Patents by Inventor Joerg Lehmann
Joerg Lehmann 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: 12165819Abstract: The present disclosure provides a contact actuating unit for an electrical circuit breaker. The contact actuating unit includes an electro-mechanical device. An actuator of the electro-mechanical device is connected to a contact arrangement in the electrical circuit breaker. The contact actuating unit further comprises a control unit. The control unit is configured to control the electro-mechanical device to move the actuator and to bring the contact arrangement from a first to a second position. The contact actuating unit further includes a command feed forward or motion trajectory and feed forward controller, configured to provide one or more data signals. At least one of the provided data signals is indicative of a predetermined force and/or torque value, adapted to command the control unit to move the contact arrangement with the actuator to a predetermined position.Type: GrantFiled: January 5, 2021Date of Patent: December 10, 2024Assignee: Hitachi Energy LtdInventors: Frederick Kieferndorf, Joerg Lehmann, Stefano Mattei
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Publication number: 20230352255Abstract: The present disclosure provides a contact actuating unit for an electrical circuit breaker. The contact actuating unit includes an electro-mechanical device. An actuator of the electro-mechanical device is connected to a contact arrangement in the electrical circuit breaker. The contact actuating unit further comprises a control unit. The control unit is configured to control the electro-mechanical device to move the actuator and to bring the contact arrangement from a first to a second position. The contact actuating unit further includes a command feed forward or motion trajectory and feed forward controller, configured to provide one or more data signals. At least one of the provided data signals is indicative of a predetermined force and/or torque value, adapted to command the control unit to move the contact arrangement with the actuator to a predetermined position.Type: ApplicationFiled: January 5, 2021Publication date: November 2, 2023Applicant: Hitachi Energy Switzerland AGInventors: Frederick KIEFERNDORF, Joerg LEHMANN, Stefano MATTEI
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Patent number: 11693041Abstract: A method for monitoring the electric insulation status of a piece of equipment for a medium-voltage or high-voltage electric system, which includes the following steps: acquiring detection data indicative of the behaviour of said piece of equipment, said detection data including a time sequence of measured discharge values related to partial-discharge events observed at subsequent observation instants in time; basing on said detection data, calculating stochastic data indicative of the electric insulation status of said piece of equipment, said stochastic data including probability values related to the observed partial-discharge events and calculated as a function of one or more characteristic parameters related to said partial-discharge events; basing on said stochastic data, calculating estimated data indicative of said one or more characteristic parameters related to said subsequent observation instants.Type: GrantFiled: May 14, 2021Date of Patent: July 4, 2023Assignee: ABB Schweiz AGInventors: Kai Hencken, Joerg Lehmann
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Patent number: 11373824Abstract: The present disclosure provides a gas-insulated high or medium voltage circuit breaker including a first arcing contact and a second arcing contact, wherein at least one of the two arcing contacts is axially movable along a switching axis, wherein during a breaking operation, an arc between the first arcing contact and the second arcing contact is formed in an arcing region; a nozzle including a channel directed to the arcing region, for blowing an arc-extinguishing gas to the arcing region during the breaking operation; a diffuser portion adjacent to the nozzle, for transporting the gas from the arcing region to a region downstream of the diffuser portion; a buffer volume directly downstream of the diffuser portion; and an enclosure confined within a housing of the circuit breaker.Type: GrantFiled: December 21, 2018Date of Patent: June 28, 2022Assignee: Hitachi Energy Switzerland AGInventors: Bernardo Galletti, Valeria Teppati, Emmanouil Panousis, Angelos Garyfallos, Branimir Radisavljevic, Joerg Lehmann, Christoph Reutlinger, Daniel Over, Patrick Stoller
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Patent number: 11300603Abstract: A method and system for condition monitoring electrical equipment includes detecting partial discharge impulses generated in the electrical equipment for at least one power cycle; obtaining first data representing the detected partial discharge impulses for the at least one power cycle; obtaining second data by phase-resolving the first data; obtaining third data by regularizing the second data; analyzing the third data into a first component and at least one second component; obtaining phase information of the first component; shifting the first component and the at least one second component in consideration of the obtained phase information; and generating a signal indicating a health state of the electrical equipment by comparing the shifted first and second components of the third data with their counterparts associated with an unhealthy electrical equipment.Type: GrantFiled: February 18, 2021Date of Patent: April 12, 2022Assignee: ABB SCHWEIZ AGInventors: Jiayang Ruan, Niya Chen, Rongrong Yu, Kai Hencken, Joerg Lehmann
