| Patent Number |
Title Of Patent |
Date Issued |
| 7441454 |
Apparatus for determining and/or monitoring the filling level of a product in a container |
October 28, 2008 |
| The invention relates to a measuring device which determines the filling level by means of high-frequency measuring signals which are guided along a waveguide. The invention is based on the object of optimizing the waveguide. According to a preferred embodiment of the apparatus according |
| 7243539 |
Arrangement for measuring the level of contents in a container |
July 17, 2007 |
| A continuous measurement of the level of contents in a container is effected by a level measuring device functioning in accordance with the transit time principle by means of waves transmitted from a position located above the highest possible contents level onto the surface of the m |
| 7201050 |
Device for determining the filling level of a filling material in a container |
April 10, 2007 |
| The present invention relates to a device for determining the filling level of a filling material in a container, having a signal-generating unit which generates measuring signals, having an input coupling unit and having an antenna. The input coupling unit couples the measuring signals |
| 7159458 |
Apparatus for determining and/or monitoring the filling level of a product in a container |
January 9, 2007 |
| A measuring device for determining the filling level of a product or the position of the interface between two media or phases in a container by means of high-frequency measuring signals which are guided along a waveguide. The waveguide comprises a wire cable with a plurality of indi |
| 7120391 |
Field transmitter |
October 10, 2006 |
| A field transmitter F, a control device B is in the form of a separately portable unit linked to a field transmitter S1 by radio over short ranges. This eliminates the need to make a direct visit to an inaccessible field transmitter S1 for control purposes. In addition, one control d |
| 7069201 |
Apparatus for use in an industrial process and plant including such apparatuses as well as metho |
June 27, 2006 |
| Memorized in an apparatus (10, 12, 14) for use in an industrial process, connectable to a central control unit (18) via a bus (16) for communicating data and control signals, is a software apparatus model (20, 22, 24) which contains a comprehensive mimic image of the apparatus includ |
| 6848318 |
Pressure sensor having metallic diaphragm seal joint |
February 1, 2005 |
| A pressure sensor that is particularly suitable inter alia for the food industry and the measuring accuracy of which is stable over a long time, having a diaphragm seal (3, 45) with a separating diaphragm (7, 53) on which a pressure (P) to be measured acts and having a ceramic measuring |
| 6845663 |
Method and device for determining and/or monitoring the level of a medium in a container, or for |
January 25, 2005 |
| The invention relates to a method and a device for determining and/or monitoring the fill level (F) of a medium in a container or, respectively, to a method and a device for establishing the density (.rho.) of a medium in the container. The invention allows a highly accurate determinatio |
| 6834419 |
Method of producing sensor element |
December 28, 2004 |
| The invention relates to an electromechanical drive or a sensor element composed of piezoelectric elements arranged in the form of a stack. The drive or the sensor element is intended for measurement instruments and operates even at very high temperatures.The new drive or the new sensor |
| 6800241 |
Process for producing dielectric component |
October 5, 2004 |
| A description is given of a filling level measuring device operating with microwaves, having a housing and an insert composed of a dielectric, and of a process for producing the dielectric, in which the dielectric constant of the insert is adjustable and in which the insert has a high |
| 6770377 |
Active brazing solder for brazing alumina-ceramic parts |
August 3, 2004 |
| The active brazing solder for brazing ceramic parts of alumina, particularly of high-purity alumina, contains a maximum of 12 wt. % Ti, a maximum of 8 wt. % Be, and less than 16.5 wt. % Fe, the remainder being Zr and any impurities that may be present. The active brazing solder has the |
| 6734793 |
Method of transmitting a measurement signal between a measuring unit and a control unit |
May 11, 2004 |
| In a method of transmitting a measurement signal M between a measuring unit 1 and a control unit 10, the uniform measurement signal has a supplementary signal Z superimposed on it which alternates over time. To check the operation of the measuring unit 1, the measurement signal M is |
| 6732427 |
Method for shortening a cable probe |
