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Krohne Messtechnik Gmbh patents


Recent patent applications related to Krohne Messtechnik Gmbh. Krohne Messtechnik Gmbh is listed as an Agent/Assignee. Note: Krohne Messtechnik Gmbh may have other listings under different names/spellings. We're not affiliated with Krohne Messtechnik Gmbh, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Krohne Messtechnik Gmbh-related inventors


Fill level switch and method for determining a limit level of a medium in a container

A fill level switch for determining a level limit of a medium in a container, has a sensor unit having an antenna unit, a process window for protecting the sensor unit and for connection to a container wall, an electronic unit and a sensor housing. The antenna unit has at least a first emitting element for emitting a first electromagnetic transmission signal, at least a feed line, at least a reference surface having a reference potential and at least a dielectric layer, wherein the dielectric layer is arranged between the reference surface and the emitting element. ... Krohne Messtechnik Gmbh

Electrical function group

An electrical function group with a control device and a first voltage regulator, the control device having a supply voltage input, the first voltage regulator having a first supply voltage input and a first supply voltage output and being designed for connection to a supply voltage source via the first supply voltage input and to supply the control device via the first supply voltage output, the first supply voltage output and the supply voltage input being connected together. A second voltage regulator is also provided having a second supply voltage input and a second supply voltage output, the second voltage regulator being designed to be connected to the supply voltage source via the second supply voltage input and to supply the first voltage regulator and the control device via the second supply voltage output, the second supply voltage output and the first supply voltage input being connected to one another.. ... Krohne Messtechnik Gmbh

Method for operating an inductive conductivity measuring device and respective inductive conductivity measuring device

A method for operating an inductive conductivity measuring device that has a transmitting coil with an input and a receiving coil, the transmitting coil and the receiving coil being inductively coupled to one another by an electrically conductive medium. An electrical preset alternating signal is generated and fed to the input of the transmitting coil. ... Krohne Messtechnik Gmbh

Method for operating a coriolis mass flowmeter and coriolis mass flowmeter

A method for operating a coriolis mass flowmeter having at least one measuring tube, at least one oscillation generator, at least two oscillation sensors, and at least one control and evaluation unit, the oscillation generator and the oscillation sensors being arranged on the measuring tube, wherein the measuring tube has a medium flowing through it, wherein the oscillation generator puts the measuring tube into a harmonic oscillation with the excitation frequency f0 and the excitation amplitude a0, wherein the first and the second oscillation sensors detect the oscillation of the measuring tube and wherein the first oscillation sensor forwards the oscillation to the control and evaluation unit as first measuring signal and wherein the second oscillation sensor forwards the oscillation to the control and evaluation unit as second measuring signal, and wherein at least one comparison measurement signal is determined from the first measuring signal and/or the second measuring signal.. . ... Krohne Messtechnik Gmbh

Method and measuring device for determining a property of a medium

A method for determining a property of a medium, wherein an excitation signal is generated and transmitted into the medium, a measuring signal is generated from the excitation signal transmitted into the medium, the measuring signal is measured, an amplitude of the excitation signal and an amplitude of the measuring signal are determined, and the property of the medium is determined using the amplitude of the excitation signal and the amplitude of the measuring signal. To provide a method in which the accuracy of determination of the property of the medium is improved, the amplitude of the excitation signal is determined by digitizing the excitation signal and applying a lock-in method to the digitized excitation signal and determining the amplitude of the measuring signal by digitizing the measuring signal and applying the lock-in method to the digitized measuring signal.. ... Krohne Messtechnik Gmbh

Fill level switch arrangement and method for determining the fill level of a medium

A fill level switch arrangement (1) for determining the fill level of a medium (2) in a container (3) and a method for determining the fill level of a medium (2) in a container (3) using a fill level switch arrangement (1). The fill level switch arrangement (1) has at least one alarm threshold that can be implemented in a simplified manner due to the fill level switch arrangement (1) having a transmitting element (4) and a receiving element (5), wherein the transmitting element (4) is used for transmitting a radio signal and is operatively connected to the receiving element (4), wherein the receiving element (5) is configured to detect radio signals, and wherein the receiving element (5) is configured such that it generates and transmits a switching signal in the event of a change in the received radio signal caused by the medium (2).. ... Krohne Messtechnik Gmbh

