Abb Patent Gmbh

Buerkert Werke Gmbh

Abb Ag

Buerkert Werke Gmbh & Co. Kg

Abb Research Ltd.

Leland Stanford Junior University

Abb Technology Ag

Peter Krippner

Albrecht Vogel

Wolfgang Scholz

Dieter Binz

Manfred Wetzko

Cricia De Carvalho Rodegheri

Stefan Seelecke

Tibor Fabian

Ralf Scheibe

Paul Szasz

Fritz B Prinz

Rolf Merte

Armin Gasch

Jan Westermann

Torgny Brogardh

Franziska Maier

SangKyun Kang

Marcel Konstandin

Yannick Maret

Detlef Pape

Kai Hencken

Carlo Gemme

Ken Yves Haffner

Daniel Schrag

Urs E Meier

Thomas Kleegrewe

Raiko Milanovic

Wilhelm Daake

Andrea Moroni

Holger Kaul

Fabrizio Lorito

Peter Riegler

Markus Roos

Thomas Bauer

Olivier Steiger

Klaus-Guenther Beck

Christian Schmidt

Sean Keeping

Daniel Trenkamp

Wolfgang Lasarzik

Michael Schupp

Manuel Kraft

Emrullah Altiok

Markus Feinauer

Marco Egman

Philipp Nenninger

Sagar Agarwal

Marc Hill

Marco Ulrich

Jürgen Biskup

Franco Vecchiato

Corrado Bianchi

Eugenio Volonterio

Jarkko Makela

Antonio Ruzzu

Crícia De Carvalho Rodegheri

Noam Nancy

Christoph Dittrich

Bernhard Deck

A method of operating a diaphragm valve is specified. The diaphragm valve comprises a fluid housing having a valve seat formed therein, a diaphragm which cooperates with the valve seat to open or close a flow path through the fluid housing, and at least two sensors from the following group: a capacitive sensor, which is arranged such that the diaphragm is located at least in sections in the electric field of the capacitive sensor, a temperature sensor, a pressure sensor, a force sensor, a pH sensor, a stress sensor and a vibration sensor, wherein an index value is formed from the measured values of the different sensors by means of a data fusion algorithm at at least two points in time, wherein a degree of wear of the diaphragm is determined on the basis of a change in the index value. Furthermore, a diaphragm valve is specified.

Method of operating a diaphragm valve and diaphragm valve

A safety module for a process valve and a system comprising a safety module and a process valve are provided. The safety module comprises at least a first interface complementary to a first connection interface of a drive module of the process valve and a second interface complementary to a second connection interface of a process valve actuator of the process valve, such that the safety module can be retrofitted in the process valve. The safety module further comprises at least one safety valve and fluid lines provided for fluidically coupling the safety valve to the drive module and the process valve actuator of the process valve. The at least one safety valve of the safety module is configured for forced venting of the process valve in a safety case.

Safety module for a process valve and system

A diaphragm valve having a movable diaphragm () configured as a closure element has a valve housing () and an actuator (), the diaphragm () being clamped between a flange () of the valve housing and a base () of the actuator () and being provided with a first identification means () in which data which are adapted to be read out wirelessly are stored. A further identification means () is also fastened to the flange () and/or the base (). The read-out surfaces of the further identification means () are substantially at right angles to the read-out surface of the identification means () on the diaphragm ().

Diaphragm valve

A film transducer for a pump is described, comprising at least one holding part arranged fixed, a displaceable switch unit and at least two electroactive composite film units which each have at least two electrodes. The electroactive composite film units are each assigned to the holding part and the switch unit. The electroactive composite film units have an actuation direction in which the electroactive composite film units lengthen when actuated, wherein the actuation direction lies in a plane spanned by the electroactive composite film units. Furthermore, a pump and a method for operating a pump are described.

Film transducer, pump and method for operating a pump

A film transducer has a holding part, an electroactive composite structure which includes at least one deformable carrier and at least two electrodes arranged on opposite sides of the deformable carrier, and a load application member which is mounted to the composite structure. The holding part engages two ends of the composite structure facing away from each other and the load application member is arranged between the two ends of the composite structure.

