Siemens Aktiengesellschaft

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Abb Patent Gmbh

Abb Technology Ag

Ralf Huck

Paul Szasz

Albrecht Vogel

Wolfgang Scholz

Steffen Keller

Tilo Merlin

Fabrizio Lorito

Hans-Werner Schwiderski

Harald Mueller

Dirk Huybrechts

Dominik Eifel

Eniet Asaah

Andreas Thone

Detlef Pape

Dieter Keese

Stefan Von Dosky

Stefan Klehr

Thomas Bierweiler

Wolfgang Ens

Thomas Keul

Karl Ehinger

Johannes Barth

Günter Rasche

Harald U Müller

Jürgen Kiefer

Klaus-Jürgen Zeiger

Valentin Rigoni

Arno Erich Oehler

Christian Haag

Ulrich Staab

Walter Plesnik

Markus Hilsendegen

Tim Scherer

A temperature measuring system comprising temperature measuring device, a computer program product suitable for simulating an operating behavior of such a temperature measuring device, and a temperature measuring device for non-invasively measuring a temperature of a medium in a pipe includes a sensor holder and a heat coupling element configured for producing a heat conducting path from a wall of the pipe to a first temperature sensor, wherein the heat coupling element is configured for adjusting the heat conducting path in a layered structure with components composed of different materials where, alternatively or supplementarily, the heat coupling element has an arcuate profile at least sectionally for the purpose of axially reversing the heat conducting path.

Temperature measuring device for non-invasive temperature measurement, temperature measuring system and computer program product

A system for processing data of a technical device of a technical system includes the technical device that detects measurement data within the technical system, a data storage device for storing measurement data and additional data relating to the technical device, a computing unit connected to the storage device that runs program code units that include a device interface unit that receives measurement data and additional characteristic data from the technical device and stores them in the data storage device, an analysis unit for providing selected analysis data for an operator of the system, wherein the selected analysis data is provided based on a unique identifier of technical device, a correlation of the measurement data and the characteristic data to the technical device, and preferably based on the access authorization of the operator, and a communication unit that visually provides the selected analysis data to the operator.

Method and analysis system for technical devices

An optical reading device for a pointer instrument which has a pointer and a scale face or dial with different degrees of reflectance in each case, includes an illumination device for illuminating the scale face or dial and a plurality of light sensor elements which are arranged in a circular arc about the rotational axis of the pointer in order to detect the light of the illumination device reflected back by the scale face or dial, wherein the illumination device is configured to uniformly illuminate the scale face or dial and each light sensor element is configured with an isosceles triangle outline, where each light sensor element is offset with respect to one another by half of the base width in the circumferential direction of the circular arc.

Optical reading device for a pointer instrument

A flow meter for a fluid with a pulsating flow includes a piezo transducer for receiving and converting fluid pulses into electrical pulses, a AC/DC converter circuit for cumulatively storing the pulse energies of the electrical pulses in an energy store, a counter for counting the electrical pulses during a time interval, an evaluation device for determining a pulse parameter indicative of the flow rate of at least one of the electrical pulses and for determining a flow value based on the electrical pulses counted within the time interval and the determined pulse parameter, a communication device for the preferably wireless transmission of the determined flow value and a power supply device for the exclusive power supply of the flow meter with the energy stored in the energy store.

Flow meter for a fluid with a pulsating flow

An explosion-proof pressure-tight housing for electrical operating device has a rigid lower shell and an elastic upper shell terminating the lower shell in the manner of a cover, wherein the lower shell includes a base, preferably formed as a rounded rectangle, and also includes side walls, the outer surfaces of which are inclined inwardly by an acute angle, where the elastic upper shell has a cover base and side walls, which are splayed outwardly at the angle, the inside width of the upper shell is smaller than the outside width of the lower shell, and the upper shell is pressed with the lower shell such that a flameproof gap is formed between the side walls of the upper shell and the side walls of the lower shell.

Explosion-proof pressure-tight housing for electrical operating devices

A multifunctional sensor has the a process connection housing with a process-side opening, pressure measurement cell with a measurement membrane arranged in the process connection housing, which closes the opening in the process connection housing and which has strain measurement resistors on its side facing away from the process, where a magnet assembly is arranged in the process connection housing, the magnetic field of which is concentrated on a central region of the measurement membrane and penetrates through this into the process, electrodes lying diametrically opposite one another are formed outside the central region on the side of the measurement membrane facing the process, and where the process connection housing contains electronic measuring equipment which is formed to interact with the strain measurement resistors and the electrodes for pressure measurement and magnetic-inductive flow measurement.

