Patents by Inventor Peter Seefeld
Peter Seefeld 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: 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: 10584990Abstract: A method for operating a measuring apparatus, comprising the steps as follows: ascertaining a flow velocity; comparing the ascertained flow velocity with a threshold value, which corresponds to a critical loading, especially to a resonant frequency, of a measuring apparatus immersion body protruding into the flow; and outputting a report, which signals reaching of a critical flow and/or frequency.Type: GrantFiled: November 3, 2014Date of Patent: March 10, 2020Assignee: ENDRESS + HAUSER WETZER GMBH + CO. KGInventors: Pavo Vrdoljak, Peter Seefeld
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Patent number: 10495526Abstract: The invention relates to an apparatus for the calibration of a thermometer in situ, wherein the apparatus has a temperature sensor (S) for determining a temperature (T); wherein a reference element (K) is provided for calibrating the temperature sensor (S); wherein the reference element (K) at least partially comprises a ferroelectric material (D), which experiences a phase transformation at at least one predetermined temperature (TPh) in a temperature range relevant for calibrating the temperature sensor (S).Type: GrantFiled: June 19, 2015Date of Patent: December 3, 2019Assignee: ENDRESS + HAUSER WETZER GMBH + CO. KGInventors: Marc Schalles, Dirk Boguhn, Peter Seefeld, Reinhard Buchner
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Patent number: 9995639Abstract: A sensor element, comprising first and second measuring paths, wherein the first measuring path extends via a first segment of a first material and the second measuring path at least partially extends via this first segment of the first material, wherein the second measuring path extends additionally via a second segment, which is composed of a second material different from the first material.Type: GrantFiled: December 6, 2013Date of Patent: June 12, 2018Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventor: Peter Seefeld
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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: 20170059372Abstract: A method for operating a measuring apparatus, comprising the steps as follows: ascertaining a flow velocity comparing the ascertained flow velocity with a threshold value, which corresponds to a critical loading, especially to a resonant frequency, of a measuring apparatus immersion body protruding into the flow; and outputting a report, which signals reaching of a critical flow and/or frequency.Type: ApplicationFiled: November 3, 2014Publication date: March 2, 2017Inventors: Pavo Vrdoljak, Peter Seefeld
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Publication number: 20160161934Abstract: A system for use in automation technology, comprising: field devices for measuring and/or controlling a process variable, a server that is connected with the field devices holding a life-list with the field devices that are connected with the server, wherein the life-list contains information for the field devices that is required for establishing a connection with the field devices, and an operator device with not less than one first communication interface, wherein the first communication interface may be used for establishing a connection with the server, in order to retrieve the life-list and the information needed for establishing connections on the operator device, so that a data connection between the operator device and a field device listed in the life-list is possible according to the information.Type: ApplicationFiled: December 3, 2015Publication date: June 9, 2016Inventors: Bjorn Haase, Peter Seefeld, Joachim Schroder, Markus Hoh
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Publication number: 20160047699Abstract: A sensor element comprising a measuring path, which is isolated by a dielectric from a reference element, which is composed of a material, which at a predetermined temperature experiences a phase transition, which changes the electrical conductivity of the material.Type: ApplicationFiled: December 6, 2013Publication date: February 18, 2016Inventor: Peter Seefeld
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Publication number: 20150316423Abstract: A sensor element, comprising first and second measuring paths, wherein the first measuring path extends via a first segment of a first material and the second measuring path at least partially extends via this first segment of the first material, wherein the second measuring path extends additionally via a second segment, which is composed of a second material different from the first material.Type: ApplicationFiled: December 6, 2013Publication date: November 5, 2015Inventor: Peter Seefeld
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Publication number: 20150285693Abstract: The invention relates to an apparatus for the calibration of a thermometer in situ, wherein the apparatus has a temperature sensor (S) for determining a temperature (T); wherein a reference element (K) is provided for calibrating the temperature sensor (S); wherein the reference element (K) at least partially comprises a ferroelectric material (D), which experiences a phase transformation at at least one predetermined temperature (TPh) in a temperature range relevant for calibrating the temperature sensor (S).Type: ApplicationFiled: June 19, 2015Publication date: October 8, 2015Inventors: Marc SCHALLES, Dirk BOGUHN, Peter SEEFELD, Reinhard BUCHNER
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Patent number: 9091601Abstract: The invention relates to an apparatus for the calibration of a thermometer in situ, wherein the apparatus has a temperature sensor (S) for determining a temperature (T); wherein a reference element (K) is provided for calibrating the temperature sensor (S); wherein the reference element (K) at least partially comprises a ferroelectric material (D), which experiences a phase transformation at least one predetermined temperature (TPh) in a temperature range relevant for calibrating the temperature sensor (S).Type: GrantFiled: August 25, 2011Date of Patent: July 28, 2015Assignee: ENDRESS + HAUSER WETZER GMBH + CO. KGInventors: Marc Schalles, Dirk Boguhn, Peter Seefeld, Reinhard Buchner
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Patent number: 9074946Abstract: A thermometer with protective tube inner part for insertion into a protective tube, especially a protective tube of a thermometer, wherein the protective tube inner part serves for arranging conductor elements, and wherein the protective tube inner part is matched to the shape of the inside of the protective tube in the region of a closed, protective tube end, and wherein the protective tube inner part serves to arrange the conductor elements on the side of the protective tube inner part facing the protective tube in the installed state.Type: GrantFiled: December 8, 2011Date of Patent: July 7, 2015Assignee: ENDRESS + HAUSER WETZER GMBH + CO. KGInventors: Dieter Schmidt, Peter Seefeld, Alfred Umkehrer, Wilfried Meissner, Helmut Kalteis
