METTLER-TOLEDO AG Patent applications |
Patent application number | Title | Published |
20150198476 | DRAFT SHIELD FOR A BALANCE - A draft shield ( | 07-16-2015 |
20140233601 | THERMOANALYTICAL INSTRUMENT - A thermoanalytical instrument, and especially a differential scanning calorimeter, has first and second measurement positions, a heater and a temperature sensor associated with each of the measurement positions, and a controller. The controller, which has an associated means for setting a predetermined temperature program, controls a heating power of the first heater to cause the temperature measured at the first position to follow the temperature program. The controller also controls both heaters to eliminate any temperature difference between the measured first and second temperatures. The controller also provides a means for determining the lower of the measured first and second measured temperatures and applies additional power to the heater associated with that lower measured temperature. | 08-21-2014 |
20140190754 | FORCE-MEASURING MODULE FOR A FORCE-MEASURING DEVICE USING A PLURALITY OF SUCH MODULES - A multiple force-measuring device, especially a multiple weighing device has at least two force-measuring modules. Each force-measuring module includes a force-measuring cell and a power delivery means. The power delivery means of at least one of the force-measuring modules in this arrangement is connected, directly or through a junction element, to a control cable that is connected to a power supply unit. The force-measuring modules are connected directly to each other through a module-connection cable that transfers electrical power therebetween. | 07-10-2014 |
20140034515 | REFERENCE ELECTRODE - A reference electrode with an in-situ modified porous diaphragm has at least one housing ( | 02-06-2014 |
20140020960 | FORCE-MEASURING DEVICE WITH SLIDING WEIGHT - A force-measuring device ( | 01-23-2014 |
20130233045 | FORCE-TRANSMITTING MECHANISM WITH A CALIBRATION WEIGHT THAT CAN BE COUPLED AND UNCOUPLED - A force-transmitting mechanism ( | 09-12-2013 |
20130220711 | WEIGHING CELL BASED ON THE PRINCIPLE OF ELECTROMAGNETIC FORCE COMPENSATION WITH OPTOELECTRONIC POSITION SENSOR - A weighing cell based on the principle of electromagnetic force compensation and having an optoelectronic position sensor that includes a light source, a light receiver, and a shutter vane. The light receiver functions to generate a position sensor signal corresponding to a deflection of the shutter vane from a zero position which occurs as a result of placing a load onto a load receiver of the weighing cell. A controller functions to regulate compensation current in response to the position sensor signal in such a way that the shutter vane and the movable parts of the weighing cell connected to the shutter vane are returned to the zero position by the electromagnetic force between a coil and permanent magnet system of the weighing cell. | 08-29-2013 |
20130192715 | DOSAGE-DISPENSING DEVICE FOR FREE-FLOWING SUBSTANCES - A device that dispense dosages of a free-flowing substance has a support column with a horizontal support arm ( | 08-01-2013 |
20130175098 | DEVICE AND METHOD FOR THE ADJUSTMENT OF AN ECCENTRIC LOAD ERROR IN A PARALLEL-GUIDING MECHANISM - A parallel-guiding mechanism ( | 07-11-2013 |
20130161103 | WEIGHING CELL BASED ON THE PRINCIPLE OF ELECTROMAGNETIC FORCE COMPENSATION WITH OPTOELECTRONIC POSITION SENSOR - A weighing cell based on the principle of electromagnetic force compensation. A permanent magnet system is mounted on a base part and includes an air gap within which is suspended a coil that is connected to a load receiver through a force-transmitting mechanism. The coil carries an electrical compensation current when the weighing cell is in operation. An optoelectronic position sensor is also included, and its signal corresponds to the deflection of the coil from a zero position which occurs as a result of placing a load on the load receiver. A closed-loop controller regulates the compensation current in response to the sensor signal in such a way that the coil and the load receiver that is connected to it are returned to their zero position by the electromagnetic force that is acting between the coil and the permanent magnet. | 06-27-2013 |
20130145818 | SENSOR UNIT UTILIZING A CLAMPING MECHANISM - A sensor unit for attachment to a container such as a bag or other vessel used to retain material includes a clamping mechanism for attaching the sensor unit to the container. The clamping mechanism may be configured to break or provide an indication that the connection between the sensor and container has broken that is visually detectable before a leak of material occurs or is detectable by a person visually monitoring the container or sensor. Such an indication can also indicate that the sensor was previously used and should not be used again for single use applications. Such a visual indicator is separate and different from seeing an actual leak and permits an event that may desterilize material within the container or lead to other problems to be corrected prior to use of a single use reaction system. | 06-13-2013 |
20130081455 | INSTRUMENT FOR GRAVIMETRIC MOISTURE DETERMINATION WITH ELECTRICAL CONTACT - An instrument ( | 04-04-2013 |
20130081454 | INSTRUMENT FOR GRAVIMETRIC MOISTURE DETERMINATION WITH TEMPERATURE SENSOR - An instrument ( | 04-04-2013 |
20130081453 | INSTRUMENT FOR GRAVIMETRIC MOISTURE DETERMINATION WITH GLASS SHIELD - An instrument ( | 04-04-2013 |
20130081452 | INSTRUMENT FOR GRAVIMETRIC MOISTURE DETERMINATION WITH POSITION-CHANGING DEVICE - An instrument ( | 04-04-2013 |
20130074581 | SAMPLING DEVICE AND METHOD OF USE THEREOF - An sampling device for capturing a material sample and a method of using said device to process said material sample in situ within the device. Embodiments of the invention may be disposed as elongate probes having extendable sample capture elements. A sample capture element of such a device may include a sample capture pocket located near a distal end thereof for capturing and trapping a sample of material. The sample capture pocket may be provided with a port for receiving material therein and a port for expelling material therefrom. These ports may be placed in communication with corresponding material transfer channels extending through the sample capture element to allow for the in situ processing of a material sample, and the subsequent discharge of the sample to an analyzer or another downstream location. | 03-28-2013 |
20130058374 | METHOD OF DETERMINING THE SOFTENING- OR DROPPING POINT - At least one of the softening point and the dropping point of a substance is determined with a measuring instrument that comprises a sample chamber ( | 03-07-2013 |
20130025344 | CHECK WEIGHT, METHOD AND SYSTEM TO ENSURE TRACEABILITY OF SAME - A check weight ( | 01-31-2013 |
20120312069 | FORCE-TRANSMITTING MECHANISM WITH A CALIBRATION WEIGHT THAT CAN BE COUPLED AND UNCOUPLED - A force-transmitting mechanism of a gravimetric measuring instrument, with a stationary portion, and a load-receiving portion that is joined through a force-transmitting connection to a measurement transducer that is arranged on the stationary portion. A calibration weight may be coupled to the force-transmitting mechanism in such a way as to minimize the degree to which changes of the geometry can affect the force that the calibration weight exerts on the measurement transducer. | 12-13-2012 |
20120279608 | DOSAGE-DISPENSING DEVICE FOR FREE-FLOWING SUBSTANCES | 11-08-2012 |
