Patent application number | Description | Published |
20090301874 | Electrochemical Sensor - A combination electrode, including: A first tube; a measuring membrane, which sealedly closes the first tube to form a measuring chamber; a second tube, which surrounds the first tube and is connected borderingly with the first tube to form an annular reference chamber; a buffer solution located in the measuring chamber; an electrolyte solution located in the reference chamber; a first tapping electrode in contact with the buffer solution; and a second tapping electrode in contact with the electrolyte; wherein, additionally, arranged in the reference chamber is an axially shiftable, annular, sealing element, which bounds the volume occupied by the electrolyte solution, the sealing element is biased by means of an electrically conductive, elastic, deformation element, which surrounds the first tube, and the second tapping electrode is electrically connected with the deformation element, in order to tap the potential of the second electrode via the deformation element. | 12-10-2009 |
20100230283 | ASSEMBLY AND ELECTROCHEMICAL SENSOR, ESPECIALLY CONDUCTIVITY SENSOR, WITH SUCH AN ASSEMBLY - An assembly, especially an assembly for an electrochemical sensor, includes a functional body of a first material, wherein the surface of the functional body is covered, at least sectionally, with a plastic, protective body. At least one free section of the surface of the functional body is not covered with a plastic, protective body, and wherein the free section is bordered by at least one surrounding, self-closing, boundary line, at which the plastic, protective body lies against the functional body. In the plastic, protective body, spaced from the boundary line, an elastic sealing ring lies sealingly against the surface of the functional body, in order to seal the functional body against a gap arising, in given cases, from the boundary line between the plastic, protective body and the functional body. | 09-16-2010 |
Patent application number | Description | Published |
20090096458 | Adapter For Supplying Electrolyte To A Potentiometric Sensor - An adapter for a potentiometric sensor having a sensor shaft, which has a reference liquid opening in its exterior surface. The adapter comprises an annular chamber member having a sensor opening for receiving the sensor shaft. Arranged in the sensor opening are first and second sealing rings for the sensor shaft. The axial position of the reference liquid opening lies between the first and second sealing rings. Formed between the sealing rings and the sensor shaft is an annular chamber, which is in communication with the reference liquid opening. The annular chamber member further includes a duct extending between the annular chamber and a reference feed opening. The adapter further includes a process connection member having a process connection opening, which surrounds the sensor shaft, and whose axis is aligned with the axis of the sensor opening. The axial position of the process connection member is fixed relative to the annular chamber member, and the process connection member is freely rotatable relative to the annular chamber member. | 04-16-2009 |
20110147213 | Electrochemical measuring probe, filling arrangment and maintenance system - An electrochemical, especially potentiometric, measuring probe ( | 06-23-2011 |
20110309848 | CONDUCTIVE CONDUCTIVITY SENSOR - In a conductive conductivity sensor having a probe, which is immersible in a measured medium and which comprises at least two electrodes made of a first, electrically conductive material and at least one probe body made of a second, electrically non-conductive material, the electrodes are at least partially embedded in the probe body and insulated from one another by the probe body, wherein the electrodes and the probe body are embodied as a composite workpiece. There especially exists between the first material and the second material in at least one section of a material transition between the first and the second material a secure bond, especially a bond based on intermolecular interactions or chemical bonds. | 12-22-2011 |
20120098550 | Method for manufacture of an inductive sensor - A method for manufacture of an inductive sensor, wherein coils are placed on both sides of a support plate surrounding an opening of the support plate, and the support plate with the coils is inserted into a housing. A sleeve is inserted through a first cavity of the housing through the opening of the support plate into the housing. In order to achieve a secure and temperature independent joint between the sleeve and the housing, the sleeve ( | 04-26-2012 |