Method for operating a measuring unit and measuring unit

A method for operating a measuring unit having at least one parameter sensor, at least a position sensor and/or an acceleration sensor, and at least a control and evaluation unit, the position sensor and/or the acceleration sensor being connected to the control and evaluation unit, the position sensor emitting a position signal and/or the acceleration sensor emitting an acceleration signal to the control and evaluation unit. At least one process relevant to the operation of the measuring unit is triggered when at least one part of the measuring unit is moved in a first movement pattern, wherein the first movement pattern comprises a sequence of at least two movements and/or at least a partial process of the process or a process is triggered when at least one part of the measuring unit is moved according to a second movement pattern, wherein the second movement pattern comprises at least one movement.. ... Krohne Messtechnik Gmbh

Conductivity sensor and method for determining the electrical conductivity of a liquid medium

A conductivity sensor for measuring the electrical conductivity of a liquid medium having at least a first coil, a current source and a control and evaluation unit, the current source being connected to the first coil. The conductivity sensor has the ability to determine a particularly large range of electric conductivity by at least a first electrode and a second electrode and at least one voltage measuring unit being provided, the voltage measuring unit being connected to the first electrode and the second electrode, the control and evaluation unit being connected to the current source and to the voltage measuring unit, and the first electrode and the second electrode being out of electrical contact with the first coil.. ... Krohne Messtechnik Gmbh

Conductivity meter for measuring an electric conductivity of a liquid medium

A conductivity meter for measuring an electrical conductivity of a liquid medium having a housing, a conductive first measuring cell and a control device for controlling the first measuring cell, wherein the first measuring cell has a first conductivity measuring range, a first electrode and a second electrode, and wherein the first measuring cell and the control device are arranged at the housing. To provide a conductivity meter for measuring an electrical conductivity of a liquid medium, whose conductivity measuring range is increased, the conductivity meter has a second measuring cell with a second conductivity measuring range, that the second measuring cell is arranged at the housing, and that the control device is designed for controlling the second measuring cell.. ... Krohne Messtechnik Gmbh

Method for operating a magnetic-inductive flowmeter and magnetic-inductive flowmeter

A method for operating a magnetic-inductive flowmeter that has at least one measuring unit for measuring the flow of a medium through a pipeline, a housing and at least one control and evaluation unit, wherein the measuring unit has at least one coil for generating a magnetic field, and wherein at least one capacitance formed in conjunction with the coil forms a resonant circuit and wherein the resonant circuit has at least one measured variable characterizing it. A particularly reliable operation of the flowmeter is achieved in that the resonant circuit is excited with an excitation frequency, that the measured variable characterizing the resonant circuit is determined, that a comparison value of the measured variable characterizing the resonant circuit for the leak-free case is stored in the control and evaluation unit and that the measured variable characterizing the resonant circuit is compared to the comparison value.. ... Krohne Messtechnik Gmbh

Method for operating a measuring device and a measuring device

A method for operating a measuring device having at least one measured value sensor for recording and forwarding measured values of a primary measured variable. To ensure a particularly high reliability and measuring accuracy, the recording of the measured value and/or the forwarding of the measured value is carried out in dependence on the operating state of the measuring device, recording of the measured value and/or the forwarding of the measured value being interrupted during a disturbance. ... Krohne Messtechnik Gmbh

Method for operating a flowmeter and flowmeter

A method for operating a flowmeter having at least one diagnostic unit, a counter unit and a storage unit with at least one memory for carrying out a plurality of time-limited measuring operations during which the counter unit determines at least the overall volume of a fluid passing through the flowmeter during one measuring operation. The counter unit is operated for the duration of a time-limited measuring operation, and the diagnostic unit recognizes at least one erroneous or error-free state of the flowmeter. ... Krohne Messtechnik Gmbh

