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公开(公告)号：US11486902B2
公开(公告)日：2022-11-01
申请号：US17250090
申请日：2019-06-06
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Michael H. Stalder , Hermanus Franciscus Maria van Meijl , Joerg Hahn , Lars Schrix
Abstract: Impedance assembly (120) for use in a voltage divider for sensing an AC elevated voltage of at least 1 kV of a power-carrying conductor (10) distributing electrical energy in a national grid. The impedance assembly comprises a) a PCB (170); b) a high-voltage contact (80) for connection to the power-carrying conductor; c) a first plurality of impedance elements (70) on the PCB, connected to the high-voltage contact and in series with each other such as to be operable in a first voltage divider (20) for sensing the voltage of the power-carrying conductor; and d) a second plurality of impedance elements (71) on the PCB, connected to the high-voltage contact and in series with each other such as to be operable in a second voltage divider (21) for harvesting electrical energy from the power-carrying conductor.
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公开(公告)号：US10345340B2
公开(公告)日：2019-07-09
申请号：US15106648
申请日：2014-12-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Friedrich A. Busemann , Bernd Schubert , Gerhard Lohmeier , Andreea Sabo , Rainer Reeken , Michael H. Stalder , Christian Weinmann , Sebastian Eggert , Dipankar Ghosh , Myungchan Kang , Christopher D. Sebesta
Abstract: The invention relates to a voltage sensing device for a high and/or medium-voltage power-carrying conductor, the voltages sensing device comprising: • a carrier element (3) with a passageway for receiving the power-carrying conductor, • wherein the carrier element comprises an electrode (4) extending in an axial direction of the passageway of the carrier element and operable as a first electrode of the voltage sensing device, wherein • a conductor (1) of the power cable is operable as the second electrode of the voltage sensing device and wherein • the carrier element has a coefficient of thermal expansion that is less than 5×10^−6 1/K at 20 C.
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公开(公告)号：US20170234908A1
公开(公告)日：2017-08-17
申请号：US15510832
申请日：2015-09-25
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Gunther A.J. Stollwerck , Michael H. Stalder , Hermanus Franciscus Maria van Meijl , Jens Weichold , Benjamin Muenstermann
CPC classification number: G01R15/06 , G01R15/16 , G01R19/0084
Abstract: The invention relates to a voltage sensing device (1) for a high and/or medium voltage power carrying conductor (2), the voltage sensing device comprising: a radially outer electrode (3) operable as a first sensing electrode of a sensing capacitor for sensing the voltage of the power carrying conductor; a radially inner electrode (2, 6) operable as a second sensing electrode of the sensing capacitor; a dielectric material (5) arranged between the inner and the outer electrode (3, 2, 6), wherein the coefficient of thermal expansion of the material of at least one electrode (3, 2, 6) is selected such that it compensates the temperature dependent parameters of the dielectric material (5) and/or the other electrode (3, 2, 6), that influences the capacity of the voltage sensing capacitor
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公开(公告)号：US20220413016A1
公开(公告)日：2022-12-29
申请号：US17757123
申请日：2020-12-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Bernd Schubert , Gunther A. J. Stollwerck , Michael H. Stalder
Abstract: Voltage sensing device (1) for sensing an elevated voltage in a power distribution network, comprising a) a sensored insulation plug (10) comprising—a voltage sensor for sensing the elevated voltage, comprising a high-voltage contact; —a plug mating portion (50), shaped to mate the sensored insulation plug (10) with a corresponding socket mating portion of a separable connector, wherein the high-voltage contact is arranged in the plug mating portion (50) such that the high-voltage contact can be connected to the elevated voltage of the separable connector when the sensored insulation plug (10) is mated with the separable connector; b) a tubular insulating sleeve (20), comprising a socket mating portion (100) shaped as a socket mating portion of the separable connector and mated with the plug mating portion (50) of the insulation plug (10); c) a conductive rod (30) having a first end portion (120) for electrical connection to the power conductor, and an opposed second end portion, electrically connected to the high-voltage contact and arranged in the insulating sleeve (20).
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公开(公告)号：US20220030701A1
公开(公告)日：2022-01-27
申请号：US17250905
申请日：2019-10-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Gunther A. J. Stollwerck , Mark Gravermann , Jens Weichold , Sebastian Eggert-Richter , Michael H. Stalder
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：US09739820B2
公开(公告)日：2017-08-22
申请号：US14897680
申请日：2014-06-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Friedrich A. Busemann , Gerhard Lohmeier , Jens Weichold , Bernd Schubert , Michael H. Stalder , Pasquale Zanoli , Giuliano Bolcato
CPC classification number: G01R31/021 , G01R15/16 , G01R27/26 , G01R27/2605 , G01R31/1272 , H01B9/006
Abstract: A conductor assembly for a power network includes an inner conductor, an insulating layer arranged concentrically around the inner conductor, and a sensing electrode, arranged radially outward of the insulating layer, and operable as a first electrode of a sensing capacitor of a voltage sensor. The conductor assembly further includes a voltage pickup element having electrically conductive major surfaces, the first major surface being in a surface contact with the sensing electrode. The conductor assembly further includes an electrode wire, in electrical and mechanical contact with the voltage pickup element, for electrically connecting the voltage pickup element with an electric or electronic component disposed remote from the sensing electrode.
