, measuring tube end into one the flow openings of the flow divider (202). The transducer further comprises an exciter mechanism for exciting oscillations of said measuring tube.
    Type: Application
    Filed: April 1, 2014
    Publication date: December 4, 2014
    Applicant: Endress + Hauser Flowtec AG
    Inventors: Christof Huber, Ennio Bitto, Marcel Braun, Alfred Rieder, Christian Schutze
  • Publication number: 20140311255
    Abstract: A single straight tube flowmeter has a body; a tube through which a flow of fluid passes; two systems of excitation of oscillations in two planes which are perpendicular to one another and including adaptor units; a block of processing of information data including a phase shift of the adaptors located in one plane, frequency of oscillations of the tube, and temperatures of the tube and the body and outputting results of measurement of a mass flow rate and density of the fluid; and components for imparting to the tube a rotary motion relative to its neutral immovable position to increase accuracy of measurements by suppressing vibration disturbances.
    Type: Application
    Filed: April 22, 2013
    Publication date: October 23, 2014
    Applicant: ARGOSY TECHNOLOGIES
    Inventors: Peter Mouler, Aleksander Dondoshansky, Andrey Kaloshin
  • Patent number: 8855958
    Abstract: A method for determining at least one characteristic for the correction of measurements of a Coriolis mass flowmeter which is characterized by an increased accuracy and a low error rate while determining the characteristic is implemented by detecting values of a measurand during constant flow with the reading sensors, calculating at least one location parameter from the detected values, an calculating at least one dispersion parameter from the detected values and the location parameter. The detection of additional values and the calculation of the location parameter and dispersion parameter from the existing and additional values is carried out until the dispersion parameter reaches a threshold value, and then, the location parameter corresponding to the dispersion parameter is used as the characteristic for the correction of the reading of the Coriolis mass flowmeter.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: October 7, 2014
    Assignee: Krohne AG
    Inventors: Xue Wang, Yousif Hussain
  • Patent number: 8826744
    Abstract: 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.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: September 9, 2014
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Alfred Rieder, Wolfgang Drahm, Michael Wiesmann, Christof Huber, Martin Anklin
  • Patent number: 8826745
    Abstract: A vibratory flow meter (5) for determining a viscosity of a flow material is provided according to the invention. The vibratory flow meter (5) includes a meter assembly (200) configured to generate a density (p) of a flow material, generate a first mass flow rate (m1) for a first flowtube (210a), and a second mass flow rate (m2) for a second flowtube (210b). The vibratory flow meter (5) further includes a restrictive orifice (252) located in the first flowtube (210a). The restrictive orifice (252) ensures that a first flow rate of the flow material in the first flowtube (210a) is less than a second flow rate of the flow material in the second flowtube (210b).
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: September 9, 2014
    Assignee: Micro Motion, Inc.
    Inventor: Craig Brainerd Van Cleve
  • Patent number: 8826746
    Abstract: A flowmeter having an inlet through which the medium can flow into a measurement zone and having an outlet through which the medium can flow out, wherein a damping device is provided in front of the inlet, and has a first mass which can be flowed through having a first inlet and a first outlet for the medium, a second mass which can be flowed through having a second inlet and a second outlet for the medium as well as a flow connection which is capable of vibration and which connects the first outlet to the second inlet, wherein a minimal flow cross-section (d) of the flow connection is smaller than the inlet cross-section (E) at the first inlet or smaller than the outlet cross-section (A) at the second outlet.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: September 9, 2014
    Assignee: Levitronix GmbH
    Inventors: Mario Haefliger, Natale Barletta
  • Publication number: 20140238149
    Abstract: Motion is induced in a conduit such that the conduit vibrates in a major mode of vibration having a major amplitude and a minor mode of vibration having a minor amplitude. The major amplitude is larger than the minor amplitude, the major mode of vibration has a first frequency of vibration and the minor mode of vibration has a second frequency of vibration, and the minor mode of vibration interferes with the major mode of vibration to cause a beat signal having a frequency related to the first frequency of vibration and the second frequency of vibration. The frequency of the beat signal is determined, and the second frequency of vibration is determined based on the determined frequency of the beat signal.
    Type: Application
    Filed: May 2, 2014
    Publication date: August 28, 2014
    Applicant: Invensys Systems, Inc.