Method for configuration of a field device for use in custody transfer and such field device

A method for configuring a field device for use in custody transfer and such a field device, wherein the field device has a computing unit and a storage, wherein parameters and/or functions are stored in the storage, and wherein the parameters and/or functions are at least partially configurable. A more flexible configuration of the field device used for custody transfer is achieved by at least two blocking groups being provided, wherein each blocking group comprises at least one parameter and/or at least one function of the field device, at least one blocking group is chosen and evaluated by the computing unit, and the computing unit blocking the parameters and/or functions contained in the chosen at least one blocking group against a subsequent change.. ... Krohne Messtechnik Gmbh

Method for detection of pipeline vibrations and measuring instrument

A method for detection of pipeline vibrations with a measuring instrument connected to a pipeline system through which a medium to be measured flows, the measuring instrument having at least one transducer for detection of an input variable and for output of an output variable and at least one evaluation unit. The method involves detecting the input variable, relaying of an output variable based on the input variable to the evaluation unit, determinating the measured value of the measured variable from the output variable. ... Krohne Messtechnik Gmbh

10/05/17 / #20170284796

Device for detecting a surface of bulk materials

Described is a device for detecting a surface of bulk materials, the device including: a transmitter unit having a radiation direction for transmitting a measuring signal, a receiver unit for receiving a measuring signal reflected on the surface of the bulk material, a control and evaluation unit for controlling the alignment of the radiation direction and for evaluating the received measuring signal, and an alignment arrangement for aligning the transmitter unit. The alignment arrangement includes at least one connecting element for connection to the transmitter unit, at least one bearing element, and at least one positioning member. ... Krohne Messtechnik Gmbh

09/28/17 / #20170279201

Guide element for an antenna and method for producing such guide element

The invention relates to a guide element for an antenna for a fill level meter, wherein the guide element is composed of a dielectric material and is used for forming, guiding and emitting electromagnetic radiation. The guide element has a permittivity course that changes over the spatial expansion of the guide element for specifically forming the electromagnetic radiation, the course being implemented by a spatial distribution of the material density of the dielectric material, wherein the material density is defined as one portion of dielectric material per elementary cell of a given size. ... Krohne Messtechnik Gmbh

09/28/17 / #20170276533

Device for measuring the distance to an object

Described and shown is a device for measuring the distance to an object, including at least two freely radiating transmitter units for transmitting an electromagnetic measuring signal, at least one receiver unit for receiving a reflection signal reflected on the object, and at least one evaluation unit. The at least one receiver unit forwards the received reflection signal to the at least one evaluation unit. ... Krohne Messtechnik Gmbh

09/21/17 / #20170269028

Device, sensor unit and transmitter for determining a measured variable

A device (1) for determining a measured variable, that allows an as simple as possible adaptation to the measurement conditions, is achieved in that the device (1) has a sensor unit (2) and a transmitter (3). The sensor unit (2) generates an electric primary signal in dependence on the measured variable, and communicates the primary signal via an analog output interface (4) to the transmitter (3) which processes the primary signal. ... Krohne Messtechnik Gmbh

09/14/17 / #20170261588

Method for operating an inductive conductivity sensor and respective inductive conductivity sensor

A method for operating an inductive conductivity sensor, wherein a first electric transmitter signal having a first signal frequency is generated and supplied to the transmitter coil, a first electric receiver signal is measured at the receiver coil and a first conductivity of the medium determined from the first electric receiver and first electric transmitter signals using a first calibration model. At least one further electric transmitter signal having a different signal frequency is generated and supplied to the transmitter coil, a further electric receiver signal is measured at the receiver coil and a further conductivity of the medium determined from the further electric receiver and electric transmitter signals using another calibration model, at least one conductivity difference is determined between each of the determined conductivities of the medium and when the at least one conductivity difference exceeds a threshold conductivity difference, the conductivity difference is signaled as an error.. ... Krohne Messtechnik Gmbh