Multifunctional sensor for the process industry

A method for monitoring a system with mechanically movable parts, preferably a valve system, wherein the system is preferably part of a technical plant, in particular a production plant, and wherein the system has at least one mechanically movable part, in particular a valve, where the method comprises a) acquiring indicators, which can be used for a technical characterization of a movement procedure of the mechanically movable part, via technical devices configured for the acquisition of the indicators and b) transferring the acquired indicators to an evaluation unit arranged outside the system to determine a technical status of the system.

Method for monitoring a mechanical system

A valve system includes a valve, which is operated by a pneumatic actuator and forms part of an industrial plant, wherein the valve system includes a diagnostic system that includes either a pressure detection unit for acquiring data on a pressure variation in the pneumatic actuator and/or at least one acoustic detection unit for detecting an acoustic variation in the valve system, where the valve system additionally includes a pilot valve, preferably a solenoid valve, which controls the pneumatic actuator, an electrical connection to an electrical power supply network supplying the pilot valve to supply electrical power to either the pressure detection unit and/or the acoustic detection unit, and where the diagnostic system additionally includes a measurement unit for identifying changes in the electrical power supply network for the pilot valve to identify a starting point of a closing or opening action of the valve.

Detecting maintenance statuses of valves

Method for producing a bidirectional connection between a device forming a field device and an application in a central facility, wherein a bidirectional connection is produced between the device that forms the field device and the application in a central facility, where a bridge function running on a mobile communication terminal establishes a short-range radio connection with the device, establishes a long-range radio connection with the application in the central facility and establishes a data channel for bidirectional communication between the application in the central facility via the long-range radio connection and the device via the short-range radio interface.

Method for producing a bidirectional connection between a device forming a field device and an application in a central facility

The invention relates to a communication system for interchanging data in an automation system for communication between central and peripheral devices. A converter is connected into the communication path between the central devices and peripheral devices and being designed for line-bound communication with the central device and for wireless communication with the peripheral devices.

Wireless fieldbus management

A temperature sensor is disclosed having a measuring resistor which is accommodated inside a protective tube and a proximal end of which is connected to a sensor head. The sensor head includes a measurement insert for electrically connecting the measuring resistor and a measuring transducer which is connected downstream thereof to, for example, condition measurement signals. The sensor head is formed by a cylindrical housing having an intermediate base, the measurement insert being accommodated in a lower housing section which is adjacent to the measuring resistor and is sectioned off by the intermediate base, and the measuring transducer being accommodated in an opposite, upper housing section.

Temperature sensor for a process engineering industrial installation

The disclosure relates to a thermometer having an exchangeable measurement insert for measuring process temperatures of liquid or gaseous media in vessels of process installations, and to a method for replacing the measurement insert. On the basis of a thermometer in which the measurement insert is accommodated, such that it can be changed, in a protective tube which is closed at one end and has a process flange, the closed end of the protective tube being immersed, as far as the process flange, in a container in which the medium whose temperature is to be determined is situated, and the open end of the protective tube being guided at least indirectly to a connection housing in which at least connection terminals for connecting the measurement insert to a remote measured value processing system are arranged, provision is made for the transition from the open end of the protective tube to the connection housing to have a clearance fit with a cylindrical fitting surface between the measurement insert and a fitting sleeve which at least partially surrounds the latter.

Thermometer having an exchangeable measurement insert, and method for replacing the latter

A method is disclosed for operating a sensor arrangement having at least one measuring sensor and at least one reference sensor for recording the same physical variable, and having an analysis unit electrically connected thereto, with a characteristic of the sensor arrangement being recorded in an initialization phase from measured values of the at least one measuring sensor and of the at least one reference sensor, and an alarm being given during continuous operation if the deviation from the characteristic lies outside a tolerance band. It is proposed to suspend the alarm dynamically so long as the changes in the measured value in the variation over time of the at least one measuring sensor or in the variation over time of the at least one reference sensor differ by more than a definable limit within a definable time interval.

Method for operating a sensor arrangement

A thermal mass flow meter is disclosed for determining a material flow through a vessel. In this case, a sensor arrangement is mounted on a holder immersed into a vessel with a flowing medium. It is proposed that the sensor arrangement comprises a first and a second measuring element, with one of the respective measuring elements being heated while the other respective measuring element is not heated and that the two measuring elements can be heated alternately.

Thermal mass flow meter and method for its operation

The disclosure relates to a thermal mass flow meter for determining a material flow through a vessel. In this case, a heating element is mounted on a holder which is immersed into a vessel with a flowing medium. It is suggested that the holder is subdivided into two zones of differing thermal conductivity, the holder substantially having a high thermal conductivity adjoined by a short zone of low thermal conductivity in which the heating element is arranged.

Growing community of inventors

Groβkrotzenburg, Germany

Ralf Huck