May 11, 2004 |
| A method for shortening a cable, which is mounted in a device housing of a measurement device, of a cable probe, comprising the step of: removing the measurement device electronics; interrupting the electrical connections between the measurement device electronics and the cable probe; re |
| 6710517 |
Electromechanical drive or sensor element for a measurement instrument, and method for their pro |
March 23, 2004 |
| The invention relates to an electromechanical drive or a sensor element composed of piezoelectric elements arranged in the form of a stack. The drive or the sensor element is intended for measurement instruments and operates even at very high temperatures.The new drive or the new sensor |
| 6691570 |
Device for measuring the material level in a vessel |
February 17, 2004 |
| A level measurement device for measuring the level of material inside of a vessel which includes a conductive element, a signal generating unit, and a receiving unit. The conductive element does not come into direct contact with the material being measured. The signal generating unit gen |
| 6684340 |
Measuring instrument having two pairs of lines connected to two indentical pairs of terminals, v |
January 27, 2004 |
| A description is given of a measuring instrument to be connected to a higher-order unit (57, 75) having at least a first and an identical second pair of terminals, which can be connected electrically, very simply and without errors, to the higher-order unit, the measuring instrument (61) |
| 6679115 |
Apparatus for determining the filling level of a product in a container |
January 20, 2004 |
| An apparatus for determining the filling level of a product in a container with a transmission unit which generates high-frequency signals and emits them at a predetermined pulse repetition frequency in the direction of the surface of the filled product. The signals are reflected by the |
| 6672155 |
Apparatus for determining the filling level of a filling material in a container |
January 6, 2004 |
| The invention relates to an apparatus for determining the filling level of a filling material in a container having a signal production unit which produces measurement signals, having at least one antenna which transmits the measurement signals in the direction of the surface of the fill |
| 6658940 |
Pressure sensor, and a method for mounting it |
December 9, 2003 |
| A pressure sensor element for mounting in a connecting element comprises an isolator body with a laterally projecting membrane. The laterally projecting membrane covering an opening of a passage through which the pressure present at the surface of the membrane is conveyed to a pressure |
| 6655217 |
Transmitter |
December 2, 2003 |
| A transmitter is provided whose operation is not impaired by ambient influences, having a measurement sensor (3), an electronic unit (11) arranged in a housing (1) on a printed circuit board (9), an operating element (15), which can be operated from outside the housing (1), and a tra |
| 6631644 |
Differential pressure pickup |
October 14, 2003 |
| A differential pressure pickup with a small hysteresis volume which has a sensor element, two pressure measuring chambers adjacent thereto, two pressure receiving chambers closed off by separating diaphragms and two overload chambers separated from each other by an overload diaphragm, in |
| 6619117 |
Level measuring instrument |
September 16, 2003 |
| Provision is made for a level measuring instrument for measuring a level of a filled material (1) in a container (3), in the case of which electromagnetic signals (S) generated by means of an electronic circuit (5) are guided into the container (3) via a waveguide (17) and signals (R) |
| 6615665 |
Pressure measuring device |
September 9, 2003 |
| A pressure measuring device with a housing (21, 53) and a pressure measuring cell is provided, the pressure measuring cell being protected from interference, in particular independently of its installation position in the housing (21, 53), and comprising: a housing (21, 53), a pressu |
| 6606904 |
Filling level gage |
August 19, 2003 |
| A filling level gage operating with microwaves, for measuring a filling level of a filling material (5) in a container (1), is provided which functions with a single antenna (7) constructed as simply as possible, and in which a minimum distance required for measurement between the fillin |
| 6595064 |
Capacitive pressure sensor |
July 22, 2003 |
| A diaphragm 30 and basic body 20 of a pressure sensor 10 are interconnected via a joint F. A groove 26 is provided in the basic body 20 in order to reduce the stress concentration in the region of the joint F. |
| 6581469 |
Differential pressure sensor and method of differential pressure measurement |
