Patents by Inventor Sergej Lopatin
Sergej Lopatin 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: 11408789Abstract: A pressure sensor module, comprising: a pressure measuring cell; and a mounting ring. The pressure measuring cell includes a platform and a measuring membrane, whose front face extends parallel to the rear face of the platform. The mounting ring has a mounting passageway with an inner mounting surface, which defines an inner axial stop plane for mounting the pressure measuring cell, wherein the mounting ring has an outer mounting surface, and the pressure measuring cell is inserted with the rear face preceding into the mounting passageway. The rear face of the platform is adhered with the inner mounting surface, wherein the inner mounting surface has a shoulder, which extends from an inner lateral surface of the mounting ring radially inwards. The mounting surface has between the axial stop surface and the inner lateral surface an annularly surrounding recess, in order to accommodate excess adhesive in the case of the adhering of the axial stop surface with the rear face of the platform.Type: GrantFiled: May 24, 2016Date of Patent: August 9, 2022Assignee: ENDRESS+HAUSER GMBH+CO.KGInventors: Volkmar Rech, Sergej Lopatin, Claudia Nowak
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Patent number: 11255766Abstract: A vibronic sensor for monitoring a flowable medium, comprising: an oscillator to which a medium surrounding the oscillator can be applied; at least one electromechanical transducer for exciting the oscillator to mechanical vibrations in accordance with driver signals and/or for outputting transducer signals that depend on vibrations of the oscillator; an operating and evaluating unit for providing the driver signals for driving the electromechanical transducer, for capturing the transducer signals, and for determining the presence, the density, and/or the viscosity of the medium in accordance with the transducer signals, wherein the operating and evaluating unit is designed to detect whether the medium in the pipe has a flow velocity above a limit value on the basis of time-varying modifications of the transducer signals.Type: GrantFiled: December 2, 2016Date of Patent: February 22, 2022Assignee: ENDRESS + HAUSER SE+CO. KGInventors: Andrea Berlinger, Ingo Buschke, Christof Huber, Peter Klofer, Sergej Lopatin, Torston Pechstein, Thomas Uehlin
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Patent number: 11192276Abstract: The invention relates to a method for manufacturing a sensor element or an active component of a sensor element. The sensor element is applied in a field device of automation technology. The method comprises the following method steps: predetermining at least two materials with different physical and chemical properties depending on a functionality of the sensor element or the active component of the sensor element; predetermining an outer shape, into which the at least two materials should be formed, the outer shape being divided into a plurality of virtual spatial regions, wherein in each virtual spatial region the material distribution of the at least two materials occurs homogeneously and periodically according to predetermined rules corresponding to a microstructure. The method also includes steps of ascertaining the predetermined rules via a computer supported method depending on the predetermined functionality of the sensor element or the active component of the sensor element.Type: GrantFiled: September 28, 2015Date of Patent: December 7, 2021Assignee: Endress+Hauser SE+Co. KGInventors: Sergej Lopatin, Dietmar Spanke, Peter Klofer
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Publication number: 20210025777Abstract: The invention relates to a method for producing a corrosion resistant assembly of a field device for determining or monitoring a physical or chemical process variable of a medium in an automated plant and to a corresponding assembly, wherein the assembly is composed of at least a first component and a second component, wherein the components are connected with one another in a connection region, wherein the first component is composed at least in the connection region of a corrodible material and wherein the second component is composed at least in the connection region of corrosion resistant material or of a corrodible material.Type: ApplicationFiled: July 9, 2018Publication date: January 28, 2021Inventors: Sergej Lopatin, Peter Klöfer
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Publication number: 20200264087Abstract: A vibronic sensor for monitoring a flowable medium, comprising: an oscillator to which a medium surrounding the oscillator can be applied; at least one electromechanical transducer for exciting the oscillator to mechanical vibrations in accordance with driver signals and/or for outputting transducer signals that depend on vibrations of the oscillator; an operating and evaluating unit for providing the driver signals for driving the electromechanical transducer, for capturing the transducer signals, and for determining the presence, the density, and/or the viscosity of the medium in accordance with the transducer signals, wherein the operating and evaluating unit is designed to detect whether the medium in the pipe has a flow velocity above a limit value on the basis of time-varying modifications of the transducer signals.Type: ApplicationFiled: December 2, 2016Publication date: August 20, 2020Inventors: Andrea Berlinger, Ingo Buschke, Christof Huber, Peter Klofer, Sergej Lopatin, Torston Pechstein, Thomas Uehlin