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Publication number: 20210375567Abstract: The present disclosure provides a gas-insulated high or medium voltage circuit breaker including a first arcing contact and a second arcing contact, wherein at least one of the two arcing contacts is axially movable along a switching axis, wherein during a breaking operation, an arc between the first arcing contact and the second arcing contact is formed in an arcing region; a nozzle including a channel directed to the arcing region, for blowing an arc-extinguishing gas to the arcing region during the breaking operation; a diffuser portion adjacent to the nozzle, for transporting the gas from the arcing region to a region downstream of the diffuser portion; a buffer volume directly downstream of the diffuser portion; and an enclosure confined within a housing of the circuit breaker.Type: ApplicationFiled: December 21, 2018Publication date: December 2, 2021Applicant: ABB Power Grids Switzerland AGInventors: Bernardo GALLETTI, Valeria TEPPATI, Emmanouil PANOUSIS, Angelos GARYFALLOS, Branimir RADISAVLJEVIC, Joerg LEHMANN, Christoph REUTLINGER, Daniel OVER, Patrick STOLLER
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Publication number: 20210364566Abstract: A method for monitoring the electric insulation status of a piece of equipment for a medium-voltage or high-voltage electric system, which includes the following steps: acquiring detection data indicative of the behaviour of said piece of equipment, said detection data including a time sequence of measured discharge values related to partial-discharge events observed at subsequent observation instants in time; basing on said detection data, calculating stochastic data indicative of the electric insulation status of said piece of equipment, said stochastic data including probability values related to the observed partial-discharge events and calculated as a function of one or more characteristic parameters related to said partial-discharge events; basing on said stochastic data, calculating estimated data indicative of said one or more characteristic parameters related to said subsequent observation instants.Type: ApplicationFiled: May 14, 2021Publication date: November 25, 2021Inventors: Kai Hencken, Joerg Lehmann
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Publication number: 20210260937Abstract: A measuring device for a deformable vehicle tire having a sensor unit, a first data processing unit, and a first radio unit, where the sensor unit is designed to be fastenable to the inside of the vehicle tire such that a radial acceleration acting in a radial direction on a tread of the vehicle tire can be detected by means of the sensor unit, where the first data processing unit is configured to determine a result value, relevant for a tire mileage of the vehicle tire, at least on the basis of the radial acceleration and at least one predetermined tire parameter of the vehicle tire, where each tire parameter characterizes a property of the vehicle tire, and where the first radio unit is designed to transmit a radio signal which represents the determined result value.Type: ApplicationFiled: July 22, 2019Publication date: August 26, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Adrian Cyllik, Joerg Lehmann, Bernd Lange
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Patent number: 11062862Abstract: The present disclosure provides a gas-insulated high or medium voltage circuit breaker including a first arcing contact and a second arcing contact, wherein at least one of the two arcing contacts is axially movable including a first and a second state of motion along a switching axis, wherein during a breaking operation, an arc between the first arcing contact and the second arcing contact is formed in an arcing region; a nozzle including a channel directed to the arcing region, for blowing an arc-extinguishing gas to the arcing region during the breaking operation; a diffuser adjacent to the nozzle, for transporting the gas from the arcing region to a region downstream of the diffuser; a buffer volume directly downstream of the diffuser, and an enclosure substantially surrounding the buffer volume circumferentially.Type: GrantFiled: December 21, 2018Date of Patent: July 13, 2021Assignee: ABB Power Grids Switzerland AGInventors: Bernardo Galletti, Valeria Teppati, Emmanouil Panousis, Angelos Garyfallos, Branimir Radisavljevic, Joerg Lehmann, Christoph Reutlinger, Daniel Over, Patrick Stoller
