Patents Examined by Farhana Hoque
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Patent number: 11945500Abstract: A printed circuit board may include a top side, a bottom side, and a circumferential surface that connects the top side to the bottom side. The circumferential surface may have a toothing for forming a gear wheel. The toothing may be circumferentially closed and may be arranged over an entire surface area of the circumferential surface. The toothing may be configured as an involute toothing, an epicycloid toothing, a hypocycloid toothing, or a lantern gear toothing. The printed circuit board may be formed of fiber-reinforced plastic. Further, the printed circuit board may include a track, a surface structure, and/or a conductor track configured for inductive sampling, capacitive sampling, optical sampling, and/or acoustic sampling.Type: GrantFiled: December 10, 2019Date of Patent: April 2, 2024Assignees: thyssenkrupp Presta AG, thyssenkrupp AGInventors: Robert Galehr, Gergely Racz, Sedat Sen
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Patent number: 11946966Abstract: Disclosed are systems and methods to determine a direction to a ground fault of an electrical generator or motor using a known steady-state standing error referenced to a positive-sequence voltage measurement to determine a system standing error and utilizing the system standing error to determine an operating current with anomalies attributable to a fault. A ground fault may be determined using zero-sequence voltage signals from the generator or motor installation. The operating current, along with the zero-sequence voltage, may be used to determine a direction to the fault. The generator or motor may be high-impedance grounded. The systems and methods further indicate the direction to a fault where multiple generators or motors are connected to a common bus.Type: GrantFiled: February 20, 2023Date of Patent: April 2, 2024Assignee: Schweitzer Engineering Laboratories, Inc.Inventors: Ritwik Chowdhury, Jason Andrew Young, Jon Steinmetz, Rogerio Scharlach, Satish Samineni
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Patent number: 11933833Abstract: Fault detection system (800) for a medium voltage circuit comprising assemblies of an electric power distribution cable (205), a first transformation center (210) comprising a first transformer and a first grounding conductor (603), a first grounding system comprising a first grounding resistor (RPAT1) connected to the first transformer through the first grounding conductor (603), the first transformation center (210) connected to a first end of the cable (205) and a second transformation center (220) comprising a second transformer and a second grounding conductor (603), a second grounding system comprising a second grounding resistor (RPAT2) connected to the second transformer through the second grounding conductor (603), the second transformation center (220) connected to a second end of the cable (205).Type: GrantFiled: November 10, 2020Date of Patent: March 19, 2024Assignee: Aplicaciones Tecnologicas, S.A.Inventors: Verónica Pomar Pedredo, David Ruiz Muñoz
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Patent number: 11933835Abstract: The present invention relates to the technical field of fault location of distributed energy resources connected flexible DC distribution network, and disclosed a fault location method, system and application of bipolar short-circuit of two-level VSC-type photovoltaic-connected flexible DC distribution network, wherein, directions of positive currents of DC feeders during fault are used to locate a fault section; a bipolar short-circuit distance measurement model covering interactions and responses of systems is established according to equivalent circuits of transient periods; and fault location is done by obtaining a distance to fault with electric parameters and information of the fault.Type: GrantFiled: June 8, 2023Date of Patent: March 19, 2024Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)Inventors: Zhihua Zhang, Mingming Sun, Yongtao Tian, Hao Wang, Kun Wang, Chengmin Liu
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Patent number: 11927607Abstract: A rate of change of current sensor includes two measurement coils, arranged on a substrate or printed circuit board. The coils form loops and progress substantially around a target measurement conductor. This ensures that the two measurement coils both receive the same electrostatic coupling from external conductors which are not the target of the measurement operation. Further, the two measurement coils are arranged such that the first coil and the second coil are, on average, the same distance to the current-carrying conductor of interest.Type: GrantFiled: March 15, 2022Date of Patent: March 12, 2024Assignee: Analog Devices International Unlimited CompanyInventors: Brent William Hoffman, Jonathan Ephraim David Hurwitz
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Patent number: 11921169Abstract: A transformer fault diagnosis method and system using induced ordered weighted evidence reasoning is provided. The method includes the following steps. A typical data sample of transformer sweep frequency response analysis is loaded and a diagnostic label is set as an identification framework. Test data of a device to be diagnosed is loaded. Basic probability assignment is calculated and a reliability decision matrix is constructed. An induced ordered weighted averaging operator and its induction vector are calculated according to a sample source of the data. An index weight vector is calculated. All evidence is fused by the induced ordered weighted evidence theory and reliability of comprehensive evaluation is calculated, so as to determine a diagnosis result. The disclosure realizes fault identification, fault type distinction and fault position of power equipment by interpreting detection waveforms.Type: GrantFiled: October 8, 2021Date of Patent: March 5, 2024Assignee: WUHAN UNIVERSITYInventors: Yigang He, Jiajun Duan, Xiaoxin Wu, Liulu He