20120180290 | SYSTEM AND METHOD FOR COUPLING AN EXTENDABLE ELEMENT TO AN ACTUATOR - A system and method for releasably coupling an extendable element to an actuator. Such a system may include an actuator housing with a specially adapted integral connecting end having a cavity therein. An extendable element may extend into the cavity through an opening in the connecting end of the housing and be coupled to a motive element of the actuator by a rotatable collar that resides in the cavity. A cover plate forms a part of the actuator housing connecting end. The cover plate compliments the integral portion of the connecting end and, in conjunction therewith, encloses the collar and the coupled portion of the extendable element. A substantially hollow end cap is passed over the extendable element and releasably attached to the actuator housing to enclose the distal connecting end thereof. In some embodiments, the coupled extendable element may reciprocate within an outer tube that is also releasably attached to the actuator housing. | 07-19-2012 |
20120173168 | METHOD FOR THE TEMPERATURE-CORRECTION OF A FORCE-MEASURING DEVICE, AND FORCE-MEASURING DEVICE - An exemplary method for the temperature correction of a force-measuring device such as a balance is disclosed. The method includes generating, by means of a force-measuring cell, a force measurement signal corresponding to the input force; generating an electrical temperature measurement signal by means of a temperature sensor that is arranged at a distance from the heat-generating components of the force-measuring device, processing the force measurement signal into a temperature-corrected output signal based on the temperature measurement signal and the force measurement signal; and transmitting the output signal to an indicator unit and/or to a further processing unit. | 07-05-2012 |
20120170053 | APPARATUS FOR MEASURING THE DIMENSIONS OF AN OBJECT - In an apparatus for measuring the dimensions of an object, an opto-electronic sensor system includes an illumination device which sends light towards the object and a receiving device which receives light reflected from the object. In particular, the apparatus includes means for optically splitting the field of view of the opto-electronic sensor system into a plurality of sectors. Each of these sectors covers at least a partial view of the object under inspection from a unique viewing point. The arrangement of the optical splitting means is selected so that based on the respective field of view and the location of the actual or virtual viewing point of each sector the area on the object surface which is visible from at least one of said viewing points is maximized. The apparatus uses only one opto-electronic sensor, but obtains multi-perspective imaging of the object. | 07-05-2012 |
20120141338 | SAMPLE CAPTURE ELEMENT FOR SAMPLING DEVICE - An extendable sample capture element for use in a sampling device designed to extract samples, such as reaction/reactant samples, from vessels such as reactor vessels. A sample capture element of the present invention includes one or more concave sample pockets that may be of various shape and volume. A sample capture pocket is adapted to capture a known volume of material when the sample capture element is extended into said material. The material sample remains trapped in the sample capture pocket upon sample capture element retraction. When multiple pockets are present, at least one pocket may function as a mixing pocket. Ports in the sample pocket(s) may be placed in communication with corresponding material transfer channels extending through or along the sample capture element to allow for quenching, dilution and discharge of a captured material sample, such as discharge to an analyzer or another downstream location. | 06-07-2012 |
20120134230 | APPARATUS AND METHOD FOR THE DETECTION OF SOLID SUBSTANCES IN A LIQUID PHASE - An apparatus and a method detect the presence of solid particles in a liquid phase, where an at least partially transparent container encloses the solid particles and the liquid phase. The apparatus includes a camera to make digitized images in the form of arrays of pixels with their associated pixel values. The apparatus also includes an agitator device to hold the container and to impart movements to the container, transmitting kinetic energy to the mixture. The camera is aimed at a transparent portion of the container to take images of the mixture in motion. A processor unit, in electronic communication with the camera, receives and processes the digitized images of the mixture in motion, resulting in the generation of an analytical representation of the solid particles in the liquid. In this manner, the state of dissolution of the solid particles may be determined. | 05-31-2012 |
20120132674 | DOSAGE-DISPENSING UNIT FOR DOSAGE MATERIAL OF A POWDERY OR GRANULAR CONSISTENCY - A unit for dispensing a dosage material of a powdery or granular consistency has a housing and at least one dispensing head. At least one reservoir cavity is formed inside the housing and serves to receive dosage material. The at least one dispensing head is formed of an elastomeric material. The dispensing head has an outlet which is slit-shaped in its non-deformed state and is delimited by a first outlet lip and a second outlet lip. The outlet can be opened to a variable width by the application of a lateral compressive force. The arrangement further includes at least a first motion-transmitting means designed to impart an oscillatory movement to the first outlet lip relative to, and in the lengthwise direction of, the second outlet lip. | 05-31-2012 |
20120132317 | DOSAGE-DISPENSING DEVICE - A dosage-dispensing unit with an interior space, delimited by a lateral wall and a bottom portion. The bottom portion further includes an outlet orifice. The dosage-dispensing unit can be connected to a holder device of a dosage-dispensing device. The holder device is supported by constraints that allow movement in a prescribed direction. The outlet orifice has a central longitudinal axis that is oriented at a predetermined angle relative to this prescribed direction of movement. The internal surface of the bottom portion facing towards the interior space includes a surface region having at least a line segment that starts at the outlet orifice and extends in the prescribed direction of movement. | 05-31-2012 |
20120111646 | DRAFT SHIELD FOR A BALANCE - A draft shield ( | 05-10-2012 |
20120060593 | METHOD AND SAMPLE FOR TESTING A MEASURING INSTRUMENT FOR GRAVIMETRIC MOISTURE DETERMINATION - A predetermined test sample is used to test a measuring instrument ( | 03-15-2012 |
20120055579 | METHOD FOR THE PREPARATION OF SAMPLES - A method for the preparation of samples by means of a dosage-dispensing device, a weighing system with a load receiver, a processor unit, a memory unit, and an exchangeable dosage-dispensing unit. A target container is set on the load receiver. The dosage-dispensing unit and/or the target container includes electrically insulating material. The dosage-dispensing unit has the capability to change positions relative to the load receiver. While the dosage-dispensing unit is in a first position and a target container is on the load receiver, a starting weight value is determined, the dosage-dispensing unit is brought into a second position, a dosage-dispensing cycle delivers a dosage material in a predefined amount from the dosage-dispensing unit into the target container by means of the processor unit, the dosage-dispensing unit is brought into the first position, and while the dosage-dispensing unit is at rest in the first position, an ending weight value is determined. | 03-08-2012 |
20120010840 | CALIBRATION DEVICE FOR A FORCE-MESURING DEVICE, AND FORCE-MEASURING DEVICE - The invention concerns a calibration device ( | 01-12-2012 |
20110318243 | SAMPLING DEVICE - An in situ sampling device for capturing a material sample from a vessel. Embodiments of the present invention may be disposed as elongate probes having extendable sample capture elements. A sample capture element of such a device may include a concave sample capture pocket located near a distal end thereof. The sample capture pocket is adapted to capture a known volume of material when the sample capture element is extended into said material. The material sample remains trapped in the sample capture pocket upon sample capture element retraction. The sample capture pocket may be provided with a port for receiving material therein and a port for expelling material therefrom. These ports may be placed in communication with corresponding material transfer channels extending through the sample capture element. A device of the present invention provides for substantially contemporaneous sample capture and sample processing. | 12-29-2011 |