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Publication number: 20210199707Abstract: A method and system for condition monitoring electrical equipment includes detecting partial discharge impulses generated in the electrical equipment for at least one power cycle; obtaining first data representing the detected partial discharge impulses for the at least one power cycle; obtaining second data by phase-resolving the first data; obtaining third data by regularizing the second data; analyzing the third data into a first component and at least one second component; obtaining phase information of the first component; shifting the first component and the at least one second component in consideration of the obtained phase information; and generating a signal indicating a health state of the electrical equipment by comparing the shifted first and second components of the third data with their counterparts associated with an unhealthy electrical equipment.Type: ApplicationFiled: February 18, 2021Publication date: July 1, 2021Inventors: Jiayang Ruan, Niya Chen, Rongrong Yu, Kai Hencken, Joerg Lehmann
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Publication number: 20210140978Abstract: The present invention relates to methods and apparatuses for monitoring the state of health of dairy cows, in particular of entire dairy herds. The method is based on analysing the haptoglobin (HP) biomarker and part of the polymeric immunoglobulin receptor (PIGR), the secretory component (Secretory Component, SC), in a milk sample. In particular, the claimed method and apparatus of the invention make it possible to diagnose mastitis or systemic diseases which occur outside the udder on the basis of the protein biomarker described here. The invention therefore makes it possible to regularly monitor the general state of health of a dairy herd. The present invention relates to non-invasive diagnostic methods and to apparatuses and diagnostic kits for carrying out these methods.Type: ApplicationFiled: October 8, 2020Publication date: May 13, 2021Inventors: Joerg LEHMANN, Katharina ZOLDAN
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Publication number: 20200395180Abstract: The present disclosure provides a gas-insulated high or medium voltage circuit breaker including a first arcing contact and a second arcing contact, wherein at least one of the two arcing contacts is axially movable including a first and a second state of motion along a switching axis, wherein during a breaking operation, an arc between the first arcing contact and the second arcing contact is formed in an arcing region; a nozzle including a channel directed to the arcing region, for blowing an arc-extinguishing gas to the arcing region during the breaking operation; a diffuser adjacent to the nozzle, for transporting the gas from the arcing region to a region downstream of the diffuser; a buffer volume directly downstream of the diffuser, and an enclosure substantially surrounding the buffer volume circumferentially.Type: ApplicationFiled: December 21, 2018Publication date: December 17, 2020Applicant: ABB Power Grids Switzerland AGInventors: Bernardo GALLETTI, Valeria TEPPATI, Emmanouil PANOUSIS, Angelos GARYFALLOS, Branimir RADISAVLJEVIC, Joerg LEHMANN, Christoph REUTLINGER, Daniel OVER, Patrick STOLLER
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Patent number: 10866250Abstract: Methods and apparatuses for monitoring the state of health of dairy cows, in particular of entire dairy herds are provided. The method is based on analysing the haptoglobin (HP) biomarker and part of the polymeric immunoglobulin receptor (PIGR), the secretory component (SC), in a milk sample. This allows diagnosis of mastitis or systemic diseases which occur outside the udder on the basis of the protein biomarker described here. This further allows regular monitoring of the general state of health of a dairy herd. Diagnostic methods, apparatuses, and diagnostic kits for carrying out these methods are included.Type: GrantFiled: June 9, 2016Date of Patent: December 15, 2020Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. VInventors: Joerg Lehmann, Katharina Zoldan
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Publication number: 20200122528Abstract: A crawler for capturing and determining state parameters or state data of vehicle tires mounted on a vehicle, with a vehicle chassis with at least two axles and at least three wheels or with a chain or caterpillar drive, a drive system (3) with at least one electric motor and a rechargeable battery pack, an electronic vehicle controller (4), a communication unit (5) for receiving data from a backend and for transmitting data to a backend, a sensor system (6) with receivers for receiving data from sensors installed in the tires and with sensors for capturing state parameters at the outside of the tires.Type: ApplicationFiled: January 18, 2018Publication date: April 23, 2020Applicant: Continental Reifen Deutschland GmbHInventors: Joerg Lehmann, Thorsten Koehler, Karl-Heinz Eglseder
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Publication number: 20180180632Abstract: The present invention relates to methods and apparatuses for monitoring the state of health of dairy cows, in particular of entire dairy herds. The method is based on analysing the haptoglobin (HP) biomarker and part of the polymeric immunoglobulin receptor (PIGR), the secretory component (Secretory Component, SC), in a milk sample. In particular, the claimed method and apparatus of the invention make it possible to diagnose mastitis or systemic diseases which occur outside the udder on the basis of the protein biomarker described here. The invention therefore makes it possible to regularly monitor the general state of health of a dairy herd. The present invention relates to non-invasive diagnostic methods and to apparatuses and diagnostic kits for carrying out these methods.Type: ApplicationFiled: June 9, 2016Publication date: June 28, 2018Inventors: Joerg LEHMANN, Katharina ZOLDAN