20120186370 | MEASURING APPARATUS COMPRISING A MEASURING PROBE AND A SECUREMENT APPARATUS - A measuring apparatus, especially a measuring apparatus suitable for application in industrial process measurements technology for making measurements of physical or chemical, measured variables in a closed process container under increased pressure, comprising: a measuring probe, which has a probe shaft, especially a cylindrical probe shaft; and a securement apparatus to affix the measuring probe at a measuring point, wherein the securement apparatus comprises a sleeve, which at least sectionally accommodates probe shaft, wherein the measuring probe has a securement collar connected to the probe shaft; the securement collar is held, especially shape interlocked, between a coupling jacket releasably secured in sleeve and a counterbearing formed within sleeve, characterized in that, a first abutment surface is formed within the coupling jacket, and a second abutment surface, which lies opposite the first abutment surface, is formed on measuring probe. | 07-26-2012 |
20130029374 | METHOD AND MEASURING POINT FOR MEASURING AT LEAST ONE PHYSICAL AND/OR CHEMICAL, PROCESS VARIABLE OF A MEASURED MEDIUM CONTAINED IN A SINGLE USE CONTAINER - A method, and a measuring point for performing the method, for measuring at least one physical and/or chemical, process variable of a medium contained in a single use container. A single use sensor is connected with the single use container. The single use sensor with the single use container is sterilized by radiation, especially beta or gamma radiation. An electronics unit is connected with the single use sensor, and the electronics unit is connected with at least one superordinated system via at least one interface. The electronics unit and/or the single use sensor are/is supplied with energy, and measurement data of the single use sensor are registered. The measurement data are processed by the electronics unit and/or the superordinated system, data, including measurement data, are transmitted to the superordinated system and/or received from the superordinated system, and, after termination of one or more measuring cycles, the electronics unit is released from the single use sensor. | 01-31-2013 |
20150034807 | ARRANGEMENT FOR OPTICAL MEASUREMENT OF A PROCESS VARIABLE AND MEASURING DEVICE COMPRISING SUCH AN ARRANGEMENT - An arrangement for optical measurement of at least one process variable in a medium, comprising: at least one light source; at least one light receiver; an optical sensor element at least one data processing unit; and a light conductor. The light conductor connects the light source with the optical sensor element and the optical sensor element with the light receiver. The light conductor is embodied with at least three arms, wherein the first arm is arranged at the light source, the second arm is arranged at the light receiver and the third arm is arranged at the optical sensor element first arm and the second arm combine to form the third arm. The invention relates further to a measuring device comprising an above described arrangement. | 02-05-2015 |
20150068891 | Electrochemical Sensor - An electrochemical sensor comprising a probe immersible in a measured medium and having at least two electrodes of a first electrically conductive material and at least one probe body of a second, electrically non-conductive material. The electrodes are at least partially embedded in the probe body and insulated from one another by the probe body, wherein the at least two electrodes are embodied of at least one conductive material and the probe body of at least one electrically insulating ceramic, wherein the electrodes are embodied of thin, measuring active layers of a conductive material and sit in an end face of the probe body of a ceramic material, and wherein the electrodes are electrically contacted via connection elements extending through the probe body. | 03-12-2015 |
20150068898 | Measuring Membrane for an Optochamical or Amperometric Sensor - A measuring membrane for an optochemical or amperometric sensor for determining or monitoring an analyte located in a medium, comprising a substrate material and a sensor element, which has at least one functional layer with a sensor-specific substance. The sensor element is embedded completely in a matrix, and the matrix is composed of a material, which at least in a portion facing the medium and adjoining the sensor element is permeable for the analyte. | 03-12-2015 |
Patent application number | Description | Published |
20090101592 | Method for separating emulsions - A method for breaking an emulsion of an ionic liquid which is a salt that is in the liquid state at a temperature below 1500 C, and an oil, comprising the steps of (a) irradiating the emulsion with microwave radiation; (b) separating the emulsion into an ionic liquid phase and an oil phase; and (c) recovering at least one of the phases. | 04-23-2009 |
20110312048 | CONVERSION METHOD - A process is described for the preparation of water-soluble cellulose hydrolysis products The process comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 15O° C., and in which the anions are selected from sulfate, hydrogen sulfate and nitrate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C. | 12-22-2011 |
20120029247 | CONVERSION METHOD - A process is described for the preparation of water-soluble cellulose hydrolysis products, which comprises admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprised solely of cations and anions and which exists in a liquid state at a temperature at or below 15O° C., the cations in said ionic liquid having the general formula (I), in which Z represents a nitrogen or phosphorus atom, R | 02-02-2012 |