    Inventors: Manus P. Henry, Mihaela D. Duta, Michael S. Tombs
  • Patent number: 8732950
    Abstract: A method for a production of a heat exchanger for an inline measuring device includes the steps of: producing first opening provided for the connection of the heat exchanger to a temperature control piping system in a first sheet part serving for the production of one of the heat exchanger sheets; laying the first sheet part on a second sheet part serving likewise for the production of one of the heat exchanger sheets; producing an edge connection seam and inner connection locations by welding of the two superimposed sheet parts; introducing fluid through a first opening into a chamber remaining between the two sheets; superimposing a static pressure on the fluid in the chamber which exceeds a static pressure of a surrounding atmosphere to such a degree that an expansion of the chamber is initiated; and plastically deforming material of the thinner of the two sheet parts by expanding the chamber by means of the fluid with superimposed pressure.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: May 27, 2014
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Thiérry Moser, Roland Unterseh, Michael Fuchs, Patrick Oudoire
  • Patent number: 8720281
    Abstract: A method and apparatus for operating a vibrating flow meter is provided. The method comprises the steps of receiving sensor signals from the vibrating flow meter and determining a current zero offset for the vibrating flow meter. The current zero offset can be determined based on the received sensor signals. The method also comprises the step of determining one or more current operating conditions. The one or more current operating conditions can be compared to one or more previous operating conditions of the offset correlation. The method also includes the step of generating an average zero offset if the offset correlation includes a previously determined zero offset corresponding to the current operating conditions. The average zero offset can be based on the current zero offset and the previously determined zero offset.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: May 13, 2014
    Assignee: Micro Motion, Inc.
    Inventors: Paul J Hays, Joel Weinstein
  • Patent number: 8695440
    Abstract: A method for operating a vibrating flow meter system is provided. The method includes the step of receiving a first sensor signal from a first vibrating flow meter. A second sensor signal is received from a second vibrating flow meter. A first flow rate is generated from the first sensor signal and a second flow rate is generated from the second sensor signal. The method further includes the step of determining a differential zero offset of the first vibrating flow meter based on the first and second flow rates.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: April 15, 2014
    Assignee: Micro Motion, Inc.
    Inventors: Paul J Hays, Joel Weinstein, Goldino Alves
  • Patent number: 8695439
    Abstract: A dual pick-off vibratory flowmeter (100) is provided according to the invention. The dual pick-off vibratory flowmeter (100) includes a first flowtube (102A) and a second flowtube (102B), with the first and second flowtubes (102A, 102B) configured to be vibrated substantially in opposition. The vibratory flowmeter (100) further includes a first pick-off sensor (108) including first and second pick-off portions (108A, 108B) affixed to the first and second flowtubes (102A, 102B), with the first pick-off sensor (108) being located at a first longitudinal location X along the first and second flowtubes (102A, 102B). The vibratory flowmeter (100) further includes a second pick-off sensor (109) including first and second pick-off portions (109A, 109B) affixed to the first and second flowtubes (102A, 102B), with the second pick-off sensor (109) being located substantially at the first longitudinal location X and substantially spaced-apart from the first pick-off sensor (108).
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: April 15, 2014
    Assignee: Micro Motion, Inc.
    Inventors: Adam LeWinter, Anthony William Pankratz, Roger Scott Loving, Leah Schultze
  • Patent number: 8671779
    Abstract: According to the present invention, a vibrating flow meter and method of operating a vibrating flow meter are provided. The vibrating flow meter includes a conduit (210), at least one pick-off (230, 231), a driven member (250), at least one driver (220), and a base (260). The conduit (210) defines a fluid flow path. The at least one pick-off (230, 231) measures the motion of the conduit (210). The at least one driver (220) vibrates the conduit (210) and the driven member (250) in phase opposition. The base (260) is coupled to the conduit (210) and the driven member (250) and switches between remaining substantially stationary or moving substantially in phase with the conduit (210) or moving substantially in phase with the driven member (250) in order to balance the motion of the conduit (210) and the driven member (250).
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: March 18, 2014
    Assignee: Micro Motion, Inc.
    Inventor: Craig Brainerd Van Cleve
  • Patent number: 8671778
    Abstract: A flow meter (20) including one or more flow tubes (103) and a driver (104A, 104B) adapted to vibrate the one or more flow tubes (103) at a drive frequency is provided. The flow meter (20) comprises a gusset (260). The gusset (260) is coupled to and extends along the flow tube (103) such that a frequency separation between the drive frequency and at least a second vibration frequency is increased.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: March 18, 2014
    Assignee: Micro Motion, Inc.
