Patents by Inventor Stephan Wildermuth
Stephan Wildermuth 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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Publication number: 20230289951Abstract: A system for monitoring a switchgear includes: an infrared camera for acquiring at least one infrared image of the switchgear; a processing unit for determining a pixel in the at least one infrared image associated with a hottest temperature, determining e pixels in the at least one infrared image associated with a temperature that is within a threshold temperature of the hottest temperature, and determining that a hot spot exists in the switchgear as a determination, the determination being a utilization of the determined pixels in the at least one infrared image; and an output unit for outputting an indication of a fault in the switchgear based on the determined hot spot.Type: ApplicationFiled: May 19, 2023Publication date: September 14, 2023Applicant: ABB Schweiz AGInventors: Ralf Gitzel, Stephan Wildermuth, Joerg Gebhardt, Joerg Ostrowski, Patrik Kaufmann
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Patent number: 11694528Abstract: A low or medium voltage switchgear monitoring system includes: at least one sensor; a processing unit; and an output unit. The at least one sensor acquires sensor data within a compartment of a switchgear. The sensor data includes first sensor data. The sensor data includes second sensor data. The second sensor data is acquired a set time after the first sensor data. The at least one sensor provides the first sensor data and the second sensor data to the processing unit. The processing unit determines status information for a compartment of the switchgear based on a comparison of the second sensor data to the first sensor data. The output unit outputs the status information.Type: GrantFiled: March 1, 2021Date of Patent: July 4, 2023Assignee: ABB Schweiz AGInventors: Patrik Reto Kaufmann, Joerg Ostrowski, Stephan Wildermuth, Ralf Gitzel, Joerg Gebhardt
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Patent number: 11694320Abstract: A system for monitoring a switchgear includes: an infrared camera for acquiring at least one infrared image of the switchgear; a processing unit for determining a pixel in the at least one infrared image associated with a hottest temperature, determining e pixels in the at least one infrared image associated with a temperature that is within a threshold temperature of the hottest temperature, and determining that a hot spot exists in the switchgear as a determination, the determination being a utilization of the determined pixels in the at least one infrared image; and an output unit for outputting an indication of a fault in the switchgear based on the determined hot spot.Type: GrantFiled: August 28, 2020Date of Patent: July 4, 2023Assignee: ABB Schweiz AGInventors: Ralf Gitzel, Stephan Wildermuth, Joerg Gebhardt, Joerg Ostrowski, Patrik Kaufmann
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Publication number: 20230043212Abstract: A fault state detection apparatus includes an input unit and a processing unit. The input unit receives condition monitoring data. The processing unit implements a trained machine learning algorithm to analyze the received condition monitoring data to determine if the received condition monitoring data is associated with a fault state. The trained machine learning algorithm was trained on the basis of a plurality of non-fault state condition monitoring data and associated ground truth information and on the basis of a plurality of fault state condition monitoring data and associated ground truth information. A subset of the plurality of fault state condition monitoring data was generated from one or more non-fault state condition monitoring data. Generation of fault state conditioning monitoring data in the subset of the plurality of fault state condition monitoring data comprises a transformation of non-fault state condition monitoring data to fault state condition monitoring data.Type: ApplicationFiled: October 21, 2022Publication date: February 9, 2023Applicant: ABB Schweiz AGInventors: Ralf Gitzel, Stephan Wildermuth, Joerg Gebhardt, Joerg Ostrowski, Patrik Reto Kaufmann
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Publication number: 20230026139Abstract: A system and method includes at least one temperature sensor, a processing unit, and an output unit. The temperature sensor acquires a temperature measurement at a first location of an operational device, which first location is in thermal contact with a second location of the operational device. The processing unit selects a simulated temperature distribution of the first location of a simulated device from a plurality of simulated temperature distributions of the first location and compares the temperature measurement with simulated temperature distributions of the first location, and determines whether a hot spot exists or is developing at the second location. The determination comprises utilization of a correlation between the simulated temperature distribution of the first location and the second location for the selected simulated temperature distribution of the first location of the simulated device.Type: ApplicationFiled: July 20, 2022Publication date: January 26, 2023Applicant: ABB Schweiz AGInventors: Joerg Ostrowski, Stephan Wildermuth, Ralf Gitzel, Patrik Reto Kaufmann, Joerg Gebhardt, Kai Koenig, Boguslaw Samul