09/07/17 / #20170255570

Flowmeter, in particular for use in custody transfer

A flowmeter for use in custody transfer, having a housing, at last one evaluation unit arranged in the housing and having an interface arranged in the housing for communication with an external control unit that can be written with data via the interface. Inadmissible influencing of the evaluation unit is prevented by at least two write protection sensor elements being arranged in the housing, by the outside of the housing having a receptacle for at least one write protection influencing element that sets the write protection sensor elements into a write protection state when inserted in the receptacle, and by the write protection state of the write protection sensor elements being detected by the evaluation unit. ... Krohne Messtechnik Gmbh

08/31/17 / #20170248570

Measuring rod for verification of a flowing medium in a tube and respective measuring arrangements

A measuring rod (1) with a longitudinal axis (a) for insertion in the flow cross section of a tube and for the verification of a flowing medium in this tube having at least one first sender unit (2) for the transmission of a first acoustic or electromagnetic measuring signal (3) and at least one first receiver unit (4) for receiving the first measuring signal, wherein the first sender unit (2) and the first receiver unit (4) define a measuring section, wherein the first sender unit (2) is arranged in such a manner that the first measuring signal (3) crosses the measuring section and wherein the first receiver unit (4) is arranged in such a manner that it, at least during operation without flow, receives the first measuring signal (3) after crossing the measuring section.. . ... Krohne Messtechnik Gmbh

08/31/17 / #20170248452

Magnetic-inductive flowmeter and corresponding method

A magnetic-inductive flowmeter with a measuring tube and at least one measuring electrode has at least one opening in its circumferential wall, at least a electrode head of the at least one measuring electrode being arranged in the at least one opening. At least one coil pair has first and second coils that are arranged offset to one another on the circumferential wall of the measuring tube in the axial direction of the measuring tube. ... Krohne Messtechnik Gmbh

08/24/17 / #20170241823

Method for operating a coriolis mass flowmeter

A method for operating a coriolis mass flowmeter that has at least one measuring tube with medium flowing through it involves exciting the measuring tube excited to oscillation, detecting the oscillations of the measuring tube and determining the density of the medium. Detection of the state and a change in the state of a coriolis mass flowmeter is achieved by determining a calibration temperature and a calibration density sensitivity of the coriolis mass flowmeter using the detected oscillations, at a temperature differing from the calibration temperature, and a density sensitivity of the flowmeter determined using the detected oscillations. ... Krohne Messtechnik Gmbh

07/20/17 / #20170205269

Method for operating a contactless ultrasound or radar fill level measuring device and contactless ultrasound or radar fill level measuring device practicing said method

A method for operating a contactless ultrasound or radar fill level measuring device having at least one open distribution transmitter, at least one receiver and at least one evaluation unit having the following steps: emitting a transmitter signal by the transmitter, receiving a reflection signal reflected on a reflector by the receiver, evaluating the transmitter signal and/or the reflection signal with the evaluation unit which identifies a frequency shift between the transmitter signal and the reflection signal. By evaluating the determined frequency shift or a variable derived from the determined frequency shift, a filling event is detected, in which a filling stream at least partially passes through the transmitter signal. ... Krohne Messtechnik Gmbh

07/20/17 / #20170205265

Method for operating a coriolis mass flowmeter and corresponding coriolis mass flowmeter

A method for operating a coriolis mass flowmeter (1) having at least one measuring tube (2) and at least one sensor (3), wherein the sensor (3) emits an electric sensor signal depending on the temperature of the sensor (3), the sensor (3) is mechanically coupled to the rest of the coriolis mass flowmeter (1) via a connection (5) and the connection (5) has a thermal resistance. To provide a method for operating a coriolis mass flowmeter that makes recognition of a change in the connection possible an electric excitation signal is generated, the excitation signal is impressed in the sensor (3), the sensor signal influenced by the excitation signal is detected, a change between the detected sensor signal and a reference signal is determined and the change between the detected sensor signal and the reference signal is associated with a change in the thermal resistance.. ... Krohne Messtechnik Gmbh