20110314900 | SAMPLING DEVICE AND METHOD - An in situ autosampling method and associated sampling device for capturing a material sample from a vessel. Methods of the present invention make use of a sampling device having an extendable sample capture element with a concave sample capture pocket located near a distal end thereof. The sample capture pocket is adapted to capture a known volume of material when the sample capture element is extended into said material. The material sample remains trapped in the sample capture pocket upon sample capture element retraction. Ports in the sample capture pocket may be placed in communication with corresponding material transfer channels extending through the sample capture element to allow for the in situ processing of a material sample, and the subsequent discharge of the sample to an analyzer or another downstream location. | 12-29-2011 |
20110296899 | LOAD CARRIER - A load carrier with a receiving pan for a free-flowing substance, a calibration weight holder for supporting a calibration weight, and a connector element for connecting the load carrier to a load receiver of a weighing cell. The receiving pan is arranged between the connector element and the calibration weight holder and is designed to be loaded with the free-flowing substance through a passage in the calibration weight holder. The calibration weight holder can be loaded with a calibration weight independently of the load status of the receiving pan. | 12-08-2011 |
20110286886 | LABORATORY INSTRUMENT FOR THE PREPARATION OF SAMPLES - A laboratory instrument for the preparation of samples includes a base housing with a work compartment enclosed by protective walls, at least one multifunctional work head having the ability to turn about a rotary axis pivotally supported on the base housing. At least two defined functional positions that can be aligned with at least one container platform which is arranged in the work compartment. The first functional position contains a receiving device which serves to hold a dosage-dispensing device with free-flowing dosage material, and each of the other functional positions contains an additional device. At least one of the protective walls has a cutout opening, and the at least one multifunctional work head is arranged partially in the cutout, so that portions of the at least one multifunctional work head lies both inside and outside of the work compartment. | 11-24-2011 |
20110259130 | METHOD OF MONITORING A POTENTIOMETRIC MEASURING PROBE - Method and system of monitoring a measuring probe which is in contact with a measurement medium and registers a measurement value of the measurement medium, wherein the method comprises determining and evaluating time-dependent values of a first and a second parameter, wherein the first parameter responds faster than the second parameter to changes in a process to which the measurement medium is subjected, and wherein both of the parameters are probe-specific parameters. | 10-27-2011 |
20110252898 | SAMPLING DEVICE - A sampling device allows samples to be taken from a fluid that is pressurized and/or contains volatile components. The sampling device has a sampling housing ( | 10-20-2011 |
20110232357 | CALIBRATION ARRANGEMENT FOR AN ELECTRONIC BALANCE - A method for adjusting a calibration arrangement of an electronic balance during the production process, wherein the calibration arrangement includes a transfer mechanism with a drive system, and wherein the calibration arrangement couples at least one calibration weight to the force-measuring device, said coupling being effected by the transfer mechanism transferring the calibration weight in a guided movement between a rest position and a calibration position. According to the method the distance between the end stops is determined by a counter system and stored into memory. Using the stored travel distance to calculate the rest position and the calibration position. | 09-29-2011 |
20110220686 | DOSAGE-DISPENSING UNIT FOR FREE FLOWING SUBSTANCES - A dosage-dispensing head has a body with an end surface and an area that couples the head to a source container. The end surface has an outlet opening connected to the coupling area. The head also has a slider, constrained to a guided linear sliding movement parallel to the end surface. An aperture-setting member of the body turns about a rotary axis, orthogonal to the end surface, to actuate the slider. An orifice opening of the aperture-setting member is configured so that the outlet opening is always within the area of the orifice opening. A passage opening of the slider is between the body and the aperture-setting member. By turning the aperture-setting member, the slider moves in a linear path, linearly displacing the passage opening relative to the outlet opening and varying the aperture width of the dosage-dispensing head. This regulates the flow rate of the free-flowing dosage material. | 09-15-2011 |
20110204088 | DOSAGE-DISPENSING DEVICE WITH A CHANGING MECHANISM FOR DOSAGE-DISPENSING UNITS - A device for dispensing a dosage includes a base frame, at least one device for receiving any dosage-dispensing unit or functional unit that is compatible to be inserted therein, a holder and at least one drive mechanism. The holder has at least one holding position for a dosage-dispensing unit or functional unit. A weighing cell arranged on a lower horizontal plane of the base frame includes a load receiver to receive a target container. A changing mechanism enables the receiving device to be moved horizontally relative to the base frame. This horizontal shift allows a dosage-dispensing unit or functional unit to be interchanged between the holding position and the receiving device. The changing mechanism also permits the receiving device, together with the drive mechanism, to be moved vertically with regard to the base frame. | 08-25-2011 |
20110203857 | METHOD OF MONITORING A FORCE-MEASURING DEVICE, FORCE-MEASURING DEVICE AND FORCE-MEASURING MODULE - A method, and a device that is operable according to the method, for monitoring the condition of a force-measuring device, particularly a weighing device having a movable force-transmitting portion through which a force that is acting on the force-measuring device is transmitted to a measurement transducer that generates a measurement signal corresponding to the applied force, whereupon the signal is brought into the form of a display indication or passed along for further processing. In the method and device of the invention, at least one parameter is determined, which parameter characterizes the free mobility of the force-transmitting portion, or a change in the free mobility of the force-transmitting portion over time. The parameter is then compared to at least one threshold value, and based on the result of the comparison an action of the force-measuring device may be triggered. | 08-25-2011 |
20110203701 | METHOD AND APPARATUS FOR THE FILLING OF TARGET CONTAINERS - A container is filled to a predetermined target mass of a free-flowing substance with the help of a device that dispenses measured doses of the substance. The dispensing device has a valve for variably adjusting the mass flow rate of the substance from a reservoir into the container. The dispensing device further includes a device to measure the elapsed time from the beginning of the filling process, a balance for determining the mass of the substance in the container, and a controller unit with a valve control module. The controller unit includes an adjusting module, where a predetermined desired mass flow rate is stored. At an elapsed time, if the mass flow rate is smaller or larger than the desired mass flow rate, the flow rate is, respectively, increased or decreased by a flow rate adjustment. An adaptive filter of the controller unit determines the mass flow rate. | 08-25-2011 |