    Inventors: Christopher Werbach, Gregory Treat Lanham
  • Publication number: 20140069210
    Abstract: A flowmeter has a guide structure that can have medium flowing through it and which preferably operates using the Coriolis principle. To provide a flowmeter that allows a high as possible measuring accuracy with a space requirement that is as small as possible, at least one sensor element is applied on an outer surface of the guide structure for determining and/or monitoring at least one process variable.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 13, 2014
    Applicant: Krohne AG
    Inventors: Yousif Hussain, Christopher Rolph, Tao Wang
  • Patent number: 8607644
    Abstract: A Coriolis mass flowmeter having at least four measuring tubes running parallel, the measuring tubes being joined in pairs into a oscillation unit by being inserted in openings in a holding device (1) and wherein at least part of either a sensor or actuator device is attached to the holding device (1). A Coriolis mass flowmeter that has an increased measuring accuracy is implemented in that the measuring tube central axes (3) of a measuring tube pair span a common plane (E), that the holding device (1) has at least two attachment extensions (4), that the attachment extensions (4) extend across the common plane (E) and that the holding devices (1) with the attachment extensions (4) are mirror symmetric relative to the common plane (E) in respect to their projection viewed in the direction of the measuring tube central axes (3).
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: December 17, 2013
    Assignee: Krohne AG
    Inventors: Yousif Hussain, Tao Wang
  • Patent number: 8596142
    Abstract: 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.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: December 3, 2013
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Christof Huber, Vivek Kumar, Christian Schutze
  • Patent number: 8596143
    Abstract: 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.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: December 3, 2013
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Alfred Rieder, Hao Zhu, Ennio Bitto, Christian Schutze, Christof Huber, Marcel Braun
  • Patent number: 8590399
    Abstract: An apparatus for determining and/or monitoring of at least one flow parameter of a medium, wherein the medium flows through a measuring unit, wherein at least one exciter transducer element is provided, which, based on an exciter signal, excites the measuring unit to mechanical oscillations, and wherein at least one receiver transducer element is provided, which receives mechanical oscillations of the measuring unit as a received signal. The measuring unit has at least one guiding unit and one carrying unit, the medium flows through the guiding unit, the guiding unit and the carrying unit are mechanically coupled with one another, the receiver transducer element and the exciter transducer element are mechanically coupled with the carrying unit, and the receiver transducer element and the exciter transducer element are mechanically coupled indirectly via the carrying unit with the guiding unit.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: November 26, 2013
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Mamadi Keita, Mike Touzin
  • Patent number: 8590400
    Abstract: An apparatus for determining and/or monitoring at least one flow parameter of a medium, wherein the medium flows through at least one measuring tube essentially along an imaginary flow axis, wherein at least one exciter transducer element is provided, which, based on an exciter signal, excites the measuring tube to mechanical oscillations, and wherein at least one receiver transducer element is provided, which receives mechanical oscillations of the measuring tube as a received signal. The invention includes that at least one separating unit is provided, and that the separating unit is embodied and arranged in the measuring tube in such a manner, that at least two sub measuring tubes result in the measuring tube, wherein the medium flows through the at least two sub measuring tubes essentially along the imaginary flow axis.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: November 26, 2013
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Mamadi Keita, Mike Touzin
  • Publication number: 20130291652
    Abstract: A measuring transducer serves for producing vibration signals corresponding to parameters of a flowing medium comprises a measuring transducer housing having housing ends and, extending within the measuring transducer housing between its housing ends, a tube arrangement formed by means of at least two tubes. Of the two tubes, at least one tube serves as a measuring tube conveying flowing medium and the other tube is mechanically connected with the tube by means of a first coupling element to form an inlet-side coupling zone and by means of a second coupling element to form an outlet-side coupling zone. At least the first coupling element has in a region extending between the tubes a slit having at least one closed end. Slit has a maximal slit width and a maximal slit length, which is greater than the maximal slit width. Placed partially within the slit is a connecting element, which contacts a slit edge enclosing said slit.
    Type: Application
    Filed: April 2, 2013
    Publication date: November 7, 2013
    Applicant: Endress + Hauser Flowtec AG
    Inventor: Endress + Hauser Flowtec AG
  • Publication number: 20130283932
    Abstract: The invention relates to a Coriolis mass flow meter with improved zero point stability. The Coriolis mass flow meter has a pair of U-shaped measuring tubes. According to one embodiment of the invention, the Coriolis mass flow meter comprises a special housing for vibration compensation or vibration suppression in the region of the process connectors. Additionally or alternatively, a specific mass distribution of the vibration exciter and/or vibration sensor is provided, in order to neutralize unwanted vibrations by actively causing vibration.
    Type: Application
    Filed: April 22, 2013
    Publication date: October 31, 2013
    Inventor: Rota Yokogawa GmbH & Co. KG