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Patent number: 10619771Abstract: Apparatus for determining and/or monitoring at least one physical or chemical process variable of a medium in a containment comprising at least one sensor element, at least one housing module and at least one flange, wherein the sensor element and the flange are connected with the housing module, wherein the flange in a first portion, which is at least partially media contacting, is manufactured at least partially of a first material, which is selected application specifically, and wherein the flange in a second portion, which is at least partially environment contacting, is manufactured at least partially of a synthetic material.Type: GrantFiled: September 17, 2015Date of Patent: April 14, 2020Assignee: Endress+Hauser SE+Co. KGInventors: Thomas Sulzer, Peter Seefeld, Ulrich Kaiser, Sergej Lopatin, Christof Huber, Peter Klöfer, Mike Touzin
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Patent number: 10591443Abstract: A vibration sensor comprising an oscillatable unit, which is composed of a membrane with an inner surface and an outer surface and, in given cases, at least one oscillatory element secured on the outer surface of the membrane. A transmitting/receiving unit is provided, which with a predetermined exciter frequency excites the oscillatable unit to execute oscillations and which receives oscillations of the oscillatable unit. A control/evaluation unit is provided, which signals reaching of the predetermined fill level or ascertains the density, respectively the viscosity, of the medium. In order to be able to apply the vibration sensor in high temperature applications, a disc shaped element of a magnetostrictive material is provided, which has a force transmitting connection with the inner surface of the membrane. The transmitting/receiving unit is an electromagnetic drive.Type: GrantFiled: July 8, 2014Date of Patent: March 17, 2020Assignee: ENDRESS+HAUSER SE+CO. KGInventors: Sergej Lopatin, Raphael Kuhnen, Dietmar Fruhauf
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Patent number: 10591377Abstract: A pressure transfer module for transfer of pressures less equals 100 mbar, and suitable for high temperature applications, comprising an isolating diaphragm outwardly sealing a first pressure chamber; a transfer diaphragm outwardly sealing a second pressure chamber; and a pressure transfer path connecting the first pressure chamber with the second pressure chamber. The first and the second pressure chambers and the pressure transfer path are filled with a pressure transfer liquid, via which a pressure acting externally on the isolating diaphragm is transmitted to the transfer diaphragm. The pressure transfer liquid is under a pre-pressure, especially a pre-pressure of greater than or equal to 30 mbar, especially greater than or equal to 50 mbar.Type: GrantFiled: May 31, 2016Date of Patent: March 17, 2020Assignee: ENDRESS+HAUSER SE+CO.KGInventors: Dieter Funken, Igor Getman, Sergej Lopatin
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Publication number: 20200033214Abstract: A pressure sensor module, comprising: a pressure measuring cell; and a mounting ring. The pressure measuring cell includes a platform and a measuring membrane, whose front face extends parallel to the rear face of the platform. The mounting ring has a mounting passageway with an inner mounting surface, which defines an inner axial stop plane for mounting the pressure measuring cell, wherein the mounting ring has an outer mounting surface, and the pressure measuring cell is inserted with the rear face preceding into the mounting passageway. The rear face of the platform is adhered with the inner mounting surface, wherein the inner mounting surface has a shoulder, which extends from an inner lateral surface of the mounting ring radially inwards. The mounting surface has between the axial stop surface and the inner lateral surface an annularly surrounding recess, in order to accommodate excess adhesive in the case of the adhering of the axial stop surface with the rear face of the platform.Type: ApplicationFiled: May 24, 2016Publication date: January 30, 2020Inventors: Rech Volkmar, V, Sergej Lopatin, Claudia Nowak
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Publication number: 20190219469Abstract: A simply composed, cost effectively manufacturable, pressure sensor is described, comprising a platform, an electrically conductive measuring membrane connected with the platform to enclose a pressure chamber and contactable with a pressure to be measured, and an electrode spaced from the measuring membrane and electrically insulated from the measuring membrane to form together with the measuring membrane a capacitor with a capacitance variable as a function of a deflection of the measuring membrane dependent on the pressure acting on the measuring membrane, wherein the platform has an inner surface bounding the pressure chamber and lying opposite the measuring membrane, wherein an insulating layer is provided on the inner surface, especially an insulating layer of silicon dioxide, and the electrode is a conductive coating, especially a coating of doped polysilicon, applied on the inner surface on the insulating layer.Type: ApplicationFiled: November 9, 2016Publication date: July 18, 2019Inventors: Peter Nommensen, Rafael Teipen, Benjamin Lemke, Sergej Lopatin
