Patents by Inventor Adrian HOZOI
Adrian HOZOI 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).
-
Publication number: 20230035067Abstract: A monitoring system includes a frame, a fixed contact, a moveable contact, a drive mechanism, and a linkage mechanism, wherein the fixed contact is fixed in position with respect to the frame, and wherein the linkage mechanism is coupled to the drive and the moveable contact, and wherein activation of the drive is configured to move the linkage mechanism such that the moveable contact is moved towards or away from the fixed contact, and wherein the monitoring system comprises a sensor system having a position sensor and a processor, the position sensor configured to be positioned with respect to the frame and the linkage mechanism such that lateral movement of a part of the linkage mechanism generates at least one displacement signal; and the processor configured to convert the at least one displacement signal to a displacement movement of the moveable contact toward or away from the fixed contact.Type: ApplicationFiled: July 22, 2022Publication date: February 2, 2023Applicant: ABB Schweiz AGInventors: Vadim Migunov, Aydin Boyaci, Adrian Hozoi, Gianluca Cortinovis
-
Publication number: 20220357367Abstract: A calibration method for calibrating a magnetizable core, wherein the magnetizable core is coupled to a magnetic transducer; the method comprising applying a pulse of magnetomotive force to the core such that a distinct value of remanence is produced in the core, wherein the value of remanence in the core depends on a strength of the pulse.Type: ApplicationFiled: July 20, 2022Publication date: November 10, 2022Applicant: ABB E-mobility B.V.Inventors: Adrian Hozoi, Luca Ghezzi, Gertjan Koolen, Ulf Embretsen
-
Patent number: 10161972Abstract: A voltage and or current sensor device for use in medium- or high voltage application, wherein a sensor or sensors of the sensor device is or are arranged in a housing. To enhance communication between the sensor and an electronical device, in order to use maximum possible accuracy potential of the voltage and current sensors, a signal and/or data memory element is integrated in the sensor housing, or placed near the sensor such that the sensor device output signal can be directly evaluated.Type: GrantFiled: March 24, 2015Date of Patent: December 25, 2018Assignee: ABB Schweiz AGInventors: Radek Javora, Marek Pavlas, Adrian Hozoi, Jaromir Podzemny
-
Patent number: 9645174Abstract: A resistive voltage divider includes a first resistor and a second resistor electrically connected in series. Each of the resistors is made of an electrically resistive film material and applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million, where two ends of the trace of the second resistor overlap at least in part with a first and a second) contacting terminal, respectively, and two ends of the trace of the first resistor overlap at least in part with the first and third contacting terminal, respectively. In order to decrease the parasitic capacitance between the first contacting terminal and the third contacting terminal, the second contacting terminal is placed with at least a screening part between the first and the third contacting terminals.Type: GrantFiled: August 26, 2013Date of Patent: May 9, 2017Assignee: ABB AGInventors: Adrian Hozoi, Rolf Disselnkötter
-
Patent number: 9646748Abstract: A resistive voltage divider includes first and second resistors, which are electrically connected in series and are made of a resistive film material which is applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between ten and one million. To improve the accuracy of the voltage divider, the first and second resistors are made of the same resistive film material, have a trace length above a corresponding specific trace length, and have approximately the same trace width.Type: GrantFiled: August 23, 2013Date of Patent: May 9, 2017Assignee: ABB AGInventors: Adrian Hozoi, Rolf Disselnkötter
-
Patent number: 9583242Abstract: A resistive voltage divider includes at least a first and a second resistor electrically connected in series. The resistors are made of an electrically resistive film material and each resistor is applied as a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million. In order to achieve these high voltage ratios, a third resistor is electrically connected in parallel with the second resistor. The trace of the second and of the third resistor each overlap on one end at least in part with a first contacting terminal and on the respective other end at least in part with a second contacting terminal. A compact size of the divider is maintained by arranging the first and second contacting terminals in an interdigitated manner.Type: GrantFiled: December 8, 2015Date of Patent: February 28, 2017Assignee: ABB AGInventors: Adrian Hozoi, Rolf Disselnkotter
-
Publication number: 20160093423Abstract: A resistive voltage divider includes at least a first and a second resistor electrically connected in series. The resistors are made of an electrically resistive film material and each resistor is applied as a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million. In order to achieve these high voltage ratios, a third resistor is electrically connected in parallel with the second resistor. The trace of the second and of the third resistor each overlap on one end at least in part with a first contacting terminal and on the respective other end at least in part with a second contacting terminal. A compact size of the divider is maintained by arranging the first and second contacting terminals in an interdigitated manner.Type: ApplicationFiled: December 8, 2015Publication date: March 31, 2016Applicant: ABB AGInventors: Adrian HOZOI, Rolf DISSELNKOTTER
-
Patent number: 9299484Abstract: A resistive structure has an improved electric field profile deposited on the surface of a cylindrical insulating substrate. At least one resistive path or trace is provided with a helix-looking shape and is directly printed on the surface of the insulating substrate. A resistive voltage divider includes first and second resistors electrically connected in series, where each resistor is made of one or more traces of electrically resistive film material applied onto a cylindrical insulating substrate. At least one of the traces is shaped like a helix and is applied onto the substrate by direct printing.Type: GrantFiled: August 26, 2013Date of Patent: March 29, 2016Assignee: ABB AGInventors: Adrian Hozoi, Rolf Disselnkötter, Marek Pavlas
-
Publication number: 20150192619Abstract: A voltage and or current sensor device for use in medium- or high voltage application, wherein a sensor or sensors of the sensor device is or are arranged in a housing. To enhance communication between the sensor and an electronical device, in order to use maximum possible accuracy potential of the voltage and current sensors, a signal and/or data memory element is integrated in the sensor housing, or placed near the sensor such that the sensor device output signal can be directly evaluated.Type: ApplicationFiled: March 24, 2015Publication date: July 9, 2015Applicant: ABB TECHNOLOGY AGInventors: Radek JAVORA, Marek PAVLAS, Adrian HOZOI, Jaromir PODZEMNY