20110197671 | LOAD RECEIVER DEVICE FOR DENSITY DETERMINATIONS - A load receiver device that serves to receive at least one solid body and to hold the solid body in place in a surrounding fluid during a density determination. Embodiments of the load receiver device include a hanger module that is adapted to establish a hanging connection to a part that is, in turn, connected to the weighing cell of a balance. Embodiments of the load receiver device further include a receiver module that is connected to the hanger module and serves to receive a solid body. The receiver module has a concavity that is designed to receive the solid body, and the orientation of the concavity can be selectively reversed to maintain the position of the solid body in the surrounding fluid during a density determination, regardless of whether the solid body will otherwise sink or float in the fluid. | 08-18-2011 |
20110192491 | RECEPTACLE FOR WEIGHING PRESCRIBED TARGET QUANTITIES OF SUBSTANCES - A receptacle for the weighing-in of free-flowing substances has a fill opening, a tubular-shaped circumference wall, and a bottom part. The bottom part is connected to the tubular-shaped circumference wall, which it tightly closes off in the direction of gravity when the weighing receptacle is in its operating position. The weighing receptacle can be set on the weighing pan of a balance and can be filled like a beaker with free-flowing substances without allowing the latter to escape therefrom. The bottom part can be opened either by an outside force acting on the weighing receptacle and/or through the influence of a solvent acting on the weighing receptacle, forming an outlet orifice in the bottom part. The weighing receptacle, otherwise tightly sealed in the direction of gravity, can be flushed out with a fluid when the outlet orifice is opened. | 08-11-2011 |
20110172934 | METHOD AND APPARATUS FOR THE FILLING OF TARGET CONTAINERS - A container is filled to a predetermined target mass of a free-flowing substance with the help of a device that dispenses measured doses of the substance. The device has a valve for variably adjusting the mass flow rate of the substance from a reservoir into the container. The device further includes a means for measuring the elapsed time from the beginning of the filling process, a balance for determining the mass of the substance in the container, and a controller unit for controlling the valve. The controller unit includes an adjustment module, and a memory unit wherein a desired mass flow rate is stored. At an elapsed time, if the mass flow rate is smaller or larger than the desired mass flow rate the flow rate is respectively increased or decreased by a flow rate adjustment. | 07-14-2011 |
20110163756 | METHOD AND DEVICE FOR DETECTING FAILURES IN INDUCTIVE CONDUCTIVITY MEASUREMENTS OF A FLUID MEDIUM - Exemplary embodiments of the present invention are directed to methods and devices for detecting open-circuit and short-circuit failure in an electromagnetic (inductive) measurement of the conductivity of liquids and on the sensor and cable wiring. An electromagnetic measurement of the conductivity of a liquid is performed by immersing a sensor into the liquid, wherein the sensor includes at least 2 toroidal cores, one of them carrying an excitation coil and the other carrying an induction coil. When an AC excitation voltage is applied to the excitation coil, an induced current or voltage can be measured in the induction coil which is proportional to the conductivity of the measured liquid. | 07-07-2011 |
20110147099 | FORCE-TRANSMITTING DEVICE WITH A CALIBRATION WEIGHT THAT CAN BE COUPLED AND UNCOUPLED - The disclosed embodiments describe force-transmitting devices for use in gravimetric measuring instruments. The force-transmitting devices scale the force from a calibration weight to facilitate calibration and weighing. The devices comprise unidirectional coupling elements. The unidirectional coupling element comprises coupling element parts. The elements may be adapted to transmit only a tensile force or only a compressive force to a measurement transducer. Adapting the unidirectional coupling element to transmit one type of force or the other may be done by selecting an appropriate arrangement of coupling element parts. The coupling element parts are adapted to transmit force along a midline axis by either a projection and v-shaped groove coupling or projections on the first part mated with surfaces on the second part adapted to receive and guide the first part. | 06-23-2011 |
20110140717 | METHOD AND DEVICE FOR INDUCTIVE CONDUCTIVITY MEASUREMENTS OF A FLUID MEDIUM - Exemplary embodiments of the present invention include methods and devices for the electromagnetic (inductive) measurement of the conductivity of liquids by immersing a sensor into the liquid, wherein the sensor includes at least 2 toroidal cores, one of said cores carrying an excitation coil and the other core carrying an induction coil. Exemplary methods include converting the induced current at the induction coil into an alternating square-wave voltage, followed by rectification. A sample-hold circuit may be employed to avoid the transition time of the alternating square-wave current conversion. The demodulated DC voltage is proportional to the conductivity of the measured liquid. | 06-16-2011 |
20110140716 | INPUT CIRCUIT FOR INDUCTIVE MEASUREMENTS OF THE CONDUCTIVITY OF A FLUID MEDIUM - Exemplary embodiments of the invention include an input circuit for electromagnetic (inductive) measurements of the conductivity of liquids. The input circuit and the induction coil are directly coupled, and the arrangement includes a current-voltage converting circuit which accomplishes the transformation from current to voltage in the induction coil, and ensures the terminal voltage to be zero. Also there is an anti-saturation circuit which is composed of an integrating circuit and a voltage dividing circuit and serves to prevent saturation in the operational amplifier which is used for the current-voltage transformation. The circuit further includes features for the detection of an open-circuit failure of the sensor coil or cable. | 06-16-2011 |
20110122913 | THERMAL ANALYSIS DEVICE - A thermal analysis device comprising a replaceable sensor that can be contacted via a contact element of an electrical contacting means, a heating element and a cooling element. The contact element(s) is thermally connected with the heating element and can be heated essentially independently of the operating state of the cooling element even when no sensor is mounted to the device. | 05-26-2011 |
20110036870 | DOSAGE-DISPENSING DEVICE FOR POWDERS AND PASTES - A dosage-dispensing device, which can be used for dosage materials in the form of powders or pastes, includes a housing with at least one receptacle compartment formed inside the housing for the purpose of holding the dosage material. The dosage-dispensing device further includes at least one dispensing head that comprises an elastic material and has an outlet for the dosage material. In the non-stressed condition, i.e. when there is no mechanical force or pressure acting on it, the outlet is tightly closed against the outside. When a force or pressure is applied, the outlet opens up, with the aperture width being variable, dependent on the applied force. Furthermore, inside the receptacle compartment and/or the dispensing head, there is at least one mechanical actuator element arranged through which the outlet can be opened. | 02-17-2011 |
20110017521 | GRAVIMETRIC MEASURING INSTRUMENT WITH RELEASABLE LOAD RECEIVER - A gravimetric measuring instrument that contains a weighing cell having a load-transmitting member. A load receiver can be coupled to the load-transmitting member through a releasable connection. A mechanical stop resides on the load-transmitting member, and a mechanical counter stop resides on the load receiver. By means of an eccentric bolt engaging the load receiver and the load-transmitting member, the mechanical stop can be pressed against the mechanical counter stop, whereby the stop can be clamped tight against the counter stop. With this arrangement, the load receiver can be rigidly but releasably secured to the load-transmitting member. | 01-27-2011 |
