Patents by Inventor Stephan Baltisberger
Stephan Baltisberger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11892342Abstract: A parallel guide of a force transmission device has movable and fixed parallel legs, and first and second parallel guiding elements. Thin-point flexional bearings connect the parallel legs to the parallel guiding elements. The movable parallel leg is guided by the parallel guiding element on the fixed parallel leg. A force transmission lever, arranged on the fixed parallel leg, has a lever bearing, and a first lever arm. The force transmission lever is pivotably mounted on the lever bearing and the first lever arm is connected to the movable parallel leg to transmit force. The force-transmitting connection is produced by a coupling element having at least one further thin-point flexional bearing, with at least one functional region of the force transmission device being formed monolithically. A functional region associates at least one bearing point with at least one of the parallel legs, the force transmission lever, and the coupling element.Type: GrantFiled: December 14, 2018Date of Patent: February 6, 2024Assignee: Mettler-Toledo GmbHInventors: Arne Burisch, Hans-Rudolf Burkhard, Stephan Baltisberger, Urs Loher, Andreas Metzger
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Publication number: 20200340849Abstract: A parallel guide of a force transmission device has movable and fixed parallel legs, and first and second parallel guiding elements. Thin-point flexional bearings connect the parallel legs to the parallel guiding elements. The movable parallel leg is guided by the parallel guiding element on the fixed parallel leg. A force transmission lever, arranged on the fixed parallel leg, has a lever bearing, and a first lever arm. The force transmission lever is pivotably mounted on the lever bearing and the first lever arm is connected to the movable parallel leg to transmit force. The force-transmitting connection is produced by a coupling element having at least one further thin-point flexional bearing, with at least one functional region of the force transmission device being formed monolithically. A functional region associates at least one bearing point with at least one of the parallel legs, the force transmission lever, and the coupling element.Type: ApplicationFiled: December 14, 2018Publication date: October 29, 2020Inventors: Arne Burisch, Hans-Rudolf Burkhard, Stephan Baltisberger, Urs Loher, Andreas Metzger
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Patent number: 9360362Abstract: A force-measuring device (1) for a gravimetric measuring instrument has a stationary part (11) and a load-receiving part (12). Parallel guide members (14, 15) connect the receiving parts. The device also has at least one balance beam (19) connected to the load-receiving part through a coupling element (17) acting on a first lever arm (18) thereof, and which, at a second lever arm (20) thereof, is connected to a measurement transducer (22) which is arranged on the stationary part. Further levers (29, 30) can be arranged, respectively, between the first lever arm and the load-receiving part, and between the second lever arm and the measurement transducer. At least one sliding weight (23, 23A, 23B) is arranged on the at least one balance beam, wherein the position of each of the sliding weights present can be varied in a controlled way by means of at least one drive mechanism.Type: GrantFiled: July 19, 2013Date of Patent: June 7, 2016Assignee: Mettler-Toledo GmbHInventors: Andreas Metzger, Stephan Baltisberger, Hans-Rudolf Burkhard
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Patent number: 9116031Abstract: 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.Type: GrantFiled: February 28, 2013Date of Patent: August 25, 2015Assignee: Mettler-Toledo AGInventors: Christophe Béguin, Thomas Köppel, Stephan Baltisberger
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Patent number: 9086315Abstract: 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.Type: GrantFiled: December 18, 2012Date of Patent: July 21, 2015Assignee: Mettler-Toledo AGInventors: Andreas Metzger, Stephan Baltisberger, Hans-Rudolf Burkhard, Christophe Béguin, Markus Uster
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Patent number: 8800345Abstract: 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.Type: GrantFiled: June 10, 2011Date of Patent: August 12, 2014Assignee: Mettler-Toledo AGInventors: Andreas Metzger, Peter Schilling, Stephan Baltisberger, Hans-Rudolf Burkhard
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Publication number: 20140020960Abstract: A force-measuring device (1) for a gravimetric measuring instrument has a stationary part (11) and a load-receiving part (12). Parallel guide members (14, 15) connect the receiving parts. The device also has at least one balance beam (19) connected to the load-receiving part through a coupling member (17) acting on a first lever arm (18) thereof, and which, at a second lever arm (20) thereof, is connected to a measurement transducer (22) which is arranged on the stationary part. Further levers (29, 30) can be arranged, respectively, between the first lever arm and the load-receiving part, and between the second lever arm and the measurement transducer. At least one sliding weight (23, 23A, 23B) is arranged on the at least one balance beam, wherein the position of each of the sliding weights present can be varied in a controlled way by means of at least one drive mechanism.Type: ApplicationFiled: July 19, 2013Publication date: January 23, 2014Applicant: Mettler-Toledo AGInventors: Andreas Metzger, Stephan Baltisberger, Hans-Rudolf Burkhard