-
Publication number: 20140159744Abstract: An exemplary electrical device for measuring alternating current or current pulses includes at least one coil of electrically conductive wire being wound around a non-magnetic carrier, where the non-magnetic carrier is made of glass.Type: ApplicationFiled: January 16, 2014Publication date: June 12, 2014Applicant: ABB Technology AGInventors: Adrian HOZOI, Rolf Disselnkötter
-
Patent number: 8698485Abstract: An exemplary current sensor operating in accordance with the principle of compensation includes a primary winding creating a magnetic field based on a current to be measured, a secondary winding generating a magnetic field compensating the primary winding based on a compensation current. The current sensor also includes a magnetic core, a terminating resistor connected in series to the secondary winding, and sensor means. A booster circuit is connected downstream of the sensor means and feeds the compensation current to the secondary winding via the terminating resistor. The booster circuit includes a switched mode amplifier with a pulse width and density modulator that operates based on pulse width and density modulation, turning the compensation current into a pulse width and density modulated current. The switched mode amplifier having a switching frequency that is high at when the compensation current is small and low when the compensation current is high.Type: GrantFiled: April 20, 2012Date of Patent: April 15, 2014Assignee: ABB AGInventors: Adrian Hozoi, Rolf Disselnkötter
-
Publication number: 20130342227Abstract: A resistive structure has an improved electric field profile deposited on the surface of a cylindrical insulating substrate. At least one resistive path or trace is provided with a helix-looking shape and is directly printed on the surface of the insulating substrate. A resistive voltage divider includes first and second resistors electrically connected in series, where each resistor is made of one or more traces of electrically resistive film material applied onto a cylindrical insulating substrate. At least one of the traces is shaped like a helix and is applied onto the substrate by direct printing.Type: ApplicationFiled: August 26, 2013Publication date: December 26, 2013Applicant: ABB AGInventors: Adrian HOZOI, Rolf DISSELNKÖTTER, Marek PAVLAS
-
Publication number: 20130346004Abstract: A phase-locked loop is provided for estimating a phase angle of a three-phase reference signal. The phase-locked loop includes a device for calculating an estimated first state and an estimated second state at a fundamental frequency on the basis of the reference signal and the estimated fundamental frequency, a device for calculating a fundamental positive sequence component of the reference signal on the basis of the first state and the second state, a device for calculating a direct component and a quadrature component in a reference frame synchronous with the phase angle on the basis of the fundamental positive sequence component and an estimated phase angle, and a device for determining estimates of the estimated fundamental frequency and the estimated phase angle on the basis of the quadrature component.Type: ApplicationFiled: August 26, 2013Publication date: December 26, 2013Applicant: ABB AGInventors: Adrian HOZOI, Rolf DISSELNKÕTTER
-
Publication number: 20130342187Abstract: A resistive voltage divider includes a first resistor and a second resistor electrically connected in series. Each of the resistors is made of an electrically resistive film material and applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million, where two ends of the trace of the second resistor overlap at least in part with a first and a second) contacting terminal, respectively, and two ends of the trace of the first resistor overlap at least in part with the first and third contacting terminal, respectively. In order to decrease the parasitic capacitance between the first contacting terminal and the third contacting terminal, the second contacting terminal is placed with at least a screening part between the first and the third contacting terminals.Type: ApplicationFiled: August 26, 2013Publication date: December 26, 2013Applicant: ABB AGInventors: Adrian HOZOI, Rolf DISSELNKÖTTER
-
Publication number: 20130335106Abstract: A resistive voltage divider includes first and second resistors, which are electrically connected in series and are made of a resistive film material which is applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between ten and one million. To improve the accuracy of the voltage divider, the first and second resistors are made of the same resistive film material, have a trace length above a corresponding specific trace length, and have approximately the same trace width.Type: ApplicationFiled: August 23, 2013Publication date: December 19, 2013Applicant: ABB AGInventors: Adrian HOZOI, Rolf Disselnkötter
-
Publication number: 20120268114Abstract: A current sensor is disclosed, with a ring-shaped magnetic core, the core enclosing the primary conductor with the current to be measured, the core having an air-gap containing a sensor element for measuring the magnetic core induction, whereby the cross-sectional area of the air-gap is larger than the cross-sectional area of the core.Type: ApplicationFiled: April 19, 2012Publication date: October 25, 2012Applicant: ABB AGInventors: Rolf DISSELNKÖTTER, Adrian Hozoi
-
Publication number: 20120268108Abstract: An exemplary current sensor operating in accordance with the principle of compensation includes a primary winding creating a magnetic field based on a current to be measured, a secondary winding generating a magnetic field compensating the primary winding based on a compensation current. The current sensor also includes a magnetic core, a terminating resistor connected in series to the secondary winding, and sensor means. A booster circuit is connected downstream of the sensor means and feeds the compensation current to the secondary winding via the terminating resistor. The booster circuit includes a switched mode amplifier with a pulse width and density modulator that operates based on pulse width and density modulation, turning the compensation current into a pulse width and density modulated current. The switched mode amplifier having a switching frequency that is high at when the compensation current is small and low when the compensation current is high.Type: ApplicationFiled: April 20, 2012Publication date: October 25, 2012Applicant: ABB AGInventors: Adrian HOZOI, Rolf Disselnkötter