June 24, 2003 |
| A differential pressure sensor, for determining the differential pressure between two measuring points, comprises a pressure vessel which is filled with a transfer fluid; a measuring cell which is arranged in the pressure vessel and is surrounded by the transfer fluid, with two half-cell |
| 6559657 |
Probe mapping diagnostic methods |
May 6, 2003 |
| A method and apparatus for processing a time domain reflectometry (TDR) signal having a plurality of reflection pulses to generate a valid output result corresponding to a process variable for a material in a vessel. The method includes the steps of determining a reference signal along a |
| 6549174 |
Apparatus for transmitting radio-frequency signals |
April 15, 2003 |
| The invention relates to an apparatus for transmitting radio-frequency signals using a signal generation unit (2), a signal line (3), a radiating element (4) and a waveguide (5) which is terminated in an end region by a back wall (6), where the signal generation unit (2) generates the |
| 6539819 |
Sensor with moisture protection |
April 1, 2003 |
| A sensor which includes a sensor section and an electronics section. The sensor section includes a sensor element. The electronics section includes a insert containing electronics. A passageway extends between the sensor section and the electronics section, through which the electronics |
| 6516670 |
Pressure sensor |
February 11, 2003 |
| A pressure sensor is provided having a housing, a process connection which is connected to the housing and serves to feed a medium whose pressure (p) is to be measured to a membrane which his arranged in the housing, said membrane, in operation, undergoing a deflection which depends on t |
| 6516364 |
Method for time coordination of the transmission of data on a bus |
February 4, 2003 |
| In a method for time coordination of the transmission of cyclic data values on a bus to which data transmitters and data receivers are connected, each data transmitter is assigned a cycle time in which it periodically transmits its data values, wherein the cycle times are integer multipl |
| 6512358 |
Measuring device for measuring a process variable |
January 28, 2003 |
| The invention is directed to a measuring device for measuring an industrial process variable with a predetermined maximum power consumption by the measuring device. More specifically, the invention relates to a measuring device for connection to a current loop, in particular a 4-20 ma cu |
| 6499352 |
Pressure measuring cell |
December 31, 2002 |
| A ceramic pressure measuring cell with a basic body (1, 3), a diaphragm (5) connected to the basic body (1, 3) to form a measuring chamber (7, 9), which during operation undergoes a deflection dependent on a pressure (p.sub.1 -p.sub.2) to be measured and the deflection of which is re |
| 6499346 |
Filling level measuring device operating with microwaves |
December 31, 2002 |
| This level measuring instrument which operates with microwaves, has a radiation characteristic with a pronounced forward lobe and can be used to transmit and/or receive microwaves with a large frequency bandwidth. A housing section is designed as a waveguide short-circuited at one side a |
| 6481276 |
Device for measuring the filling level of a filling material in a container |
November 19, 2002 |
| The present invention relates to a device for measuring the filling level of a filing material in a container, having a sensor and a control/evaluation unit. The invention provides a device which permits optimized determination of the filling level and/or the monitoring of the fillin |
| 6469599 |
Assembly for the pressure-tight separation of a first waveguide from a second waveguide and meth |
October 22, 2002 |
| The invention concerns an assembly for the pressure-tight separation of a first waveguide (12) from a second waveguide (16), having a pressure-resistant conductor body (22) and a first adaptor (26), which is arranged between the first waveguide (12) and the end of the conductor body |
| 6437989 |
Circuit board with an electronic component and a method for producing a connection between the c |
August 20, 2002 |
| This circuit board contains electronic components having electrical contacts. At least one of the electrical contacts is initially glued to the circuit board using a conductive adhesive and at least one of the electrical contacts is connected to the circuit board by soldering. The ci |
| 6435025 |
Apparatus for determining a physical variable of a liquid or solid medium |
August 20, 2002 |
| The object of the present invention is to propose an apparatus for determining a physical variable of a medium (2) in which the formation of deposits or buildups of the medium (2) on a subelement (4) of the apparatus (1) which comes into contact with the medium (2) is reduced or avoi |