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Patent number: 9764603Abstract: A method for measuring the depth of tread in a vehicle tire includes measuring acceleration signals from a tire module arranged on the inner side of the tire. A minimum acceleration value is then determined during rotation of the vehicle tire and at a constant traveling speed whereafter the maximum internal radius of the inner side of the tire is determined in the center of a ground contact area of the vehicle tire. The depth of tread of the vehicle tire is determined with signal processing whereafter the determined depth of tread is transmitted to a receiving unit in the vehicle.Type: GrantFiled: March 9, 2015Date of Patent: September 19, 2017Assignee: Continental Reifen Deutschland GmbHInventors: Joerg Lehmann, Bernd Lange
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Patent number: 9731564Abstract: A method via which tire modules can be associated with tire positions on a vehicle includes: inputting vehicle data and tire information via a mobile detecting device; analyzing the input information via the detecting device; providing an instruction to the user of the detecting device indicating the first tire for performing a first tire module identification; positioning the detecting device near the first tire which is specified by the detecting device; activating an inquiry signal having a transmission frequency specified by the detecting device and a specified signal amplitude to a tire module arranged in the tire, wherein the tire module includes at least one sensor for tire-pressure monitoring; capturing a response signal from the tire module, wherein the response includes the identification data of the tire module; and, evaluating the response signal of the tire module and associating the identified tire module with a tire position.Type: GrantFiled: August 19, 2015Date of Patent: August 15, 2017Assignee: Continental Reifen Deutchland GmbHInventors: Joerg Lehmann, Adrian Cyllik, Joerg Hanna, Siva Sankar Surisetti, Andreas Scher
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Patent number: 9375983Abstract: An apparatus for displaying the state of the tire pressure for a vehicle tire of a truck trailer includes a lamp to optically display the tire pressure state. An arm is provided with the lamp arranged thereon. A mount fixes the arm to the truck trailer and the arm is made substantially of an elastomer material so as to cause the arm to be flexibly deformable when colliding with a foreign object. The arm reverts back to its initial configuration after such a collision as a result of its elastic material characteristic.Type: GrantFiled: June 30, 2014Date of Patent: June 28, 2016Assignee: Continental Reifen Deutschland GmbHInventors: Joerg Lehmann, Bernd Lange, Thomas Roesch
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Publication number: 20150352912Abstract: A method via which tire modules can be associated with tire positions on a vehicle includes: inputting vehicle data and tire information via a mobile detecting device; analyzing the input information via the detecting device; providing an instruction to the user of the detecting device indicating the first tire for performing a first tire module identification; positioning the detecting device near the first tire which is specified by the detecting device; activating an inquiry signal having a transmission frequency specified by the detecting device and a specified signal amplitude to a tire module arranged in the tire, wherein the tire module includes at least one sensor for tire-pressure monitoring; capturing a response signal from the tire module, wherein the response includes the identification data of the tire module; and, evaluating the response signal of the tire module and associating the identified tire module with a tire position.Type: ApplicationFiled: August 19, 2015Publication date: December 10, 2015Inventors: Joerg Lehmann, Adrian Cyllik, Joerg Hanna, Siva Sankar Surisetti, Andreas Scher
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Publication number: 20150231931Abstract: A tread profile for a vehicle tire includes a profile band running in an encircling manner over the circumference of the tread profile and a ripe having a first, a second and a third section. The first, second and third sections extend approximately axially and are straight lines in plan view. The first and third sections are arranged on a common imaginary straight line in plan view of the tread profile. The first and the third section having depth profiles deviating co-directionally from the radial direction. The second section has a depth profile deviating from the radial direction in the opposite direction. The second section, when the profile is new and viewed in plan, is arranged at an offset in the circumferential direction. The first and third sections conjointly define a first area. The second section defines a second area unequal to the first area.Type: ApplicationFiled: May 5, 2015Publication date: August 20, 2015Inventor: Joerg Lehmann