Patents by Inventor Jens Weichold
Jens Weichold 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: 20240063614Abstract: Assembly (1) of a busbar (20), a cable termination (40) (or an insulating element (300) or a bushing (400)) and a voltage sensor (10) in a high-voltage or medium-voltage power network. The cable termination (or the insulating element or the bushing) and the voltage sensor are mechanically and electrically connected to the busbar.Type: ApplicationFiled: October 12, 2020Publication date: February 22, 2024Inventor: Jens Weichold
-
Publication number: 20230384350Abstract: A voltage sensor for sensing an AC voltage of a HV/MV power conductor comprises a capacitive voltage divider for sensing the AC voltage having one or more high-voltage capacitors electrically connected in series with each other and a low-voltage portion comprising one or more low-voltage capacitors electrically connected with each other between the high-voltage portion and electrical ground. The voltage divider also comprises a signal contact, electrically arranged between the high-voltage portion and the low-voltage portion, for providing a signal voltage indicative of the AC voltage. The low-voltage portion further comprises a plurality of electrically actuated adjustable impedance elements configured to adjust the common overall impedance of the low-voltage portion towards a desired impedance.Type: ApplicationFiled: May 22, 2023Publication date: November 30, 2023Inventors: Mark Gravermann, Gunther A. J. Stollwerck, Jens Weichold, Christine B. Bund, Mirco Gunjaca, Rainer Reeken, Martin A. Milek, Sebastian Eggert-Richter, Joerg Hahn, Michael H. Stalder, Christian Weinmann, Holger J. Kurzhals, Christopher R. Wilson
-
Patent number: 11683880Abstract: Encapsulated PCB assembly (1) for electrical connection to a high- or medium-voltage power conductor in a power distribution network of a national grid, comprising a) a PCB (10), delimited by a peripheral edge (20) and comprising a high-tension pad (60, 62) on a voltage of at least one kilovolt, b) an electrically insulating encapsulation body (70) in surface contact with, and enveloping, the high-tension pad and at least a portion of the PCB edge adjacent to the high-tension pad, c) a shielding layer (80) on an external surface (90) of the encapsulation body and for being held on electrical ground or on a low voltage to shield at least a low-voltage portion of the PCB. The high-tension pad extends to the peripheral edge of the PCB.Type: GrantFiled: October 16, 2019Date of Patent: June 20, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Gunther A. J. Stollwerck, Mark Gravermann, Jens Weichold, Sebastian Eggert-Richter, Michael H. Stalder
-
Publication number: 20220317158Abstract: Voltage sensor (1) comprising a voltage divider (40) for sensing an AC voltage of a HV/MV power conductor (10). For adjusting the common overall impedance of the low-voltage portion of the voltage divider towards a desired impedance, the low-voltage portion (60) comprises one or more low-voltage impedance elements (110), a plurality of adjustment impedance elements (80) and a plurality of switches. In its connect state, each switch electrically connects an adjustment impedance element in parallel to at least one of the one or more low-voltage impedance elements (110). The overall impedance of the high-voltage portion (50) and the overall impedance of the low-voltage portion (60) of the voltage divider (40) are adapted such that, by bringing one or more of the switches (90) into their connect state, the voltage divider (40) has, for an AC voltage of between 5 and 25 kV phase-to-ground and a frequency of between 40 and 70 Hertz, a dividing ratio of 3077, of 6154, of 6769 or of 10 000.Type: ApplicationFiled: September 14, 2020Publication date: October 6, 2022Inventors: Gunther A. J. Stollwerck, Mark Gravermann, Bernd Schubert, Christine B. Bund, Mirco Gunjaca, Jens Weichold, Johannes Fink, Michael H. Stalder, Sebastian Eggert-Richter, Harald Westkamp, Willy A. Ahlmann, Guenter M. Zilligen
-
Publication number: 20220141554Abstract: A data communication apparatus, system, and method are described. The data communication system comprises a transceiver disposed on an entrance port to an enclosure, such as an underground enclosure. The transceiver includes a housing, the housing mountable to the entrance port, wherein the transceiver is configured to communicate with a network outside of the underground enclosure. The data communication system also includes a monitoring device disposed in the underground enclosure that provides data related to a real-time condition within the underground enclosure. The data communication system also includes a sensor analytics unit to process the data from the monitoring device/sensor and generate a processed data signal and to communicate the processed data signal to the transceiver.Type: ApplicationFiled: January 14, 2022Publication date: May 5, 2022Inventors: Ernesto M. Rodriguez, JR., Vaughn G. Amann, Lars Schrix, Jens Weichold, Anne-Maud B. Laprais, David H. Redinger, Ronald D. Jesme, David J. Badzinski