20110005295 | CALIBRATION WEIGHT ARRANGEMENT FOR AN ELECTRONIC BALANCE - A calibration weight arrangement ( | 01-13-2011 |
20110000321 | MEASUREMENT INSTRUMENT FOR DENSITY DETERMINATION - An instrument for measuring density, with a housing ( | 01-06-2011 |
20100328652 | REFRACTOMETER - A refractometer has a housing ( | 12-30-2010 |
20100326743 | DRAFT SHIELD FOR A BALANCE - A draft shield for a balance, the draft shield having a rear wall and rails extending forward from the top corners of the rear wall. The rails contain guide tracks for a top cover panel and two sidewalls. A draft shield of this design allows for easy cleaning and also permits the parts to be cleaned to be removed without a tool. To this end, a bottom edge of a front wall of the draft shield is inserted into a seat, such that the front wall can then be pivoted into flush alignment against the top cover panel and the sidewalls and can be secured in this position by locking elements arranged at the front ends of the rails. | 12-30-2010 |
20100294573 | CONTROLLED AND/OR REGULATED FORCE-MEASURING DEVICE - A force-measuring device | 11-25-2010 |
20100288660 | DRAFT PROTECTION DEVICE FOR A LABORATORY INSTRUMENT - A draft protection device for a laboratory instrument according to the invention encloses a weighing compartment that surrounds a balance pan and includes a rear wall, a front wall, two sidewalls, a top cover with at least one opening, and a floor that is delimited by border edges. The top cover is connected at least to one of the two sidewalls and/or the front wall and/or the rear wall in an arrangement where the top cover and the walls connected thereto are vertically movable together in relation to the balance pan. In addition, the vertically movable wall(s) are vertically moveable past the adjacent border edge(s) of the floor. In any vertical position of the top cover, at least one of the sidewalls is horizontally slidable relative thereto. | 11-18-2010 |
20100288566 | DRAFT PROTECTION DEVICE FOR A LABORATORY INSTRUMENT - A draft protection device for a laboratory instrument. The device encloses a weighing compartment that surrounds a balance pan. The draft protection device includes a rear wall, a front wall, two sidewalls, a top cover, and a floor that is delimited by border edges. The draft protection device further includes at least one guiding means that is connected to the top cover and serves to guide the movement of at least one horizontally slidable sidewall, and/or a holder means that is connected to the top cover and serves to hold the front wall in place, wherein the guiding means and/or the holder means supports the weight of the at last one sidewall and/or the front wall in such a way that the wall(s) is pushed by a biasing torque against the floor of the weighing compartment. This torque is supported by the border edge facing towards the respective wall. | 11-18-2010 |
20100276213 | LABORATORY INSTRUMENT WITH A PROTECTED WORKING COMPARTMENT - A laboratory instrument with a housing containing a weighing cell has a working compartment that is connected to the housing. The working compartment has a floor, a top cover, a rear wall, a front wall and two sidewalls. Arranged in the working compartment is a load receiver which is connected to the weighing cell. Also connected to the housing is at least one guiding device which serves to guide a linear movement and simultaneous swivel movement of individual portions of the front wall or the entire front wall. | 11-04-2010 |
20100230178 | BALANCE - A balance ( | 09-16-2010 |
20100203649 | OPTOCHEMICAL SENSOR ELEMENT - An optochemical sensor element | 08-12-2010 |
20100195695 | THERMO-ANALYTICAL INSTRUMENT - A thermo-analytical instrument, especially a differential scanning calorimeter has a sample position ( | 08-05-2010 |
20100193078 | DOSAGE-DISPENSING ELEMENT - The invention concerns to a dosage-dispensing element ( | 08-05-2010 |
20100193074 | DOSAGE-DISPENSING ELEMENT ON A CONTAINER FOR FREE-FLOWING OR POURABLE BULK MATERIALS - A dosage-dispensing element ( | 08-05-2010 |
20100170723 | WEIGHING OBJECT CARRIER FOR A BALANCE - A carrier for objects to be sequentially weighed is designed for connection to a load receiver of a weighing cell. The carrier has a supporting structure and a multi-compartment weighing tray. The supporting structure has an element for coupling the supporting structure to the load receiver and an element for connecting the weighing tray to the supporting structure in a guided and constrained manner. The weighing tray is seated or slid into place, leaving it free to perform a defined linear, swiveling, or rotary movement relative to the supporting structure. The weighing tray has at least two receiving compartments, arranged so that each can be sequentially moved into a defined loading position, fixed relative to the supporting structure. A positioning device, arranged between the supporting structure and the weighing tray, precisely aligns with the loading position the receiving compartment that is next to be moved into the loading position. | 07-08-2010 |
20100147882 | DOSAGE-DISPENSING DEVICE - A device for dispensing a dosage material has a container with an outlet spout and a metering element adjoining the outlet spout. The metering element has an inlet opening on a side facing the container and an outlet opening on a side that faces away from the container. A wall of the metering element extends between the openings. A film material can be inserted into the device which passes at least through the inlet opening and the slot-shaped outlet opening and covers the inside of the wall. The device also has a feature that stretches a portion of a tube section of the film material. This stretching device includes at least two locations for fastening the portion to be stretched, the two locations being arranged on a stretch line that is at an angle to the lengthwise direction of the tube section. | 06-17-2010 |
20100147049 | CHECK WEIGHT, METHOD AND SYSTEM TO ENSURE TRACEABILITY OF SAME - A check weight ( | 06-17-2010 |
20100084199 | MULTIPLE FORCE-MEASURING DEVICE, FORCE-MEASURING MODULE, AND METHOD FOR MONITORING A CONDITION OF THE MULTIPLE FORCE-MEASURING DEVICE - A multiple force-measuring device, especially a multiple weighing device has at least two force-measuring modules. Each force-measuring module includes a force-measuring cell and a power delivery means. The power delivery means of at least one of the force-measuring modules in this arrangement is connected, directly or through a junction element, to a control cable that is connected to a power supply unit. The force-measuring modules are connected directly to each other through a module-connection cable that transfers electrical power therebetween. | 04-08-2010 |
20100078228 | METHOD OF MONITORING THE CONDITION OF A FORCE-MEASURING DEVICE, FORCE-MEASURING DEVICE AND FORCE-MEASURING MODULE - A force measuring device, especially a weighing device, has at least one force-measuring module that includes a force-measuring cell, a communication means, a terminal and at least one communication line, through which communication signals are transmitted between the terminal and the communication means. In a method for determining the condition of such a device, at least one voltage present at the communication line or at the communication means is measured. The measured value, or a processed result therefrom, are transmitted through the communication line to the terminal. A parameter representing the condition of the force-measuring device is determined from the measurement value, or the processed result, in an accurate and simple manner. | 04-01-2010 |