| 6427900 |
Active brazing solder for brazing alumina-ceramic parts |
August 6, 2002 |
| The active brazing solder for brazing ceramic parts of alumina, particularly of high-purity alumina, contains a maximum of 12 wt. % Ti, a maximum of 8 wt. % Be, and less than 16.5 wt. % Fe, the remainder being Zr and any impurities that may be present. The active brazing solder has the |
| 6427129 |
Measuring assembly |
July 30, 2002 |
| The measuring assembly comprises a sensor module containing at least one sensor and an analog/digital converter for digitizing the analog measurement signal furnished by the sensor as well as an analyzer module with means for digitally processing the digitized measurement data furnis |
| 6425291 |
Relative-pressure sensor having a gas-filled bellows |
July 30, 2002 |
| A relative-pressure sensor is provided which is protected against contaminants and/or moisture and manages without an oil filling, having a gas-filled measuring chamber (5), which is sealed with a pressure-sensitive measuring diaphragm (3), on the outside of which a pressure (P) to b |
| 6422085 |
Flush-diaphragm relative pressure sensor |
July 23, 2002 |
| In this flush-diaphragm relative pressure sensor (1), the reference air reaches its current dew point before getting into the interior of the housing. The sensor has a capacitive, resistive, or piezoelectric sensing element (2) with a diaphragm (21) an external surface of which comes int |
| 6420816 |
Method for exciting lamb waves in a plate, in particular a container wall, and an apparatus for |
July 16, 2002 |
| In order to excite Lamb waves in a plate or container wall, an IDT transducer (interdigital transducer) is employed. The IDT comprises a layer composed of piezoelectric material, and on one of whose surfaces two electrodes which engage in one another like fingers are applied. The IDT |
| 6417748 |
Filling level measuring device operating with microwaves, having an insert composed of a dielect |
July 9, 2002 |
| A description is given of a filling level measuring device operating with microwaves, having a housing and an insert composed of a dielectric, and of a process for producing the dielectric, in which the dielectric constant of the insert is adjustable and in which the insert has a high |
| 6415660 |
Method and apparatus for the highly accurate determination of the filling level of a product in |
July 9, 2002 |
| The invention relates to a method for the highly accurate determination of the filling level (q) of a product (4) in a container (2), measuring signals being transmitted in the direction of the surface (5) of the filled product (4) and reflected at the surface (5) as echo signals and |
| 6414242 |
Measurement device having a cable probe, and a method for shortening the cable probe |
July 2, 2002 |
| A measurement device for measuring medium levels having a cable probe including a cable, and a method for shortening the cable of the cable probe are discussed. The cable is shortened without the need to remove the housing of the measurement device. The device has a housing in which |
| 6409224 |
Fastening means |
June 25, 2002 |
| A fastening means (7) is proposed for bushings of all types on housings (1), in particular plastic housings, on which at least two bushings (2a, 2b) are formed on in the form of short, hollow-cylindrical projections, which permit accesses into the housing interior and on which various |
| 6389891 |
Method and apparatus for establishing and/or monitoring the filling level of a medium in a conta |
May 21, 2002 |
| The invention relates to a method and an apparatus for establishing and/or monitoring the filling level of a medium in a container and to the determination of the density of a medium in a container.It is the object of the invention to propose a method and an apparatus which permit reliab |
| 6386055 |
Sensor apparatus for transmitting electrical pulses from a signal line into and out of a vessel |
May 14, 2002 |
| A sensor apparatus (1) designed for industrial applications is provided for transmitting electrical pulses from a signal line (2) into and out of a vessel to measure a process variable, which has a low outer diameter, preferably of 11/2" or lower, while providing high mechanical stabilit |
| 6374680 |
Capacitive pressure sensor or capacitive differential pressure sensor |
April 23, 2002 |
| The electrodes of these pressure or differential pressure sensors are formed using a technique other than silk-screen printing or sputtering: The pressure sensor (10) has a substrate (1) and a first major surface (11), a second major surface (12) and a circumferential surface (13. A |
