Abstract: A method and apparatus for detecting properties of fluid media within a predefined process using impedance spectroscopy, the method detecting an initial impedance curve, including a plurality of characteristic points on said initial impedance curve determining an initial value of the properties of the fluid medium, determining respective surrounding frequency ranges around each of the characteristic points, conducting further detections of current impedance curves determining respective characteristic points of the current detections within the surrounding frequency ranges of the initial impedance curve, determining differences between the characteristic points of each of the current detections of the impedance curve for at least one of the characteristic points and the respective corresponding characteristic point on the initial impedance curve and comparing the difference with a predetermined reference range, and performing control measures on the process for the purpose of continuing said process if said d

Abstract: The invention relates to a sensor device for detecting properties of fluid media in a container, comprising at least one base plate (42) made of an insulating material and having a first surface (42a) exposed to the medium (3), at least two sensor elements (41) having at least a first and a second electrode (41a, 41b) arranged insulated from one another on the first surface of the base plate and around which the medium flows, the at least two sensor elements being arranged in a predetermined spatial position relative to each other.

Abstract: The present invention concerns a tank module for insertion into an opening region (4a) of a tank (1) for storing a fluid (2) and comprises a housing (5) which can be inserted into a lower part of the tank (1) and has an outlet region (9), a filter device (14) for filtering the fluid (2) in the tank (1), and a pump device (15) arranged in the outlet region for conveying the fluid (2) to the outlet region (9), wherein the pump device (15) is arranged at least partially within the filter device (14).

Abstract: A method and apparatus for detecting properties of fluid media within a predefined process using impedance spectroscopy, the method detecting an initial impedance curve, including a plurality of characteristic points on said initial impedance curve determining an initial value of the properties of the fluid medium, determining respective surrounding frequency ranges around each of the characteristic points, conducting further detections of current impedance curves determining respective characteristic points of the current detections within the surrounding frequency ranges of the initial impedance curve, determining differences between the characteristic points of each of the current detections of the impedance curve for at least one of the characteristic points and the respective corresponding characteristic point on the initial impedance curve and comparing the difference with a predetermined reference range, and performing control measures on the process for the purpose of continuing said process if said d

Abstract: The present invention concerns a tank module for insertion into an opening region (4a) of a tank (1) for storing a fluid (2) and comprises a housing (5) which can be inserted into a lower part of the tank (1) and has an outlet region (9), a filter device (14) for filtering the fluid (2) in the tank (1), and a pump device (15) arranged in the outlet region for conveying the fluid (2) to the outlet region (9), wherein the pump device (15) is arranged at least partially within the filter device (14).

Abstract: The invention relates to a sensor device for detecting properties of fluid media in a container, comprising at least one base plate (42) made of an insulating material and having a first surface (42a) exposed to the medium (3), at least two sensor elements (41) having at least a first and a second electrode (41a, 41b) arranged insulated from one another on the first surface of the base plate and around which the medium flows, the at least two sensor elements being arranged in a predetermined spatial position relative to each other.

Abstract: The present invention concerns a measuring apparatus for detecting a filling level of a fluid (F) in a tank (T) by means of ultrasound signals. The measuring apparatus comprises a sensor unit (3) adapted to transmit and receive ultrasound signals, and an evaluation device (40) adapted to evaluate the received ultrasound signals. The sensor unit (3) and the evaluation device (40) are arranged on a common assembly (4), and the assembly (4) is arranged in a housing (2) of the measuring apparatus (1). That provides for accurate measurement of even low filling levels.

Abstract: The invention concerns a current detection apparatus for detection of a current flowing through a conductor (1) by detection of a magnetic field surrounding the conductor. The current detection apparatus includes at least one sensor element (3) provided on a carrier portion (4) for detection of the magnetic field, and a predetermined region (S) of the conductor (1), at which the at least one sensor element is arranged. The conductor (1) in the predetermined region (S) has a plurality of conductor portions (11, 12; La, Lb) which have the current to be measured flowing therethrough in the same direction and which are spaced from each other by a predetermined spacing and which form an intermediate space (2). The carrier portion (4) is fitted into the intermediate space in such a way that the at least one sensor element (3) is arranged outside the intermediate space in adjacent relationship therewith in the magnetic field of the conductor (1).

Abstract: A heater assembly for a tank 1 for storing a fluid reducing agent 2 for reducing harmful components in the exhaust gas of internal combustion engines, said heater assembly comprising a primary enclosure 5 which can be deployed in a lower portion of the tank 1 and which has an outlet opening 12 in a predetermined region 11 of the primary enclosure; and a heating device 18 for heating the reducing agent 2, said heating device 18 being disposed in the predetermined region 11 of the primary enclosure 5.

Abstract: Apparatus for measuring the filling level of a liquid in a container comprising a transmitting device 1 which emits ultrasound transmission pulses, a receiving device 2 which receives the echo signals reflected at the surface of the liquid and an evaluation device 8 which evaluates the transit times of the ultrasound transmission pulses and echo signals, wherein arranged at a given spacing relative to the transmitting/receiving device 1, 2 is a reflector 3 which reflects the ultrasound transmission pulses in the direction of the surface of the liquid and also reflects the echo signals coming from the surface of the liquid in the direction of the receiving device 2.

Abstract: An apparatus for measuring an electric current flowing through an electrical conductor (1), comprising a measuring device which detects a magnetic field formed by the electrical conductor in three orthogonal spatial directions and supplies measurement signals associated with the respective spatial directions.

Abstract: The invention relates to a laundry treatment device, particularly a washing machine, or a laundry dryer, comprising a housing (1), a container (3) suspended in the housing (1) in a swiveling manner, and an apparatus (2) for detecting the position and/or the arrangement of the container (3) in the housing (1), wherein the detection unit (2) comprises a magnetic field-generating clement (2b) and a detector unit (2a) for detecting a magnetic flux density of the magnetic field. The position detection unit (2) is characterized in that the detector unit (2a)) also detects the direction of the magnetic field lines of the magnetic field and determines the position of the container (3) as a function of the flux density and the field line direction.

Abstract: An apparatus for measuring an electric current flowing through an electrical conductor (1), comprising a measuring device which detects a magnetic field formed by the electrical conductor in three orthogonal spatial directions and supplies measurement signals associated with the respective spatial directions.

Abstract: A method and an apparatus for regulating the operating temperature of an internal combustion engine, wherein a cooling fluid is transported in a circuit through the internal combustion engine by means of a cooling fluid pump driven by an electric motor. The electric motor can be operated with a power dissipation loss which is increased in comparison with its nominal operation and the waste heat produced in that situation is transmitted to the cooling fluid.