20100051648 | DOSAGE DISPENSING DEVICE FOR POWDERS AND PASTES - A dispensing head for a powder or paste dosage material has a housing with an outlet opening, a bearing- and passage area, and at least one socket connected to a source container. A feeder chute is formed inside the housing. A closure shaft is in the bearing- and passage area, free to rotate about and to slide along its central longitudinal axis. The closure shaft is connected to a closure element arranged near the outlet opening. Moving the closure shaft in the axial direction controls the volume flow of the dosage material through the outlet opening. A limit stop restricts the displacement of the closure shaft along its central longitudinal axis. In the feeder chute, an opposing stop defines the closed position where the limit stop rests in direct contact against the opposing stop and the outlet opening is closed off by the closure portion of the closure element. | 03-04-2010 |
20100044119 | ADJUSTABLE PARALLEL-GUIDING MECHANISM FOR COMPACT GRAVIMETRIC MEASURING INSTRUMENTS - In a parallel-guiding mechanism, a stationary parallel leg surrounds a movable parallel leg. The movable parallel leg is connected to the stationary parallel leg and guided in vertical movement by first and second parallel-guiding elements, fastened respectively to the upper and lower end portions. The movable parallel leg can be connected to a load receiver and to a force-measuring cell through a force-transmitting connection in order to transmit the weighing load. Intermediate to, and connecting, the respective end portions is a tilt-adjustment feature, by which the end portions are tilt-adjusted relative to each other about at least one tilt axis to correct a corner load error. The tilt-adjustment feature is provided by at least one of: a pair of bending zones, a spherical joint and a ring-shaped constriction. | 02-25-2010 |
20100044118 | ADJUSTABLE PARALLEL-GUIDING MECHANISM, SPECIFICALLY FOR A GRAVIMETRIC MEASURING INSTRUMENT - A parallel-guiding mechanism has a vertically movable parallel leg that carries a weighing pan. The movable parallel leg is connected by two essentially horizontal parallel guides to a stationary parallel leg installed in a balance, wherein elastic flexure pivots are formed at the ends of the parallel guides. Incisions that reduce the material strength of the parallel leg in at least one appropriate location define at least one adjustment domain, thus forming a deformation zone which is plastically deformed through application of an adjustment force. In this manner, a corner load error of the parallel-guiding mechanism is corrected. | 02-25-2010 |
20100012678 | CONTAINER UNIT FOR THE STORAGE AND PROTECTION OF LABORATORY SUBSTANCES - A container unit for the storage and protection of laboratory substances includes a protective housing and a dosage-dispensing unit. To make the dosage-dispensing unit ready for use, the protective housing is removable. As a means to optimize the simplicity and safety of handling the unit and to achieve the required protection for the laboratory substance contained in it, at least one chamber is formed in the protective housing and filled with a treatment agent. The at least one chamber has a passage opening directed towards the interior space, with a chamber closure element allowing the passage opening to be closed gas-tight. The treatment agent inside the chamber can preferably be filled into the chamber and sealed off gas-tight with the chamber closure element already during the process of manufacturing the protective enclosure. | 01-21-2010 |
20100007493 | CONTAINER UNIT FOR THE STORAGE AND PROTECTION OF LABORATORY SUBSTANCES - A container unit for the storage and protection of laboratory substances includes a protective housing and at least one dosage-dispensing unit. The at least one dosage-dispensing unit includes a reservoir container and a dispensing head. To prepare the at least one dosage-dispensing unit for operation, the protective housing can be removed from the dosage-dispensing unit. The protective housing has a bottom part with at least one suitably shaped recess to provide a stable seat for the at least one dosage-dispensing unit, as well as a bell-shaped top. The top can be connected to the bottom part, so as to form a tightly sealed interior space. For transportation and storage purposes, the at least one dosage-dispensing unit is arranged in the interior space of the closed protective housing. | 01-14-2010 |
20100004876 | METHOD OF MONITORING AND/OR DETERMINING THE CONDITION OF A FORCE-MEASURING DEVICE, AND FORCE-MEASURING DEVICE - An interior space of the at least one housing of a force-measuring device is filled with a gas composition that is distinguishable in at least one parameter from the ambient atmosphere. A sensor that is arranged in the interior space, or on the housing, measures this distinguishable parameter. A processing unit of the force-measuring device compares signals obtained from the sensor to monitor and determine the condition of the force-measuring device. | 01-07-2010 |
20090319201 | SIGNAL-PROCESSING METHOD FOR USE IN A FORCE-MEASURING DEVICE AND FORCE-MEASURING DEVICE - A method, an arrangement and a program process a measurement signal generated in a measurement transducer of an electronic force-measuring device, particularly a balance. The generated measurement signal corresponds to the force acting on the transducer. The measurement signal is entered directly or by way of a pre-processing stage into a display function which assigns corresponding output values to the values of the measurement signal. The output values are subsequently presented in a display or passed on for further processing. The input range of the display function contains a capture range, so that the values of the measurement signal that lie within the capture range are assigned a common output value by the display function, and the position of the capture range within the input range is controlled dependent on the generated measurement signal. | 12-24-2009 |
20090310646 | METHOD FOR OPERATING A CALORIMETER - A method for operating a calorimeter and a calorimeter that is operable to perform the method, wherein the calorimeter has a reactor ( | 12-17-2009 |
20090310644 | THERMOANALYTICAL INSTRUMENT - A thermoanalytical instrument, and especially a differential scanning calorimeter, has first and second measurement positions, a heater and a temperature sensor associated with each of the measurement positions, and a controller. The controller, which has an associated means for setting a predetermined temperature program, controls a heating power of the first heater to cause the temperature measured at the first position to follow the temperature program. The controller also controls both heaters to eliminate any temperature difference between the measured first and second temperatures. The controller also provides a means for determining the lower of the measured first and second measured temperatures and applies additional power to the heater associated with that lower measured temperature. | 12-17-2009 |
20090308665 | WEIGHING DEVICE - Weighing device with at least one weighing cell and with a receiving structure serving to hold the at least one weighing cell, wherein the at least one weighing cell includes a first fastener device serving to fasten the weighing cell in the receiving structure, and the receiving structure includes a second fastener device which is a complementary counterpart of said first fastener device. The fastener devices include a detent engagement mechanism and are designed in such a way that they hold as well as release the weighing cell by means of a form-locking engagement which can be locked and released, respectively, by a simple action in the form of pushing in the direction of the load and pulling against the direction of the load. | 12-17-2009 |
20090293986 | METHOD AND DEVICE TO FILL RECEIVING CONTAINERS - A receiving container is filled with a predetermined target mass m | 12-03-2009 |