07/20/17 / #20170205264

Method for operating a coriolis mass flowmeter and associated coriolis mass flowmeter

A method for operating a coriolis mass flowmeter having at least one measuring tube, at least one oscillation generator, at least one oscillation sensor and at least one strain sensor. The oscillation generator is actuated with an oscillation excitation signal and the measuring tube is excited to oscillation by the oscillation generator, the oscillation of the measuring tube is detected by the oscillation sensor and an oscillation sensor signal is generated. ... Krohne Messtechnik Gmbh

07/20/17 / #20170205263

Method for operating a coriolis mass flowmeter and corresponding coriolis mass flowmeter

A method for operating a coriolis mass flowmeter having at least one controller, at least one electric actuating device, at least one electromagnetic driving mechanism with a drive coil as oscillation generator, at least one measuring tube and at least one oscillation sensor involves excited oscillation of the measuring tube being detected by the oscillation sensor and emitted as at least one output signal and the electric actuating device causing the electromagnetic driving mechanism to produce oscillation of the measuring tube largely in resonance by the output signal of the oscillation sensor, the drive voltage at the drive coil, and phasing of the drive current in relation to the phasing of the output signal of the oscillation sensor being determined and a new target phasing for the drive voltage derived from the determinations and supplied to the controller to generate a drive voltage with the new target phasing.. . ... Krohne Messtechnik Gmbh

04/06/17 / #20170097251

Method for setting a constant magnetic field strength of a magnetic field using a magnetic-inductive flowmeter and a respective magnetic-inductive flowmeter

A method for setting a constant magnetic field strength of a magnetic field within a commutation interval using a magnetic-inductive flowmeter having a current controller with which time for setting the constant magnetic field strength of a magnetic field is relatively shorter. Additionally, a first interval having a starting point in time and an ending point in time and a second interval having a starting point in time and an ending point in time are arranged within a commutation interval. ... Krohne Messtechnik Gmbh

03/16/17 / #20170077601

Antenna with a lens

An antenna for a level meter and a method for operating such an antenna. The antenna has an antenna housing, at least one supply element and at least one lens, the lens having at least first and second lens surfaces. ... Krohne Messtechnik Gmbh

03/16/17 / #20170075343

Field device, method for operating a field device and cloud service

A field device (1) and interface (2), a method for operating a field device (1) as well as a cloud service that achieve simplified data communication is obtained in that the interface is a cloud interface (2) via which data communication takes place between the field device (1) and a cloud (3).. . ... Krohne Messtechnik Gmbh

03/16/17 / #20170074708

Measuring device and measuring arrangement

A measuring arrangement and a measuring device having a sensor device, a processing device, a storage device, an interface and a control device that allows for a simplified testing of the functionality of the measuring device is achieved in that the control device retrieves externally provided data via the interface and performs a test of the measuring device. The test thereby involves the control device determining a reference value from the externally provided data, comparing the reference value to a measured value generated by the processing device and generating a comparison result based thereupon. ... Krohne Messtechnik Gmbh

02/09/17 / #20170041796

Method for safe access to a field device

A method for providing safe access of a mobile control unit (1) to a field device (2), wherein, in particular, the field device is protected against unauthorized access via a mobile control unit is achieved in that a connection for transmitting data is established between the mobile control unit (1) and the field device (2), that access data for access is exchanged, that a comparison is made between the access data and stored comparison data and a comparison result is generated, and that access of the mobile control unit (1) to the field device (1) is permitted based on the comparison result.. . ... Krohne Messtechnik Gmbh

01/19/17 / #20170016751

Method for operating a coriolis mass flowmeter and respective coriolis mass flowmeter

Described and shown is a method for operating a coriolis mass flowmeter (1) having at least one measuring tube (2), an oscillation exciting device (3) for exciting the measuring tube (2) to an oscillation (4), at least a first oscillation sensor (5) and a second oscillation sensor (6) and at least a first sensor signal path and a second sensor signal path. The object of the invention is to provide a method in which the measuring accuracy is increased compared to the prior art. ... Krohne Messtechnik Gmbh








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