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Publication number: 20130299250Abstract: 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.Type: ApplicationFiled: July 12, 2013Publication date: November 14, 2013Inventors: Stephan Baltisberger, Andreas Metzger, Thomas Koeppel
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Patent number: 8309867Abstract: A force-measuring device 1, particularly a balance, operates on the principle of electromagnetic force-compensation. An electric coil 53 is arranged to be movable in a magnet system 50. The coil has at least two windings W1, W2 and a current supply device PB having at least two partial current sources PB1, PB2, the current sources each assigned to a corresponding winding. A device CU controls and/or regulates the current supplied to the windings by the partial current sources in such a way that, dependent on a force L acting on the force-measuring device, a current I1, I2 is sent through each of the windings. The sum of the at least two electromagnetic forces which are thereby generated forms the compensation force, while, at the same time, the power dissipated by the coil always takes on a given predetermined value Ptg.Type: GrantFiled: May 18, 2010Date of Patent: November 13, 2012Assignee: Mettler-Toledo AGInventors: Stephan Baltisberger, Thomas Köppel
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Publication number: 20110296899Abstract: 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.Type: ApplicationFiled: June 10, 2011Publication date: December 8, 2011Applicant: METTLER-TOLEDO AGInventors: Andreas Metzger, Peter Schilling, Stephan Baltisberger, Hans-Rudolf Burkhard
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Patent number: 7851713Abstract: 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.Type: GrantFiled: November 3, 2009Date of Patent: December 14, 2010Assignee: Mettler-Toledo AGInventors: Hans-Rudolf Burkhard, Dominique Genoud, Andreas Metzger, Stephan Baltisberger, Thomas Köppel
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Publication number: 20100294573Abstract: A force-measuring device 1, particularly a balance, operates on the principle of electromagnetic force-compensation. An electric coil 53 is arranged to be movable in a magnet system 50. The coil has at least two windings W1, W2 and a current supply device PB having at least two partial current sources PB1, PB2, the current sources each assigned to a corresponding winding. A device CU controls and/or regulates the current supplied to the windings by the partial current sources in such a way that, dependent on a force L acting on the force-measuring device, a current I1, I2 is sent through each of the windings. The sum of the at least two electromagnetic forces which are thereby generated forms the compensation force, while, at the same time, the power dissipated by the coil always takes on a given predetermined value Ptg.Type: ApplicationFiled: May 18, 2010Publication date: November 25, 2010Applicant: METTLER-TOLEDO AGInventors: Stephan Baltisberger, Thomas Köppel
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Patent number: 7829802Abstract: 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.Type: GrantFiled: November 3, 2009Date of Patent: November 9, 2010Assignee: Mettler-Toledo AGInventors: Hans-Rudolf Burkhard, Dominique Genoud, Andreas Metzger, Stephan Baltisberger, Thomas Köppel
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Publication number: 20100044118Abstract: 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.Type: ApplicationFiled: November 3, 2009Publication date: February 25, 2010Applicant: Mettler-Toledo AGInventors: Hans-Rudolf Burkhard, Dominique Genoud, Andreas Metzger, Stephan Baltisberger, Thomas Köppel
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Publication number: 20100044119Abstract: 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.Type: ApplicationFiled: November 3, 2009Publication date: February 25, 2010Applicant: Mettler-Toledo AGInventors: Hans-Rudolf Burkhard, Dominique Genoud, Andreas Metzger, Stephan Baltisberger, Thomas Köppel
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Publication number: 20080218303Abstract: 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.Type: ApplicationFiled: February 28, 2008Publication date: September 11, 2008Applicant: METTLER-TOLEDO AGInventors: Stephan Baltisberger, Andreas Metzger, Thomas Koeppel
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Patent number: 6367338Abstract: A force-measuring apparatus, particularly a weighing cell, has a stationary part 10, a load receiver 60, a measuring transducer 138, and a lever 100 for transmitting a force from the load receiver to the measuring transducer. An improved arrangement is proposed for changing the lever ratio by providing at least two different locations so that the fulcrum pivot flexures can be attached either at positions 112/212 and 118/318 or, alternatively, at positions 114/214 and 116/316 of the lever/stationary part.Type: GrantFiled: December 22, 1999Date of Patent: April 9, 2002Assignee: Mettler-Toledo GmbHInventors: Luzi Hess, Hans-Rudolf Burkhard, Stephan Baltisberger, Hans de Waal, Daniel Reber
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Patent number: D610030Type: GrantFiled: May 29, 2009Date of Patent: February 16, 2010Assignee: Mettler-Toledo AGInventors: Yves Marmier, Peter Schilling, Andreas Metzger, Stephan Baltisberger, Hans-Rudolf Burkhard