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公开(公告)号：US20160139181A1
公开(公告)日：2016-05-19
申请号：US14897688
申请日：2014-06-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Friedrich A. Busemann , Gerhard Lohmeier , Jens Weichold , Bernd Schubert , Michael H. Stalder , Pasquale Zanoli , Giuliano Bolcato
CPC classification number: G01R15/16 , G01R19/0084 , G01R27/26 , G01R27/2605 , G01R31/021 , G01R31/1272 , H01B7/02 , H01B9/006
Abstract: Conductor assembly (1) for a power network, which comprises—an inner conductor (5) defining radial and axial directions,—an insulating layer (10) arranged around at least an axial section of the inner conductor, and—a sensing electrode (40), arranged radially outward of the insulating layer, and operable as a first electrode of a sensing capacitor of a capacitive voltage sensor, in which sensing capacitor the inner conductor is operable as a second electrode. The conductor assembly further comprises an electrically insulating spacer element (25), arranged radially between the insulating layer and the sensing electrode.
Abstract translation: 一种用于电力网络的导体组件（1），其包括限定径向和轴向方向的内部导体（5）， - 围绕所述内部导体的至少一个轴向部分布置的绝缘层（10）和 - 感测电极 40），其布置在绝缘层的径向外侧，并且可操作为电容式电压传感器的感测电容器的第一电极，其中感测电容器内部导体可操作为第二电极。 导体组件还包括电绝缘隔离元件（25），其布置在绝缘层和感测电极之间的径向上。
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公开(公告)号：US20140370741A1
公开(公告)日：2014-12-18
申请号：US14368030
申请日：2012-12-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Giuliano Bolcato , Jens Weichold , Pasquale J. Zanoli , Mark Gravermann , Michael H. Stalder , Holger Kurzhals , Sebastian Eggert , Christian Weinmann
CPC classification number: H01R13/5845 , G01R15/06 , G01R15/142 , G01R15/16 , G01R15/181 , G01R19/0084 , H01B9/006 , H01R13/6683 , H01R43/26 , H02G15/064 , H02G15/184 , Y10T29/49208
Abstract: Terminal connection device (10) for connecting an end of a medium- or high-voltage power cable (42) to a connection point, the terminal connection device (10) comprising an interface cable (12) having first and second end portions, comprising an inner conductor (14) and a conductive or semiconductive layer (18). The terminal connection device further comprises a first stress control tube (36) comprising—a stress control element (38), and an insulating layer (40) arranged around the stress control element (38), wherein the first stress control tube (36) is mounted on the first end portion of the interface cable (12). The terminal connection device further comprises a first cable connector (24) for connecting the interface cable (12) to the power cable (42), the first cable connector (24) being connected to the second end portion of the interface cable (12); The terminal connection device (10) further comprises a second stress control tube (36′) comprising a stress control element (38), and an insulating layer (40) arranged around the stress control element (38), wherein the second stress control tube (36′) is mounted over the second end portion of the interface cable (12) and at least a portion of the first cable connector (24); The terminal connection device further comprises one or more tubular shrinkable sleeves (52, 52′, 52″). At least a portion of one of the tubular shrinkable sleeves (52, 52′, 52″) extends over at least a portion of the first stress control tube (36). At least a portion of one of the tubular shrinkable sleeves (52, 52′, 52″) extends over at least a portion of the second stress control tube (36′). The portion of the tubular shrinkable sleeve (52, 52″) extending over at least a portion of the first stress control tube (36) is shrunk down around at least a portion of the first stress control tube (36).
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公开(公告)号：US20240136730A1
公开(公告)日：2024-04-25
申请号：US18278391
申请日：2022-01-24
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Jens Eichler , Christian Weinmann , Tom Gaide , Michael H. Stalder , Sebastian Eggert-Richter
CPC classification number: H01Q15/02 , B29C64/393 , B33Y10/00 , B33Y50/02 , B33Y80/00 , H01Q15/0013 , H01Q15/0086 , B29C64/124
Abstract: The present disclosure provides methods, articles, and apparatuses related to altering electromagnetic radiation. A method of making articles includes a) forming an electromagnetic radiation altering material by providing a polymer matrix and optionally embedding dielectric particles in the polymer matrix and b) obtaining initial dielectric properties of the electromagnetic radiation altering material. The method further includes c) modeling electromagnetic radiation altering features of the material suitable for the article obtained from the material to have target electromagnetic radiation altering properties, thereby obtaining a simulation of the electromagnetic radiation altering article; and d) additive manufacturing the electromagnetic radiation altering article based on the simulation of the electromagnetic radiation altering article. An electromagnetic radiation altering article obtained by the method is also provided. Further, an apparatus is provided including the electromagnetic radiation altering article. Methods of altering electromagnetic radiation are provided, including integrating an electromagnetic radiation altering article into either an electronic device or an electromagnetic radiation producing device, or placing the article in the vicinity of the device. Aspects of the present disclosure advantageously contribute to achieving optimized materials and designs for electromagnetic radiation altering articles.
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公开(公告)号：US10955442B2
公开(公告)日：2021-03-23
申请号：US16087768
申请日：2016-12-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Gunther A. J. Stollwerck , Michael H. Stalder , Gerhard Lohmeier , Bernd Schubert , Rainer Reeken , Jens Weichold
Abstract: 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.
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