-
Patent number: 11287448Abstract: Voltage divider assembly (1) for installation on a power conductor (100) inside a MV/HV switchgear in a power network of a national grid, operable to divide a voltage of the power conductor in a voltage-dividing sensor for sensing a voltage of the power conductor. The voltage divider assembly comprises a) conductive connecting means (180) for mechanically and electrically connecting the voltage divider assembly to the power conductor (100); and b) discrete impedance elements, electrically connected with the connecting means and in series with each other such as to be operable as a high-voltage side of the voltage-dividing sensor.Type: GrantFiled: October 30, 2018Date of Patent: March 29, 2022Assignee: 3M Innovative Properties CompanyInventor: Jens Weichold
-
Patent number: 11280815Abstract: Voltage indication device (2), attachable to a medium-voltage separable plug having a rear insert comprising a coupling electrode. The voltage indication device comprises a body (241) and a voltage detector (251) having a ground contact (361), a voltage contact (261) for electrical connection to the coupling electrode; and an indicator for visually indicating presence of the medium voltage in the separable plug. The body comprises an elastically expandable support portion (406) for resiliently supporting the voltage detector (251).Type: GrantFiled: January 22, 2019Date of Patent: March 22, 2022Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Gunther A. J. Stollwerck, Harald Westkamp, Mark Gravermann, Jens Weichold
-
Publication number: 20220030701Abstract: Encapsulated PCB assembly (1) for electrical connection to a high- or medium-voltage power conductor in a power distribution network of a national grid, comprising a) a PCB (10), delimited by a peripheral edge (20) and comprising a high-tension pad (60, 62) on a voltage of at least one kilovolt, b) an electrically insulating encapsulation body (70) in surface contact with, and enveloping, the high-tension pad and at least a portion of the PCB edge adjacent to the high-tension pad, c) a shielding layer (80) on an external surface (90) of the encapsulation body and for being held on electrical ground or on a low voltage to shield at least a low-voltage portion of the PCB. The high-tension pad extends to the peripheral edge of the PCB.Type: ApplicationFiled: October 16, 2019Publication date: January 27, 2022Inventors: Gunther A. J. Stollwerck, Mark Gravermann, Jens Weichold, Sebastian Eggert-Richter, Michael H. Stalder
-
Patent number: 11099215Abstract: The invention relates to a sensor (3) for measuring a voltage in a HV/MV power network in a separable connector (2), the sensor comprising: —an adapter element (11) comprising a high voltage connection adapted to be mechanically and electrically coupled to a high voltage conductor (7) of the separable connector (2) and to receive HV/MV voltage from the separable connector, —a sensor body (12) adapted to be mechanically and electrically coupled to the adapter element (11) and comprising a divider assembly (24) with a plurality of discrete impedance elements, which are electrically connected in series such as to be operable as a voltage divider for sensing a voltage and a low voltage connection (42) configured to provide a low voltage signal corresponding to a high voltage signal present in the HV/MV power network, wherein the adapter element (11) and the sensor body (12) are separate elements that are adapted to be installed to the separable connector (2), wherein the adapter element is configured to be instalType: GrantFiled: September 28, 2018Date of Patent: August 24, 2021Assignee: 3M Innovative Properties CompanyInventors: Harald Westkamp, Bernd Schubert, Mark Gravermann, Jens Weichold
-
Publication number: 20210239738Abstract: A sensor for a separable connector includes an elongate plug body extending along an axis and includes an insulating resin. The plug body includes a high voltage connection at least partially encased by the insulating resin and includes a low voltage connection spaced along the axis from the high voltage connection. The plug body also includes a substrate at least partially encased in the insulating resin and extending around the axis between a high voltage portion and a low voltage portion of the substrate. A circuit is disposed on the substrate and extends from the high voltage portion to the low voltage portion of the substrate. The circuit includes a plurality of first impedance elements electrically coupled between the high and low voltage connections. One or more second impedance elements are electrically coupled to the circuit via the low voltage connection to form a voltage divider.Type: ApplicationFiled: June 13, 2019Publication date: August 5, 2021Inventors: Jaylon D. Loyd, Christopher R. Wilson, Carl J. Wentzel, Richard D. Twigg, Harald Westkamp, Mark Gravermann, Gunther A. J. Stollwerck, Jens Weichold
-
