Patents Assigned to Endress + Hauser Wetzer GmbH + Co. KG
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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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Patent number: 8351680Abstract: The invention relates to a method for servicing and/or monitoring a field device (1) of process and automation technology. The invention includes that at least one photograph is taken of at least one section (2) of the field device (1), that the photograph is evaluated and/or processed in such a manner, that there results at least one piece of information concerning an access location (11) for field device data related to the field device (1), and/or information for identification of the field device (1), that a request for data is made to the access location (11), and that, in response to the request for data, field device data are supplied. Furthermore, the invention concerns a corresponding field device.Type: GrantFiled: October 15, 2007Date of Patent: January 8, 2013Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventor: Helmut Kalteis
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Publication number: 20120261004Abstract: An installation assembly with an assembly housing for accommodating at least one rod-shaped measuring insert, wherein the assembly housing has tubular first and second housing parts wherein, for accommodating the measuring insert, a first safety chamber is provided in the first housing part and a second safety chamber in the second housing part; wherein the first housing part has a process connection and wherein the first housing part is connected with the second housing part on a side of the process connection facing away from the first housing part; and wherein a seal-off apparatus is provided, which, in the case of a measuring insert introduced into the assembly housing, serves to seal off the second safety chamber from the first safety chamber, especially in a pressure-tight and/or liquid-tight manner.Type: ApplicationFiled: November 12, 2010Publication date: October 18, 2012Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventor: Michele Pietroni
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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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Patent number: 8279632Abstract: An apparatus for transfer of electrical energy between a primary side and a secondary side. The apparatus includes: at least one voltage input on the primary side; at least one transformer, wherein the transformer has on the primary side at least a first winding area and a second winding area; and at least one voltage monitoring unit, wherein the voltage monitoring unit is embodied in such a manner, that it connects the voltage input with the first winding area or the second winding area as a function of a primary voltage present at the voltage input.Type: GrantFiled: February 11, 2009Date of Patent: October 2, 2012Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventor: Markus Wohrle
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Patent number: 8231266Abstract: An apparatus for ascertaining and/or monitoring at least one temperature. The apparatus includes, according to a first variable, at least one temperature sensor, at least one reference temperature sensor and at least one heating/cooling unit, which is thermally coupled with the temperature sensor and with the reference temperature sensor. According to a second variant, the invention includes that at least one reference temperature sensor and the temperature sensor and the reference temperature sensor are embodied and placed in such a manner that they measure essentially the same temperature. At least one head transmitter is provided, which connects the temperature sensor and the reference temperature sensor with the head transmitter in such a manner that the head transmitter receives the data measured by the temperature sensor and the reference temperature sensor. At least one memory unit is provided, in which the measured data of the temperature sensor and the reference temperature sensor are storable.Type: GrantFiled: July 13, 2006Date of Patent: July 31, 2012Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventor: Stefan Schulze
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Publication number: 20120051389Abstract: 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: ApplicationFiled: August 25, 2011Publication date: March 1, 2012Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Marc Schalles, Dirk Boguhn, Peter Seefeld, Reinhard Buchner
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Patent number: 8089386Abstract: For a conventional 2-conductor communication connection, which includes a sensor, a measurement transmitter and a control unit, an isolation unit is provided, which serves for transmission of digital signals, which are not transmitted by the measurement transmitter. Thus, in the case of a conventional 2-conductor communication connection, digital communication between the sensor and the control unit becomes possible.Type: GrantFiled: July 16, 2007Date of Patent: January 3, 2012Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventors: Michael Konrad, Michael Korn
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Publication number: 20110317741Abstract: 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: June 23, 2011Publication date: December 29, 2011Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Peter SEEFELD, Reinhard BUCHNER
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Patent number: 8043001Abstract: An apparatus and method for determining and/or monitoring at least one temperature, the apparatus including: a first and a second temperature sensor; a measurement transmitter; wherein the measurement transmitter has four terminals for electrical connection of electric lines; and five electric lines. The first temperature sensor is connected with three terminals of the measurement transmitter via three electric lines the three electric lines are connected with the first temperature sensor and with the measurement transmitter in such a manner that, via a 3-line circuit, a value of the electric resistance of at least one of the three lines can be obtained; and the second temperature sensor is connected with two terminals of the measurement transmitter via two electric lines.Type: GrantFiled: June 8, 2006Date of Patent: October 25, 2011Assignee: Endress + Hauser Wetzer GmbH Co. KGInventor: Alfred Umkehrer
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Publication number: 20110169184Abstract: Method for manufacturing a measuring apparatus for determining and/or monitoring at least one process variable. At least one sensor element is inserted into an at least partially pot-shaped mold, and the mold is at least partially filled with a casting material composed at least of a first component and a second component. The mold is filled with the casting material, at least partially, with at least the following steps at least one predeterminable amount of the first component of the casting material is charged into the mold; at least one predeterminable amount of the second component of the casting material is charged into the mold; and the mold is vibrated and/or caused to oscillate with a predeterminable frequency. Furthermore, a method for filling an at least partially pot-shaped mold is disclosed.Type: ApplicationFiled: August 6, 2009Publication date: July 14, 2011Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Dirk Boguhn, Torsten Iselt