Film transducer

The present invention relates to a valve drive for actuating a valve, including a lifting element which shifts upon an actuation of the valve, and a displacement sensor by means of which the position of the lifting element can be detected, characterized in that the displacement sensor includes an elastically deformable dielectric film which is provided with at least two electrodes, the film being deformed by an adjustment of the lifting element.

Valve drive with position sensor

For monitoring diagnostic rules of a power system, an exemplary method is disclosed and includes collecting operational diagnostic data from a first primary device; identifying a change of a diagnostic indicator based on the operational diagnostic data; adapting a diagnostic rule to the identified change, wherein the diagnostic rule is applicable to the diagnostic data for determining a diagnostic warning which indicates a diagnostic state of a primary device; and providing a diagnostic warning of a second primary device by applying the adapted diagnostic rule to operational diagnostic data collected for the second primary device.

Monitoring of primary devices in a power system

A film transducer has a holding part and an electroactive multilayer composite structure including at least two deformable carriers which are each coated on at least one side with a planar electrode. The multilayer composite structure has an elongated basic shape and being clamped on its shorter sides in a fixing section in the holding part while its longer sides are free, the electrodes of the multilayer composite structure being alternately connected at the ends clamped in the holding part to a contact element which is arranged in the fixing section.

Film transducer and actuator strip for a film transducer

A diaphragm actuator has a first frame part and a second frame part, between which at least two diaphragm layers are disposed in a stacked manner and formed as electro-active polymer layers. Furthermore, a method for producing a diaphragm actuator is described.

Diaphragm actuator and method for producing a diaphragm actuator

A seat valve () is described having a valve body () which comprises at least two fluid openings (). Furthermore, the seat valve () comprises at least one valve seat (), at least one valve element () which can be displaced in a translatory manner and at least one actuator () which is formed as an electro-active polymeric actuator and cooperates with the valve element ().

Seat valve

A slide valve comprises a bushing in which fluid openings are provided which extend through the wall of the bushing, a slide which is arranged adjustably in the bushing and is provided with at least one fluid duct, and an electroactive polymer actuator which can adjust the slide in the bushing.

Slide valve

The exemplary embodiments relate to an autonomous temperature transmitter for use in process installations. In order to feed an electronic component with energy, a thermoelectric transducer is arranged such that it is thermally operatively connected to at least one thermal conducting element between an internal thermal coupling element and an external thermal coupling element, the internal thermal coupling element being thermally coupled to the process medium and the ambient air flowing around the external thermal coupling element.

Autonomous temperature transmitter

The disclosure relates to a multiaxial force-torque sensor having a transducer structure, with strain gauges placed in defined areas to measure the strain, from which the forces and torques are calculated, and where the transducer structure can include (e.g., consist of) two concentric rings connected with spokes. The transducer structure can be a planar mechanical structure, and all strain gauges can be applied to the same surface of the transducer structure to measure non-radial strain components.

Multiaxial force-torque sensors

A multiaxial force/torque sensor assembly and method for assembling such a sensor assembly are disclosed. The sensor assembly includes a set of at least two sensors each being made of strain gauges, which are each arranged at a definite angle and distance relative to each other and which are each fixed to a transducer body, which is mechanical contact with a printed circuit board. The printed circuit board includes clearances for each strain gauge as well as associated electronic components and wiring located on the remaining area of the printed circuit board which will monitor compressive and tensile stresses in the measurement directions of the sensors. The method includes positioning the strain gauges on the plane measurement surface of a transducer body in a definite arrangement; fixing the strain gauges to the transducer body by means of adhesives, and connecting the strain gauges to respective conductors by means of electrically bonding.

Set of multiaxial force and torque sensor and assembling method

The disclosure relates to a control device for a pneumatically operated actuator in the field of process automation, in particular for continuous control of material flows in the industrial environment. The control device has a communications interface for receiving an electrical setpoint value, and an output for the output of a pneumatic fluid, whose pressure is varied as a function of a control deviation. The received electrical setpoint value is suitable as a process parameter. The control device is connected via a communications channel to an actual-value encoder, which is designed to output an electrical signal corresponding to the actual value of the same process parameter.

Control device for a pneumatically operated actuator

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Karlsruhe, Germany

Peter Krippner