Publication number: 20210141001Abstract: The invention relates to a module (1) for building a voltage divider for sensing a voltage of an inner conductor of a high or medium voltage power conductor, wherein the module comprises: —at least one discrete impedance element (3), —a first connector (5) and a second connector (6), wherein the second connector is adapted to be mechanically and electrically connected with a connector identical to the first connector of a further module for building the voltage divider according to the invention, and wherein the first connector is adapted to be mechanically and electrically connected with a connector identical to the second connector of a further module for building the voltage divider according to the invention, —wherein the at least one impedance element is electrically connected with the first and the second connector, and —wherein the module further comprises mechanical fixing (21) means for fixing the module to a high or medium voltage power conductor.Type: ApplicationFiled: May 15, 2019Publication date: May 13, 2021Inventors: Mark Gravermann, Jens Weichold, Gunther A. J. Stollwerck
-
Publication number: 20210105546Abstract: A data communication apparatus, system, and method are described. The data communication system comprises a transceiver disposed on an entrance port to an enclosure, such as an underground enclosure. The transceiver includes a housing, the housing mountable to the entrance port, wherein the transceiver is configured to communicate with a network outside of the underground enclosure. The data communication system also includes a monitoring device disposed in the underground enclosure that provides data related to a real-time condition within the underground enclosure. The data communication system also includes a sensor analytics unit to process the data from the monitoring device/sensor and generate a processed data signal and to communicate the processed data signal to the transceiver.Type: ApplicationFiled: December 17, 2020Publication date: April 8, 2021Inventors: Ernesto M. Rodriguez, JR., Vaughn G. Amann, Lars Schrix, Jens Weichold, Anne-Maud B. Laprais, David H. Redinger, Ronald D. Jesme, David J. Badzinski
-
Patent number: 10955442Abstract: Elastic sleeve (1) for electrically insulating a HV/MV power conductor in a power network, comprising a) a shrinkable or expandable elastic sleeve body (10); b) a receiving space (20) in the sleeve body, for receiving the power conductor; c) a cavity (30) formed in the sleeve body; and d) a divider assembly (40), arranged, at least partially, in the cavity and comprising a plurality of discrete impedance elements, operable as a voltage divider for sensing a voltage of an inner conductor of the power conductor.Type: GrantFiled: December 23, 2016Date of Patent: March 23, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Mark Gravermann, Gunther A. J. Stollwerck, Michael H. Stalder, Gerhard Lohmeier, Bernd Schubert, Rainer Reeken, Jens Weichold
-
Patent number: 10873792Abstract: A data communication apparatus, system, and method are described. The data communication system comprises a transceiver disposed on an entrance port to an enclosure, such as an underground enclosure. The transceiver includes a housing, the housing mountable to the entrance port, wherein the transceiver is configured to communicate with a network outside of the underground enclosure. The data communication system also includes a monitoring device disposed in the underground enclosure that provides data related to a real-time condition within the underground enclosure. The data communication system also includes a sensor analytics unit to process the data from the monitoring device/sensor and generate a processed data signal and to communicate the processed data signal to the transceiver.Type: GrantFiled: September 10, 2019Date of Patent: December 22, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Ernesto M. Rodriguez, Jr., Vaughn G. Amann, Lars Schrix, Jens Weichold, Anne-Maud B. Laprais, David H. Redinger, Ronald D. Jesme, David J. Badzinski
-
Publication number: 20200363456Abstract: Voltage indication device (2), attachable to a medium-voltage separable plug having a rear insert comprising a coupling electrode. The voltage indication device comprises a body (241) and a voltage detector (251) having a ground contact (361), a voltage contact (261) for electrical connection to the coupling electrode; and an indicator for visually indicating presence of the medium voltage in the separable plug. The body comprises an elastically expandable support portion (406) for resiliently supporting the voltage detector (251).Type: ApplicationFiled: January 22, 2019Publication date: November 19, 2020Inventors: Gunther A.J. Stollwerck, Harald Westkamp, Mark Gravermann, Jens Weichold
-
Publication number: 20200278382Abstract: Voltage divider assembly (1) for installation on a power conductor (100) inside a MV/HV switchgear in a power network of a national grid, operable to divide a voltage of the power conductor in a voltage-dividing sensor for sensing a voltage of the power conductor. The voltage divider assembly comprises a) conductive connecting means (180) for mechanically and electrically connecting the voltage divider assembly to the power conductor (100); and b) discrete impedance elements, electrically connected with the connecting means and in series with each other such as to be operable as a high-voltage side of the voltage-dividing sensor.Type: ApplicationFiled: October 30, 2018Publication date: September 3, 2020Inventor: Jens Weichold