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Publication number: 20110153037Abstract: A method for operating a system of field devices, wherein the system has at least two field devices, and wherein the field devices especially are measuring devices and/or actuators and/or display devices. A second field device is activated by a first field device, and that, in the case of a successful activation of a field device different from the first field device, the first field device is deactivated.Type: ApplicationFiled: August 6, 2009Publication date: June 23, 2011Applicant: ENDRESS+HAUSER WETZER GMBH+CO. KGInventors: Stephan Konrad, Rainer Pollath
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Patent number: 7886579Abstract: A portable sampler for use in an explosion-endangered area, having a housing, in which at least the following components are arranged: a pump unit having a first drive unit, a sensor for determining the amount of sample supplied from the pump unit, a control unit, which controls the taking of a desired amount of sample and the filling thereof into at least one container, and at least one power supply unit, which provides the power for driving the first drive unit, the sensor and the control unit, The following components: the control unit, the power supply unit, the first drive unit and the sensor, are modularly constructed, and each such module is embodied such that it satisfies a specified ignition protection type.Type: GrantFiled: October 8, 2004Date of Patent: February 15, 2011Assignee: Endress + Hauser Wetzer GmbH + Co. KGInventors: Peter Zinth, Wolfgang Steidle, Tobias Stuckl
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Publication number: 20100321955Abstract: An apparatus for transfer of electrical energy between a primary side and a secondary side. The apparatus includes: at least one voltage input on the primary side; at least one transformer, wherein the transformer has on the primary side at least a first winding area and a second winding area; and at least one voltage monitoring unit, wherein the voltage monitoring unit is embodied in such a manner, that it connects the voltage input with the first winding area or the second winding area as a function of a primary voltage present at the voltage input.Type: ApplicationFiled: February 11, 2009Publication date: December 23, 2010Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventor: Markus Wohrle
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Publication number: 20100254465Abstract: An apparatus for transmission of electrical energy and data between a primary side and a secondary side. At least one transferring unit is provided between the primary side and the secondary side, that, on the secondary side, at least a first data channel is provided, which has at least one address, that, on the primary side, at least one frequency control unit is provided, which is embodied in such a manner that the frequency control unit sets the working frequency of the transferring unit corresponding to data to be transferred and/or corresponding to the addressing of at least the first data channel, that, on the secondary side, at least one load setting unit is provided, which is embodied in such a manner that the load setting unit sets the electrical load, which lies on the secondary side on the transferring unit, corresponding to data to be transferred and/or corresponding to the address at least of the first data channel.Type: ApplicationFiled: December 9, 2008Publication date: October 7, 2010Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Markus Wohrle, Michael Warnking
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Publication number: 20100208769Abstract: An apparatus for determining and/or monitoring temperature, having: at least one housing, which has at least one inner space; and at least one cable duct for inserting at least one cable into an inner space of the housing; wherein the cable duct has at least one cable entrance and one cable exit opening into an inner space of the housing. The cable duct and the inner space of the housing are embodied and matched to one another in such a manner that the cable to be inserted in the cable duct extends essentially tangentially into the inner space of the housing, and is guided essentially radially in the inner space of the housing.Type: ApplicationFiled: July 11, 2008Publication date: August 19, 2010Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Andreas Martin, Detlef Schuttenberg
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Publication number: 20100172107Abstract: An apparatus for determining and/or monitoring at least one process variable. The apparatus comprises at least one housing, which has at least a housing lower part and a housing lid. The housing lower part and the housing lid are connected together by at least one connecting element.Type: ApplicationFiled: June 4, 2008Publication date: July 8, 2010Applicant: Endress+Hauser Wetzer GmbH+Co. KGInventors: Georg Wolf, Detlef Schuttenberg, Andreas Martin
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Publication number: 20100169816Abstract: A field device is able to diagnose a broad spectrum of possible faults and/or states, and includes: structure for performing user defined, diagnostic methods; which has an input circuit, via which at least one input variable is fed to the structure; which has an evaluation unit, which serves for deriving, on the basis of at least one input variable selected by the user and at least one evaluating method selected by the user, at least one characterizing variable; which has a monitoring unit, which monitors the derived characterizing variables on the basis of monitoring criteria selected by the user; and which has an output unit, which, upon the meeting of a monitoring criterion, outputs a diagnosis associated with such monitoring criterion; and an interface, via which a user selects the input variables for each user defined diagnostic method, selects the evaluating methods to apply to the input variables, selects the monitoring criteria, and specifies the diagnosis.Type: ApplicationFiled: June 4, 2008Publication date: July 1, 2010Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventors: Manfred Hammer, Dietmar Spanke, Herbert Schroth
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Publication number: 20100150425Abstract: The invention relates to a method for servicing and/or monitoring a field device (1) of process and automation technology. The invention includes that at least one photograph is taken of at least one section (2) of the field device (1), that the photograph is evaluated and/or processed in such a manner, that there results at least one piece of information concerning an access location (11) for field device data related to the field device (1), and/or information for identification of the field device (1), that a request for data is made to the access location (11), and that, in response to the request for data, field device data are supplied. Furthermore, the invention concerns a corresponding field device.Type: ApplicationFiled: October 15, 2007Publication date: June 17, 2010Applicant: Endress + Hauser Wetzer GmbH + Co. KGInventor: Helmut Kalteis
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Publication number: 20100132457Abstract: An apparatus for determining and/or monitoring at least one measured variable. The apparatus includes: at least one measuring unit; and at least one securement unit for holding the measuring unit in contact with an object. The securement unit is embodied in such a manner, that the securement unit has at least two stable shape states, wherein, for transition between the at least two states, application of a mechanical force to the securement unit is required.Type: ApplicationFiled: June 4, 2008Publication date: June 3, 2010Applicant: Endress +Hauser Wetzer GmbH + Co. KGInventor: Dieter Schmidt