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Patent number: 10330514Abstract: Apparatus for monitoring a predetermined fill level of a medium in a container, including a mechanically oscillatable unit, a driving/receiving unit for exciting the mechanically oscillatable unit to execute mechanical oscillations and for receiving the oscillations of the mechanically oscillatable unit, and an electronics unit for producing an electrical exciter signal and for evaluating an electrical, received signal.Type: GrantFiled: February 22, 2013Date of Patent: June 25, 2019Assignee: ENDRESS+HAUSER SE+CO.KGInventors: Sergej Lopatin, Sascha D'Angelico, Volker Dreyer, Alexander Muller
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Patent number: 10107670Abstract: An apparatus for determining and/or monitoring at least one process variable of a medium in a container comprising an oscillatable unit for introduction into the container; a housing, wherein the oscillatable unit is connected with the housing such that the oscillatable unit closes the housing terminally; at least one hollow space in the oscillatable unit which is accessible from an inner space formed by the housing; and a driving/receiving unit for exciting the oscillatable unit to execute mechanical oscillations and for receiving the mechanical oscillations and for transducing them into an electrical, received signal. Inventive features including that the driving/receiving unit is present in such a manner in the hollow space and that the hollow space is filled with a potting material in such a manner that the driving/receiving unit is connected via the potting material for force coupling with a wall of the hollow space.Type: GrantFiled: December 17, 2012Date of Patent: October 23, 2018Assignee: ENDRESS+HAUSER SE+CO.KGInventors: Volker Dreyer, Sergej Lopatin, Benjamin Mack, Alexander Muller, Helmut Pfeiffer
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Publication number: 20180299340Abstract: A pressure transfer module for transfer of pressures, less equals 100 mbar, and suitable for high temperature applications, comprising an isolating diaphragm outwardly sealing a first pressure chamber; a transfer diaphragm outwardly sealing a second pressure chamber; and a pressure transfer path connecting the first pressure chamber with the second pressure chamber. The first and the second pressure chambers and the pressure transfer path are filled with a pressure transfer liquid, via which a pressure acting externally on the isolating diaphragm is transmitted to the transfer diaphragm. The pressure transfer liquid is under a pre-pressure, especially a pre-pressure of greater than or equal to 30 mbar, especially greater than or equal to 50 mbar.Type: ApplicationFiled: May 31, 2016Publication date: October 18, 2018Inventors: Dieter Funken, Igor Getman, Sergej Lopatin
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Publication number: 20180180504Abstract: A pressure-measuring sensor having an electrically-conductive separating diaphragm closing off an interior chamber of the pressure-measuring sensor to the outside, to whose exterior surface a liquid medium under pressure can be applied, and having a device for detecting a diaphragm rupture of the separating diaphragm. At least one electrode is arranged on an interior surface of the separating diaphragm which faces the interior chamber, said electrode being electrically insulated from the separating diaphragm by an insulating layer arranged between the electrodes and the separating diaphragm and mechanically connected to the separating diaphragm, a measuring circuit is connected to a capacitor formed by the separating diaphragm and the electrode, said measuring circuit measuring and monitoring a measured variable dependent upon an electrical property of the capacitor, which is changed by a medium penetrating into the area of the capacitor when a diaphragm rupture of the separating diaphragm occurs.Type: ApplicationFiled: November 18, 2015Publication date: June 28, 2018Inventors: Thomas Uehlin, Peter Klöfer, Sergej Lopatin
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Patent number: 9995617Abstract: An apparatus for determining and/or monitoring at least one process variable of a medium in a container, comprising: a mechanically oscillatable unit; an electrodynamic transducer unit for exciting the oscillatable unit by means of an exciter signal to execute mechanical oscillations and for receiving the mechanical oscillations of the oscillatable unit and transducing them into an electrical, received signal; and an electronics unit, which at least determines and/or monitors the process variable based on the received signal. The invention is distinguished by features including that the electrodynamic transducer unit has exactly one coil, which serves both as a drive element as well as also a receiving element.Type: GrantFiled: November 22, 2012Date of Patent: June 12, 2018Assignee: Endress + Hauser GmbH + Co. KGInventors: Alexander Muller, Sergej Lopatin, Tobias Brengartner