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Patent number: 9074945Abstract: A temperature measuring insert composed of ceramic or sintered materials of magnesium oxide or aluminum oxide accomodates, on its end facing the measured medium, temperature sensor elements, such as thermocouples and temperature measuring resistors, as a measuring tip, installable singly or with others in metal or ceramic protective tubes. The site of the measuring tip, a water adsorption behavior differing from the remaining measuring insert material is present, in order to protect the temperature sensor elements in the case of rapid process related temperature changes, in order to prevent, in the case of heating, effects due to superheated steam.Type: GrantFiled: November 9, 2010Date of Patent: July 7, 2015Assignee: ENDRESS + HAUSER WETZER GMBH + CO. KGInventors: Wilfried Meissner, Helmut Kalteis, Peter Seefeld
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Publication number: 20140321508Abstract: A resistance temperature sensor with a first temperature sensor element and a second temperature sensor element, wherein the first temperature sensor element comprises a first measuring path and the second temperature sensor element a second measuring path, wherein the first and the second measuring paths extend on a substrate, wherein the substrate has an anisotropic thermal expansion with at least two mutually differing expansion directions (a, c), and wherein a projection of the first measuring path on the expansion directions (a) differs from a projection of the second measuring path on the expansion directions (c).Type: ApplicationFiled: July 7, 2014Publication date: October 30, 2014Inventors: Reinhard Buchner, Peter Seefeld
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Patent number: 8777657Abstract: An apparatus for connecting a measuring transducer with a control/evaluation unit, wherein at least one clamping apparatus is placed on a molded part. The clamping apparatus serves for producing a connection between at least one connecting line of the measuring transducer and at least one connecting line of the control/evaluation unit, wherein a soldering tab is provided, which serves for producing a soldered connection between the connecting line of the measuring transducer and the clamping apparatus, and wherein the soldering tab is embodied at least partially in such a manner so as, and serves, to damp possibly occurring vibrations.Type: GrantFiled: March 23, 2011Date of Patent: July 15, 2014Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventors: Torsten Iselt, Peter Seefeld
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Patent number: 8777484Abstract: A resistance temperature sensor with a first temperature sensor element and a second temperature sensor element, wherein the first temperature sensor element comprises a first measuring path and the second temperature sensor element a second measuring path, wherein the first and the second measuring paths extend on a substrate, wherein the substrate has an anisotropic thermal expansion with at least two mutually differing expansion directions (a, c), and wherein a projection of the first measuring path on the expansion directions (a) differs from a projection of the second measuring path on the expansion directions (c).Type: GrantFiled: June 23, 2011Date of Patent: July 15, 2014Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventors: Peter Seefeld, Reinhard Buchner
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Publication number: 20130343429Abstract: A temperature measuring apparatus comprising at least one measuring element, a jacket, in which the measuring element is arranged, wherein the measuring element includes a thermocouple, which is composed of at least two thermocouple wires connected with one another at a height of a measuring point along the longitudinal axis of the jacket. The thermocouple wires extend a first distance along the longitudinal axis of the jacket at least up to the measuring point, and wherein the measuring element includes, furthermore, at least two connection wires, which extend a second distance on the side of the measuring point lying opposite the thermocouple wires along the longitudinal axis of the jacket and are connected with the thermocouple wires, wherein the two connection wires are composed of a material, which differs from that of the thermocouple wires.Type: ApplicationFiled: June 25, 2013Publication date: December 26, 2013Inventors: Helmut Kalteis, Peter Seefeld
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Publication number: 20130034987Abstract: An apparatus for connecting a measuring transducer with a control/evaluation unit, wherein at least one clamping apparatus is placed on a molded part. The clamping apparatus serves for producing a connection between at least one connecting line of the measuring transducer and at least one connecting line of the control/evaluation unit, wherein a soldering tab is provided, which serves for producing a soldered connection between the connecting line of the measuring transducer and the clamping apparatus, and wherein the soldering tab is embodied at least partially in such a manner so as, and serves, to damp possibly occurring vibrations.Type: ApplicationFiled: March 23, 2011Publication date: February 7, 2013Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Torsten Iselt, Peter Seefeld
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Publication number: 20120250725Abstract: A temperature measuring insert composed of ceramic or sintered materials of magnesium oxide or aluminum oxide accommodates, on its end facing the measured medium, temperature sensor elements, such as thermocouples and temperature measuring resistors, as a measuring tip, installable singly or with others in metal or ceramic protective tubes. The site of the measuring tip, a water adsorption behavior differing from the remaining measuring insert material is present, in order to protect the temperature sensor elements in the case of rapid process related temperature changes, in order to prevent, in the case of heating, effects due to superheated steam.Type: ApplicationFiled: November 9, 2010Publication date: October 4, 2012Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Wilfried Meissner, Helmut Kalteis, Peter Seefeld
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Publication number: 20120147923Abstract: A thermometer with protective tube inner part for insertion into a protective tube, especially a protective tube of a thermometer, wherein the protective tube inner part serves for arranging conductor elements, and wherein the protective tube inner part is matched to the shape of the inside of the protective tube in the region of a closed, protective tube end, and wherein the protective tube inner part serves to arrange the conductor elements on the side of the protective tube inner part facing the protective tube in the installed state.Type: ApplicationFiled: December 8, 2011Publication date: June 14, 2012Applicant: Endress + Wetzer GmbH + Co. KGInventors: Dieter Schmidt, Peter Seefeld, Alfred Umkehrer, Wilfried Meissner, Helmut Kalteis