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Patent number: 11923676Abstract: A method for identifying element failure in capacitor banks is provided. Capacitor bank phase current is measured and a zero-sequence or negative-sequence current is calculated or measured. A three-phase voltage is measured from a three-phase bus voltage transformer and a zero-sequence voltage or negative-sequence voltage is calculated. A compensated unbalance current is calculated and compared to a predetermined acceptable range. A failure is identified where the compensated unbalance current is outside the predetermined acceptable range.Type: GrantFiled: August 12, 2021Date of Patent: March 5, 2024Inventor: Haijie Wang
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Patent number: 11921146Abstract: A method of detecting a fault in a power distribution system includes placing a signal on the system at a frequency F1 and then detecting a change in the signal due to a change in the impedence of the system as a result of a fault wherein the change is one of a change in phase, a change in signal tone, or a change in voltage level at the load. In one embodiment, band reject filters can be used to diminish the signal at the load or source. In another embodiment, the power source can be a periodic pulsed power source and the signal can be placed on the system during an idle phase of the periodic pulsed power.Type: GrantFiled: October 27, 2021Date of Patent: March 5, 2024Assignee: Panduit Corp.Inventors: Ronald A. Nordin, Masud Bolouri-Saransar, Paul W. Wachtel
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Patent number: 11913983Abstract: The invention relates to a method for detecting and locating a fault by reflectometry in an electrical circuit, such a method comprising the steps of: —emitting a reflectometry signal in a line of the circuit to be studied; —acquiring an electrical variable of the reflected signal passing through the network; —filtering the acquired signal so as to eliminate signals having a frequency lower than a cutoff frequency, the cutoff frequency having a value between 100 kHz and 1 GHz; —analysing an acquired signal so as to detect a fault.Type: GrantFiled: March 16, 2020Date of Patent: February 27, 2024Assignees: SAFRAN ELECTRICAL & POWER, WIN MSInventors: Emmanuel Bussy, Sylvain Poignant, Marc Olivas, Patrick Depras, Soumaya Sallem Andasmas
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Patent number: 11913894Abstract: A method comprises receiving moisture sensor data from at least one moisture sensor located in a device. The at least one moisture sensor is configured to detect moisture on a surface of the device. The method also comprises determining a likelihood of the device slipping from a grip of a user based on the received moisture sensor data; and altering a surface profile of a surface panel of the device based on the determined likelihood of the device slipping from the grip of the user.Type: GrantFiled: December 8, 2020Date of Patent: February 27, 2024Assignee: KYNDRYL, INC.Inventors: Prashant Jain, Sarbajit K. Rakshit, Ai Kiar Ang, Rambabu Parvatina, Gary Kim Chwee Lim, Chia Eng Yeo
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Patent number: 11906565Abstract: Disclosed is an apparatus for testing a device, comprising: a switch (100) arranged to replace a circuit breaker (30) associated with an individual system in the device under test, wherein the switch (100) is operable to be controlled remotely from the device under test such that the switch (100) either activates or deactivates the individual system.Type: GrantFiled: February 28, 2020Date of Patent: February 20, 2024Assignee: BAE Systems plcInventor: Ben Anthony Murphy
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Patent number: 11906598Abstract: A testing system includes: a dividing circuit configured to receive a testing signal and provide a plurality of input signals according to the testing signal; and a plurality of power-amplifier chips coupled to the dividing circuit, each of the plurality of power-amplifier chips being configured to be tested by receiving a respective input signal of the plurality of input signals and generating a respective output signal for a predetermined testing time.Type: GrantFiled: August 8, 2022Date of Patent: February 20, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Hsieh-Hung Hsieh, Wu-Chen Lin, Yen-Jen Chen, Tzu-Jin Yeh
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Patent number: 11903362Abstract: A milk measuring cell having an inlet channel and an outlet, a cavity, a barrier which protrudes from a bottom of the cavity and divides the cavity into a measurement trough (13) on the side of the inlet channel and an outlet channel on the side of the outlet, wherein a peak of the barrier is positioned below an elevation of the inlet channel.Type: GrantFiled: May 9, 2019Date of Patent: February 20, 2024Assignee: GEA Farm Technologies GmbHInventors: Olaf Suhr, Christopher Eugene Richards, Patrick Sonntag, Philipp Camminady