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Patent number: 9989398Abstract: A device for determining a predetermined fill level of a liquid in a container, with a sensor unit, comprising a unit capable of oscillating mechanically, a transmitter unit, and a receiver unit, which is electrically and mechanically coupled to the transmitter unit, and which transduces the oscillation of the unit capable of oscillating into an electrical receiving signal. An electronic unit, comprising a regulating unit, which regulates a phase difference that exists between the electrical transmission signal and electrical receiving signal to a determined value at which the unit capable of oscillating conducts oscillations at a resonant frequency, and which forms an oscillation circuit with the transmitter unit, receiving unit and the unit capable of oscillating.Type: GrantFiled: July 11, 2011Date of Patent: June 5, 2018Assignee: ENDRESS + HAUSER GMBH + CO. KGInventors: Sascha D'Angelico, Sergej Lopatin, Franco Ferraro
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Publication number: 20170315010Abstract: A field device used in process and/or automation engineering for monitoring at least one chemical or physical process variable of a medium in a component carrying a medium at least partially and temporarily and comprising at least an electronic unit and a sensor unit. At least one portion of at least one component of the sensor unit is in contact with the medium at least temporarily. The at least one portion of the component in contact with the medium is provided with a chemically resistant multilayered coating consisting of at least two layers, wherein a first layer is made of a material consisting of a densely packed atomic arrangement which provides a protection against corrosion by said medium, and a second layer consisting of a chemically resistant plastic material is arranged around the first layer and protects the first layer against outer damage and corrosion.Type: ApplicationFiled: August 19, 2015Publication date: November 2, 2017Inventors: Thomas Sulzer, Peter Seefeld, Sergej Lopatin, Mike Touzin, Igor Getman, Dieter Funken
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Publication number: 20170298490Abstract: A method for manufacturing a composite material, a sensor element or an active component of a sensor element. The sensor element is applied in a field device of automation technology. At least two materials with different physical and chemical properties are predetermined depending on a functionality of the sensor element or the active component of the sensor element. An outer shape, into which the at least two materials should be formed, is predetermined. The outer shape is divided into a plurality of virtual spatial regions, wherein in each virtual spatial region the material distribution of the at least two materials occurs homogeneously and periodically according to predetermined rules corresponding to a microstructure.Type: ApplicationFiled: September 28, 2015Publication date: October 19, 2017Inventors: Sergej Lopatin, Dietmar Spanke, Peter Klofer
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Publication number: 20170234467Abstract: Apparatus for determining and/or monitoring at least one physical or chemical process variable of a medium in a containment comprising at least one sensor element, at least one housing module and at least one flange, wherein the sensor element and the flange are connected with the housing module, wherein the flange in a first portion, which is at least partially media contacting, is manufactured at least partially of a first material, which is selected application specifically, and wherein the flange in a second portion, which is at least partially environment contacting, is manufactured at least partially of a synthetic material.Type: ApplicationFiled: September 17, 2015Publication date: August 17, 2017Inventors: Thomas Sulzer, Peter Seedfeld, Ulrich Kaiser, Sergej Lopatin, Christof Huber, Peter Klöfer, Mike Touzin
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Patent number: 9448097Abstract: An apparatus for determining and/or monitoring at least one process variable of a medium in a container which comprises a mechanically oscillatable structure, which has at least one oscillation characteristic dependent on the process variable, an electromechanical transducer having at least one piezoelectric element, which excites the structure, by means of an excitation signal supplied to the transducer, to execute mechanical oscillations, and which converts the resulting oscillations of the structure into a received signal, which corresponds to a superpositioning of the excitation signal and a wanted signal representing the oscillation.Type: GrantFiled: June 20, 2011Date of Patent: September 20, 2016Assignee: ENDRESS + HAUSER GMBH + CO. KGInventors: Sergej Lopatin, Martin Urban