-
Publication number: 20200278381Abstract: The invention relates to a sensor (3) for measuring a voltage in a HV/MV power network in a separable connector (2), the sensor comprising: —an adapter element (11) comprising a high voltage connection adapted to be mechanically and electrically coupled to a high voltage conductor (7) of the separable connector (2) and to receive HV/MV voltage from the separable connector, —a sensor body (12) adapted to be mechanically and electrically coupled to the adapter element (11) and comprising a divider assembly (24) with a plurality of discrete impedance elements, which are electrically connected in series such as to be operable as a voltage divider for sensing a voltage and a low voltage connection (42) configured to provide a low voltage signal corresponding to a high voltage signal present in the HV/MV power network, wherein the adapter element (11) and the sensor body (12) are separate elements that are adapted to be installed to the separable connector (2), wherein the adapter element is configured to be instalType: ApplicationFiled: September 28, 2018Publication date: September 3, 2020Inventors: Harald Westkamp, Bernd Schubert, Mark Gravermann, Jens Weichold
-
Multilayer stress control article and dry termination for medium and high voltage cable applications
Patent number: 10720767Abstract: A tubular stress control article having an axial bore with a length comprises a first and innermost layer formed from an electrical stress control composition having a filler material comprising nanosilica-modified inorganic particles and a discontinuous arrangement of conductive material dispersed in an elastomeric material. At least a portion of the conductive material is in durable electrical contact with the inorganic particles. The article further comprises a second layer disposed on the first layer, the second layer comprising an electrical insulation material. The article also comprises a third layer disposed on the second layer, the third layer comprising an elastomeric stress control material. The article further comprises a fourth layer disposed on the third layer, the fourth layer comprising a track-resistant elastomeric material. Each of the first, second, third, and fourth layers are substantially continuous along the length of the axial bore.Type: GrantFiled: January 25, 2018Date of Patent: July 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Robert J. Schubert, Christopher J. Evoniuk, Jens Weichold, Andrew C. Lottes -
Publication number: 20200174042Abstract: Impedance assembly (2) for use in a voltage divider for sensing an AC voltage of at least 1 kV versus ground of a power-carrying conductor distributing electrical energy in a grid. The impedance assembly comprises a) a printed circuit board (131) comprising one or more dielectric board layers (210, 215, 220), b) an externally accessible high-voltage contact (100), c) an externally accessible low-voltage contact (110), spaced from the high-voltage contact by at least 30 mm, and d) at least two dividing capacitors (91), connected in series between the high-voltage contact and the low-voltage contact and operable as a high-voltage side of the voltage divider. Each dividing capacitor has two electrodes formed by conductive areas (301, 302, 303, 304, 305, 306), arranged on opposed surface portions of a specific dielectric board layer, and a dielectric comprising a portion of the specific dielectric board layer on which the electrodes are arranged.Type: ApplicationFiled: June 13, 2018Publication date: June 4, 2020Inventors: Michael H. Stalder, Sebastian Eggert-Richter, Rainer Fangrat, Mark Gravermann, Jens Weichold, Gunther A.J. Stollwerck, Bernd Schubert, Hermanus Franciscus Maria Van Meijl, Andreea Sabo
-
Publication number: 20200007964Abstract: A data communication apparatus, system, and method are described. The data communication system comprises a transceiver disposed on an entrance port to an enclosure, such as an underground enclosure. The transceiver includes a housing, the housing mountable to the entrance port, wherein the transceiver is configured to communicate with a network outside of the underground enclosure. The data communication system also includes a monitoring device disposed in the underground enclosure that provides data related to a real-time condition within the underground enclosure. The data communication system also includes a sensor analytics unit to process the data from the monitoring device/sensor and generate a processed data signal and to communicate the processed data signal to the transceiver.Type: ApplicationFiled: September 10, 2019Publication date: January 2, 2020Inventors: Ernesto M. Rodriguez, JR., Vaughn G. Amann, Lars Schrix, Jens Weichold, Ann-Maud B. Laprais, David H. Redinger, Ronald D. Jesme, David J. Badzinski