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Publication number: 20230014691Abstract: A system and method for monitoring a device includes a temperature sensor, a processing unit, and an output unit. The temperature sensor acquires a temperature measurement during a heat-up phase of a component and provides a temperature measurement to the processing unit, which selects a simulated transient temperature distribution of the simulated component of the simulated device from a plurality of simulated transient temperature distributions of the simulated component of the simulated device. The selection comprises a comparison of the at least one temperature measurement with the plurality of simulated transient temperature distributions at an equivalent time point in the simulated heat-up to a time point at which the temperature measurement was acquired. When a hot spot is developing an output unit outputs an indication of a fault associated with the component.Type: ApplicationFiled: July 13, 2022Publication date: January 19, 2023Applicant: ABB Schweiz AGInventors: Joerg Ostrowski, Patrik Reto Kaufmann, Stephan Wildermuth, Ralf Gitzel, Kai Koenig, Joerg Gebhardt, Boguslaw Samul
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Patent number: 11520324Abstract: An apparatus for prediction of the residual lifetime of an electrical system includes: an input unit; a processing unit; and an output unit. The input unit provides at least one sensor data from at least one sensor to the processing unit, the at least one sensor data including a measurement of at least one physical parameter of at least one component of an electrical system. Each sensor data is associated with a corresponding sensor and relates to a measurement of one physical parameter of a corresponding component of the electrical system. Each sensor data extends over a plurality of time windows and is assigned to a certain data class, such that sensor data at a particular time window has a value that falls into one of the data classes. For each sensor data the processing unit assigns the sensor data at each time window into a corresponding measurement window.Type: GrantFiled: July 15, 2019Date of Patent: December 6, 2022Assignee: ABB Schweiz AGInventors: Paul Szasz, Kai Koenig, Stephan Wildermuth, Joerg Gebhardt
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Publication number: 20220357206Abstract: A system for monitoring a switchgear includes multiple infrared cameras with fields of view; a processing unit; and an output unit. The cameras acquire multiple image data of a plurality of phases of the switchgear, and the processing unit determines whether there is a phase imbalance in a specific phase comprising a determination from a plurality of image data that temperature information for a plurality of component parts and/or a plurality of connections for that specific phase has an overall enhanced temperature compared to the temperature information for the same plurality of component parts and/or the same plurality of connections for one or more other phases of the plurality of phases. The output unit is configured to output information that a fault or load imbalance has occurred in a phase.Type: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Applicant: ABB Schweiz AGInventors: Joerg Gebhardt, Stephan Wildermuth, Ralf Gitzel, Kai Koenig, Joerg Ostrowski, Patrik Reto Kaufmann, Boguslaw Samul
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Patent number: 11481883Abstract: A system for monitoring a switchgear includes: an infrared camera for acquiring an infrared image of a switchgear; a visible camera for acquiring a visible image of the switchgear; a processing unit; and an output unit. The processing unit maps a plurality of pixels in the visible image to a plurality of pixels in the infrared image. The plurality of pixels in the visible image includes a plurality of sub-sets of pixels, each sub-set including at least one pixel. Each sub-set of pixels in the visible image is mapped to a corresponding pixel in the infrared image. Each sub-set of pixels in the visible image and the corresponding pixel in the infrared image relates to image data of a same part of the switchgear. The processing unit determines a combined image from the plurality of pixels in the visible image mapped to the plurality of pixels in the infrared image.Type: GrantFiled: January 26, 2021Date of Patent: October 25, 2022Assignee: ABB Schweiz AGInventors: Stephan Wildermuth, Aydin Boyaci