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Patent number: 11903737Abstract: A method of modifying contact status of one or more electrodes in a plurality of electrodes located on a medical device includes measuring an electrical characteristic of each electrode in the plurality of electrodes located on the medical device, determining a contact status for each electrode in the plurality of electrodes based on the measured electrical characteristic for the corresponding electrode, wherein the contact status is indicative of contact with adjacent tissue. The method further includes modifying the contact status of a first electrode in the plurality of electrodes based on the determined contact status of one or more other electrodes in the plurality of electrodes.Type: GrantFiled: January 12, 2023Date of Patent: February 20, 2024Assignee: St. Jude Medical, Cardiology Division, Inc.Inventors: Eric J. Voth, Jeffrey A. Schweitzer
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Patent number: 11899117Abstract: A moving body positioning system of the present invention includes: a GNSS receiver that is included in a moving body and that receives a GNSS signal transmitted from each of one or more satellites and acquires pieces of observation data respectively corresponding to the satellites; an external data acquisition means that acquires external data; a multipath detection means that detects multipath with respect to an observation data group; and a positioning calculation means that performs positioning calculation after a selection of a satellite to be used and a satellite to be excluded on the basis of a result of the multipath detection.Type: GrantFiled: September 13, 2018Date of Patent: February 13, 2024Assignee: NEC Solution Innovators, Ltd.Inventors: Ryo Miyamoto, Maho Kashiwagi, Yuka Kanda
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Patent number: 11889900Abstract: A foot presence sensor system for an active article of footwear can include a sensor housing configured to be disposed at or in an insole of the article, and a controller circuit, disposed within the sensor housing, configured to trigger one or more automated functions of the footwear based on a foot presence indication. In an example, the sensor system includes a capacitive sensor configured to sense changes in a capacitance signal in response to proximity of a body. A dielectric member can be provided between the capacitive sensor and the body to enhance an output signal from the sensor.Type: GrantFiled: October 21, 2019Date of Patent: February 6, 2024Assignee: NIKE, Inc.Inventors: Steven H. Walker, Phillip Meneau
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Patent number: 11892420Abstract: A device (1), for measuring an amount of dirt (50), comprising: a receiver (2) for receiving a sample collector (40), with a dirt sample attached to the front surface (42); a first (11) and second (12) contact; an electrically conductive surface (14); an aligner (20) for positioning the electrically conductive surface (14) in contact with the back surface (44) of the received sample collector (40); and a resistance meter (30) configured to measure an electrical resistance between the first (11) and second contact (12), wherein, when the first (11) and second contact (12) are placed in contact with the front surface (42) and the electrically conductive surface (14) is placed in contact with the back surface (44), the measured electrical resistance between the first (11) and second contact (12) represents the amount of dirt (50) of the dirt sample between the first (11) and second contact (12).Type: GrantFiled: September 4, 2020Date of Patent: February 6, 2024Assignee: REHNINVENT ABInventor: Johan Henrik Rehnström
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Patent number: 11885843Abstract: A method, system and apparatus for fault detection in line protection for a power transmission system.Type: GrantFiled: June 13, 2019Date of Patent: January 30, 2024Assignee: Hitachi Energy Ltd.Inventor: Kai Liu
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Patent number: 11879905Abstract: Systems and methods for determining fluid density include receiving calibration data for a fluid density measurement tool. The fluid density measurement tool can include a cantilever beam and at least one strain sensor that is coupled to the cantilever beam. The cantilever beam can be housed in the fluid density measurement tool and is buoyed by a fluid that enters the fluid density measurement tool. The systems and methods measure strain values at the at least one strain sensor and determine a density of the fluid based on the calibration data, and the strain values measured at the at least one strain sensor.Type: GrantFiled: September 17, 2019Date of Patent: January 23, 2024Assignee: Halliburton Energy Services, Inc.Inventors: James Dan Vick, Jr., Michael Linley Fripp
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Patent number: 11879811Abstract: An elongated sensor for detecting the presence of a particular fluid includes first and second conductors, both extending from the proximal end to the distal end of the sensor. The second conductor includes a swellable conductor, at least a portion of the swellable conductor is swollen when in contact with the fluid and its conductance at least 10 times less when the portion is in contact with the fluid than when absent contact with the fluid. The second conductor further includes a subsidiary conductor in direct contact with the swellable conductor. In one embodiment the first conductor is isolated from the second conductor in the inner part of the sensor, and the two conductors are electrically connected at the distal end of the sensor. In another embodiment, the first contactor is in direct contact with the subsidiary conductor within the inner part of the sensor.Type: GrantFiled: March 6, 2020Date of Patent: January 23, 2024Assignee: Valbatech Inc.Inventors: Stefan Balatchev, Sacha Dabetic