20090287445 | SYSTEM AND METHOD FOR CALIBRATING AND MONITORING THE CONDITION OF A SENSOR DEVICE - A system and method allow a sensor device that is used in a process stream to be efficiently calibrated and monitored as to its operating condition. The sensor device is a measuring probe with a sensor portion, a memory device and an electrical input/output port, arranged so the memory device is in communication with both the sensor portion and the input/output port. The sensor device may be connected through an electrical connector to either a first external source, such as a personal computer having an input/output port, remote from the process stream, or a second external source, such as a transmitter, proximate to the process stream. Operating software is accessible to at least the first external source for monitoring and calibrating. Database software is accessible to each of the external sources, for storing data on every measuring probe used in the system. | 11-19-2009 |
20090283337 | ENCAPSULATED WEIGHING CELL WITH ECCENTRIC LOAD ERROR ADJUSTMENT - A gravimetric measuring instrument has a weighing cell and a flexible, tubular-shaped encapsulation. The weighing cell has a parallel-guiding mechanism and at least one measurement transducer. The ends of the encapsulation are attached, respectively, to the stationary parallelogram leg and the movable parallelogram leg, so that at least the parallel-guiding mechanism and the measurement transducer are enclosed by the encapsulation, protecting them from dirt and humidity. In some aspects, the parallel-guiding mechanism has an adjustment region formed at one of the parallelogram legs which allows adjustment of the distance between at least one flexure pivot of the upper parallel-guiding member and a flexure pivot of the lower parallel-guiding member. This adjustment region is mechanically connected to at least one adjustment-setting area, which is arranged outside the encapsulation and allows changes to be made to the adjustment region. | 11-19-2009 |
20090251152 | METHOD AND DEVICE FOR MONITORING AND/OR DETERMINING THE CONDITION OF A MEASURING PROBE - The condition of an electrochemical measuring probe ( | 10-08-2009 |
20090194340 | BALANCE WITH DRAFT SHIELD ARRANGEMENT - A balance ( | 08-06-2009 |
20090159462 | METHOD OF REGENERATING AMPEROMETRIC SENSORS - A method for regenerating an amperometric sensor involves bringing the electrodes of the sensor into contact with an active, complex-forming regenerating solution and connecting the electrodes into an adjustable electric circuit. This forms an electrochemical cell. Then, at least one negative and/or positive voltage pulse is applied to the electrochemical cell to either oxidize or reduce deposits on at least one of the electrodes into a deposit product, which is dissolved into the regenerating solution. The electrodes are removed from the regenerating solution and from the electric circuit, rinsed with a rinsing solution, and dried. After this, the electrodes are brought into contact with the sensor electrolyte and their functionality is verified. A device for performing this method is also provided. | 06-25-2009 |
20090159153 | LABORATORY INSTRUMENT WITH A DOSAGE MATERIAL FUNNELING DEVICE - A laboratory instrument with a dosage-dispensing device for the delivery of measured doses of a dosage material in the form of a powder, paste or granulate into at least one target container is equipped with dosage material funneling device which is arranged between an outlet opening of the dosage-dispensing device and the target container. The dosage material funneling device includes an agitating means and at least one funnel holder arranged on the agitating means, wherein the funnel holder serves to receive an exchangeable funnel which in its installed condition in the laboratory instrument, when the latter is ready for operation, presents a profile which decreases in width in the direction of gravity. | 06-25-2009 |
20090157338 | MEASURING METHOD AND APPARATUS FOR POTENTIOMETRIC MEASURING PROBES - A method and device are disclosed for measuring potentiometric measuring probes. An exemplary method includes feeding two test voltages comprising a harmonic wave U | 06-18-2009 |
20090154520 | METHOD AND DEVICE FOR DETERMINING SPECIFIC HEAT CAPACITY - The specific heat capacity (c | 06-18-2009 |
20090145510 | TRANSFER DEVICE FOR LABORATORY CONTAINERS - A device connects a storage container to a working reservoir for transferring a substance from the storage container to the working reservoir. The device includes a housing which is joined to the storage container with either a fixed connection or a coupling means. A passage opening is formed on the housing, and a shutter that is movably connected to the housing serves to close the passage opening. The shutter has a connector port for each working reservoir. The shutter moves in a rotary or sliding manner relative to the housing between an open position and a closed position. In the closed position, the passage opening is closed off by the shutter, and in the open position the interior space of the storage container is connected through the passage opening to the interior space of the working reservoir which is seated in the at least one connector port. | 06-11-2009 |
20090125250 | METHOD AND DEVICE FOR MEASURING THE ELECTRICAL CONDUCTIVITY AND/OR RESISTIVITY OF A SOLUTION - An exemplary method for measuring the electrical resistance and/or electrical conductivity of solutions, includes: exciting the electrodes with a rectangular shaped, alternating current of a certain frequency f | 05-14-2009 |
20090122834 | TEMPERATURE MEASUREMENT DEVICE AND MEASUREMENT METHOD - An exemplary temperature measurement device includes a reference voltage source, a three-wire thermal resistor, a voltage drop amplifier, an operational amplifier and compensation resistors. By using connecting wires with resistance values of the compensation resistors, a relation between an output signal and a resistance of the thermal resistor gives rise to a monotonous function, which is independent of the resistances of the connecting wires. After A/D conversation of an output signal, the resistance of the thermal resistor and a temperature can be calculated based on known functions. Therefore, within an entire measurement range and any length of cable, an influence of the wire resistances can be compensated without switches or jumpers. | 05-14-2009 |
20090116335 | STIRRER UNIT - A stirrer unit includes a reaction vessel having an inlet port, a shaft stirrer having a stirrer blade and a stirrer shaft connected to the stirrer blade, and an adapter defining a passage. The adapter is configured to be inserted into the inlet port and releasably fastened to the inlet port using a fastening device so that, in a connected state, the stirrer blade and a part of the stirrer shaft is disposed inside the reaction vessel. Furthermore, in the connected state, an immersion depth to which the stirrer shaft extends into the reaction vessel is adjustable and securable using a locking device in at least two positions that are spaced apart from one another. | 05-07-2009 |
20090107208 | CALIBRATION WEIGHT ARRANGEMENT FOR AN ELECTRONIC BALANCE - A calibration weight arrangement ( | 04-30-2009 |
20090082996 | METHOD FOR TRANSMITTING MEASUREMENT VALUES IN A MULTI-MODULE FORCE-MEASURING DEVICE, MULTI-MODULE FORCE-MEASURING DEVICE, AND FORCE MEASURING MODULE - A method and associated apparatus transmits measurement values in a multi-module force-measuring device, in particular a multi-module weighing device, with at least two force-measuring modules. Each of the force-measuring modules includes a force-measuring cell and a signal-processing unit. The signal-processing unit transmits the measurement values generated by the force-measuring cell by way of a signal line to a signal-evaluating unit. Under the method, each measurement value is converted into a bit sequence by the respective signal-processing unit. The first force-measuring module's bit sequence is transmitted to the signal-evaluating unit, and the bit sequences of the signal-processing unit of the further force-measuring modules are transmitted by way of the signal-processing unit of the first force-measuring module to the signal-evaluating unit. | 03-26-2009 |