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Publication number: 20220011164Abstract: An apparatus for hot spot sensing where the apparatus includes an input unit, a processing unit,and an output unit. The input unit is configured to provide the processing unit with an image of an object that includes a hot spot. The image data of the image includes image data of the hot spot where the image was acquired by a camera. The processing unit is configured to determine a number of pixels in the image corresponding to a size of the hot spot, an average temperature for the hot spot, the determination comprising utilization of pixel values of the pixels in the image corresponding to the size of the hot spot and the number of pixels in the image corresponding to the size of the hot spot, a surrounding temperature in the image, and a corrected temperature for the hot spot.Type: ApplicationFiled: September 24, 2021Publication date: January 13, 2022Inventors: Stephan Wildermuth, Holger Kaul, Tomas Kozel, Aydin Boyaci
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Publication number: 20210272268Abstract: Aa low or medium voltage switchgear monitoring system includes: at least one sensor; a processing unit; and an output unit. The at least one sensor acquires sensor data within a compartment of a switchgear. The sensor data includes first sensor data. The sensor data includes second sensor data. The second sensor data is acquired a set time after the first sensor data. The at least one sensor provides the first sensor data and the second sensor data to the processing unit. The processing unit determines status information for a compartment of the switchgear based on a comparison of the second sensor data to the first sensor data. The output unit outputs the status information.Type: ApplicationFiled: March 1, 2021Publication date: September 2, 2021Inventors: Patrik Reto KAUFMANN, Joerg OSTROWSKI, Stephan WILDERMUTH, Ralf GITZEL, Joerg GEBHARDT
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Publication number: 20210233219Abstract: A system for monitoring a switchgear includes: an infrared camera for acquiring an infrared image of a switchgear; a visible camera for acquiring a visible image of the switchgear; a processing unit; and an output unit. The processing unit maps a plurality of pixels in the visible image to a plurality of pixels in the infrared image. The plurality of pixels in the visible image includes a plurality of sub-sets of pixels, each sub-set including at least one pixel. Each sub-set of pixels in the visible image is mapped to a corresponding pixel in the infrared image. Each sub-set of pixels in the visible image and the corresponding pixel in the infrared image relates to image data of a same part of the switchgear. The processing unit determines a combined image from the plurality of pixels in the visible image mapped to the plurality of pixels in the infrared image.Type: ApplicationFiled: January 26, 2021Publication date: July 29, 2021Inventors: Stephan WILDERMUTH, Aydin BOYACI
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Publication number: 20210065357Abstract: A system for monitoring a switchgear includes: an infrared camera for acquiring at least one infrared image of the switchgear; a processing unit for determining a pixel in the at least one infrared image associated with a hottest temperature, determining e pixels in the at least one infrared image associated with a temperature that is within a threshold temperature of the hottest temperature, and determining that a hot spot exists in the switchgear as a determination, the determination being a utilization of the determined pixels in the at least one infrared image; and an output unit for outputting an indication of a fault in the switchgear based on the determined hot spot.Type: ApplicationFiled: August 28, 2020Publication date: March 4, 2021Inventors: Ralf Gitzel, Stephan Wildermuth, Joerg Gebhardt, Joerg Ostrowski, Patrik Kaufmann
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Publication number: 20200019152Abstract: An apparatus for prediction of the residual lifetime of an electrical system includes: an input unit; a processing unit; and an output unit. The input unit provides at least one sensor data from at least one sensor to the processing unit, the at least one the sensor data including a measurement of at least one physical parameter of at least one component of an electrical system. Each sensor data is associated with a corresponding sensor and relates to a measurement of one physical parameter of a corresponding component of the electrical system. Each sensor data extends over a plurality of time windows and is assigned to a certain data class, such that sensor data at a particular time window has a value that falls into one of the data classes. For each sensor data the processing unit assigns the sensor data at each time window into a corresponding measurement window.Type: ApplicationFiled: July 15, 2019Publication date: January 16, 2020Inventors: Paul Szasz, Kai Koenig, Stephan Wildermuth, Joerg Gebhardt