20090078472 | CALIBRATION WEIGHT ARRANGEMENT FOR AN ELECTRONIC BALANCE - A force-measuring cell is designed for a receiving structure having multiple force-measuring cells of the same type. Each cell in the receiving structure occupies a design space whose dimensions, projected into a plane orthogonal to the load direction, is delimited by the design spaces of neighboring and/or is equal to the largest dimension of the cell in the plane. The cell has parallel-guiding diaphragms arranged on upper and lower surfaces thereof. The cell includes a calibration weight arrangement with a calibration weight which can be coupled to the cell, as well as a drive mechanism and a transfer mechanism for guidedly moving the calibration weight. An actuator works together with the transfer mechanism and a piezoelectric element that drives the actuator. The actuator has at least two interacting elements to repeatedly engage and release each other by frictional contact force which occurs during the travel movement in one direction. | 03-26-2009 |
20090078334 | DOSAGE-DISPENSING DEVICE AND DOSAGE-DISPENSING UNIT WITH AN ELECTROSTATIC CLOSURE DEVICE - A dosage-dispensing unit serving to store and dispense pulverous or granular dosage material has a housing which includes at least one receptacle space for dosage material and an outlet orifice connected to the receptacle space. The dosage-dispensing unit further includes at least one electrostatic coagulant means which affects the build-up and/or the break-down of a closure plug consisting of dosage material and/or of an aperture shutter consisting of dosage material in the outlet orifice. The closing or narrowing of the outlet orifice thus occurs as a result of the electrostatic attraction and coagulation of dosage material leading to at least partial obstruction of the outlet orifice with the dosage material by the build-up of a closure plug or an aperture shutter. | 03-26-2009 |
20080309922 | ATTENUATED TOTAL REFLECTION SENSOR - An attenuated total reflection (“ATR”) sensor ( | 12-18-2008 |
20080308579 | Dosage-Dispensing Device for Substances in Powder- or Paste Form - A dosage-dispensing device for substances in powder- or paste form is equipped with a supply container and a dosage-dispensing head which is connected or connectable to the supply container and which has a housing with an outlet orifice of circular cross-section. The dosage-dispensing head further has a delivery- and closure element, wherein the outlet orifice and the delivery- and closure element are arranged on the central lengthwise axis of the dosage-dispensing head, and the delivery- and closure element is designed to be rotatable about the central lengthwise axis in relation to the housing and to be capable of translatory displacement along the central lengthwise axis relative to the outlet orifice. The delivery- and closure element in its basic configuration is of a cylindrical shape and has at least two closure portions that are arranged at a distance from each other along the central lengthwise axis and serve to close off the outlet orifice and further has, between the closure portions, a delivery portion that serves to deliver the substance to be dispensed, wherein said delivery portion comprises at least one recess that is indented from the cylinder wall. | 12-18-2008 |
20080302835 | DEVICE FOR DISPENSING DOSAGES OF SUBSTANCES IN POWDER- OR PASTE FORM - A dosage-dispensing device has a drive unit and a receiver for a dosage-dispensing unit. The drive unit has a drive shaft. The dosage-dispensing unit has a delivery orifice with a closure element that is disposed in the delivery orifice. The closure element is coupled to the drive shaft when the device is in an operating state. The closure element provides the delivery orifice with an aperture cross-section that varies between a closed position and a maximally open position. To couple the drive shaft to the closure element and to open the delivery orifice, the drive unit linearly advances towards the dosage-dispensing unit. A closure spring holds the closure element in a closed position up to the point of complete coupling. To prevent premature opening of the delivery orifice during the coupling process, the drive shaft has limited linear mobility in a direction away from the dosage-dispensing unit. | 12-11-2008 |
20080283555 | Dosage-Dispensing Device For Substances In Powder-Or Paste Form - A dosage-dispensing device, for substances in powder- or paste form, includes a supply container and a dosage-dispensing head that is connected or connectable to the supply container. A housing has an outlet orifice of circular cross-section and a delivery- and closure element with a closure portion serving to close off the outlet orifice. The device further has a conveying tool with at least one conveying element that serves to direct the substance to the outlet orifice, wherein the outlet orifice and the delivery- and closure element are arranged on the central lengthwise axis of the dosage-dispensing head. The conveying tool is rotatable about the central lengthwise axis in relation to the housing and the at least one conveying element is designed to move on a circular path about the central lengthwise axis. The delivery- and closure element includes a delivery portion which serves to deliver a substance that is to be dispensed, and the delivery- and closure element is configured to be rotatable about the central lengthwise axis in relation to the housing and to be capable of translatory displacement along the central lengthwise axis relative to the outlet orifice. The at least one conveying element of the conveying tool which serves for the delivery of substance is slanted in the direction of its rotation at an acute angle to the plane of its circular path. | 11-20-2008 |
20080262651 | HOLDING RACK FOR DOSAGE UNITS WITH AN ACTIVE USER-GUIDING MEANS - A holding rack ( | 10-23-2008 |
20080230281 | PLATFORM FOR A BALANCE - A weighing lift has a single-piece platform for an electronic balance and a holder into which the platform can be plugged. The platform has a load-receiving area for an object to be weighed, a centering pin and a rotation-blocking element. The rotation-blocking element is arranged between the load-receiving area and the centering pin. The single-piece platform is preferably made from a sheet metal material. The platform can be plugged substantially without loose play into the holder. The holder has at its end a first coupling portion with a wedge-shaped groove serving to receive the rotation-blocking element. It also has a body in which a receiving seat is formed for the centering pin, which serves to position the platform parallel to the load direction of the object. | 09-25-2008 |
20080218303 | COIL OF A FORCE-MEASURING SYSTEM, AND METHOD OF MANUFACTURING THE COIL - A multi-layered electromagnetic coil for a force-measuring system is based upon the principle of electromagnetic force compensation, as is a method for manufacturing the coil. The coil has a multifilar, specifically bifilar, wiring arrangement of coil wires. Preferably, the coil wires have a substantially rectangular cross-sectional profile. The cross-sectional profile of the coil wire is designed for achieving the densest possible packing of the windings in the coil can be achieved. | 09-11-2008 |
20080208546 | Method and Device for Analyzing Substances - The invention relates to a method for analyzing substances during which a substance is subjected to an excitation and a corresponding response is observed. The evaluation ensues in such a manner that a parametric model for the correlation between the excitation and the response is predetermined. The model parameters are determined from values of the excitation and from observed values of the response in the time domain. The transfer function is calculated therefrom in the frequency range, and characteristic quantities of the substance are directly calculated from the transfer function. | 08-28-2008 |