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Patent number: 10386246Abstract: A nonintrusive temperature measuring apparatus for measuring the fluid temperature in at least partially thermally insulated tubes of installations in the processing industry, has the tube is completely sheathed by a thermal insulation layer at least at the measurement point, wherein a sensor electronics system with a temperature sensor is mounted onto the tube within the thermal insulation layer, a connecting electronics system is arranged outside the thermal insulation layer, and wherein the sensor electronics system and the connecting electronics system have one or more energy transmitters for wireless energy transmission for supplying the sensor electronics system and one or more temperature transmitters for wireless communication for transmitting the temperature measurement values from the sensor electronics system to the connecting electronics system.Type: GrantFiled: March 30, 2017Date of Patent: August 20, 2019Assignee: ABB SCHWEIZ AGInventors: Rolf Disselnkoetter, Joerg Gebhardt, Stephan Wildermuth
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Patent number: 10190917Abstract: A surface temperature sensor has a first geometric contact surface for determining the temperature in a vessel and a second geometric contact surface, wherein the first geometric contact surface and the second geometric contact surface are in point and/or linear contact and at least partially spaced variably from this. For improvement of thermal contact an adapter between the first geometric contact surface and the second geometric contact surface may be made of metal, whereby the process vessel facing side has a polygonal surface structure and the temperature sensor facing side of a sack-shaped recess.Type: GrantFiled: July 22, 2016Date of Patent: January 29, 2019Assignee: ABB SCHWEIZ AGInventors: Andreas Decker, Joerg Gebhardt, Paul Szasz, Stephan Wildermuth
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Publication number: 20170284873Abstract: A nonintrusive temperature measuring apparatus for measuring the fluid temperature in at least partially thermally insulated tubes of installations in the processing industry, has the tube is completely sheathed by a thermal insulation layer at least at the measurement point, wherein a sensor electronics system with a temperature sensor is mounted onto the tube within the thermal insulation layer, a connecting electronics system is arranged outside the thermal insulation layer, and wherein the sensor electronics system and the connecting electronics system have one or more energy transmitters for wireless energy transmission for supplying the sensor electronics system and one or more temperature transmitters for wireless communication for transmitting the temperature measurement values from the sensor electronics system to the connecting electronics system.Type: ApplicationFiled: March 30, 2017Publication date: October 5, 2017Inventors: Rolf Disselnkoetter, Joerg Gebhardt, Stephan Wildermuth
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Publication number: 20170023415Abstract: A surface temperature sensor has a first geometric contact surface for determining the temperature in a vessel and a second geometric contact surface, wherein the first geometric contact surface and the second geometric contact surface are in point and/or linear contact and at least partially spaced variably from this. For improvement of thermal contact an adapter between the first geometric contact surface and the second geometric contact surface may be made of metal, whereby the process vessel facing side has a polygonal surface structure and the temperature sensor facing side of a sack-shaped recess.Type: ApplicationFiled: July 22, 2016Publication date: January 26, 2017Inventors: Andreas Decker, Joerg Gebhardt, Paul Szasz, Stephan Wildermuth
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Publication number: 20170016775Abstract: A surface temperature sensor has a first geometric contact surface for determining the temperature in a vessel and a second geometric contact surface, wherein the first geometric contact surface and the second geometric contact surface are in point—and/or linear contact and at least partially spaced variably from this. For a long-term stability, low heat transfer resistance a metal foam is provided between the first geometric contact surface and the second geometric contact surface.Type: ApplicationFiled: July 15, 2016Publication date: January 19, 2017Inventors: Andreas Decker, Joerg Gebhardt, Paul Szasz, Stephan Wildermuth
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Publication number: 20160223411Abstract: A thermometer has at least one temperature sensor, having a physical variable which changes in a characteristic manner depending on temperature, at least one electrical output for emitting a signal which is a measure for the value of the variable, a transmitter for a sound wave or an electromagnetic wave, which transmitter can be coupled to the temperature sensor and controlled thereby depending on the variable's value, or can radiate the wave at least in part towards the temperature sensor, the wave-temperature sensor interaction depending on the variable's value, and either a wave receiver, which reconverts the wave into an electrical signal, or another unit for converting the wave-temperature sensor interaction into an electrical signal, connected to the electrical output.Type: ApplicationFiled: February 2, 2016Publication date: August 4, 2016Inventors: Joerg Gebhardt, Ulf Ahrend, Kai Koenig, Andreas Decker, Stephan Wildermuth, Paul Szasz, Tilo Merlin, Horst Schwanzer