-
公开(公告)号：US11605482B2
公开(公告)日：2023-03-14
申请号：US17040901
申请日：2019-04-03
申请人： TDK Electronics AG
发明人： Wen Yang , Xiaojia Tian , Rongguang Zhang , Zilong Su , Zhouquan He
摘要： In an embodiment a thermal varistor protection device includes a casing, a varistor embedded in the casing, wherein the varistor includes a first metallization electrode, which is only partly covered by an insulating material of the casing to allow an electrically conductive connection, a first terminal wire electrically conductively connected to the first metallization electrode of the varistor and a contact element electrically conductively connected to the first metallization electrode of the varistor in a region where the varistor is not covered by the insulating material, wherein the contact element is pre-stressed to ensure a fast separation of the contact element and the first metallization electrode when the electrically conductive connection between the contact element and the first metallization electrode becomes loose.
-
公开(公告)号：US11482354B2
公开(公告)日：2022-10-25
申请号：US16979428
申请日：2019-04-03
申请人： TDK Electronics AG
发明人： Wen Yang , Xiaojia Tian , Zhouquan He , Yongde Huang
摘要： In an embodiment a thermal protection device includes a housing, a varistor partly embedded in the housing, wherein the housing electrically insulates the varistor, and wherein the varistor includes a partly uninsulated contact surface, an inner wall of insulating material arranged adjacent to the contact surface of the varistor, a window in the inner wall configured to allow an electrical connection of the contact surface of the varistor in an operational state of the thermal protection device and a moveable insulation block configured to cover the window in the inner wall to insulate the varistor in a region of the window of the inner wall in a fault state of the thermal protection device.
-
公开(公告)号：US20220254551A1
公开(公告)日：2022-08-11
申请号：US17730543
申请日：2022-04-27
申请人： SUNCALL CORPORATION
发明人： Yuu Moriyama , Kenji Murakami , Akio Mugishima
摘要： A shunt resistor having improved temperature characteristics has a resistive body, a pair of base materials integrally formed on the resistive body across the resistive body, and measurement terminals fixed onto the base materials. The base materials have a plurality of cutout portions along a longitudinal direction of the base materials, wherein the plurality of cutout portions do not communicate with each other and are provided in a stepped manner.
-
公开(公告)号：US20220148767A1
公开(公告)日：2022-05-12
申请号：US17594233
申请日：2020-02-25
申请人： TDK Electronics AG
发明人： Alfred Hofrichter , Franz Rinner
摘要： The present invention relates to a component which comprises a main body (9) and at least one external electrode (1) which is fastened by a connecting material (4) to the main body (9), wherein the main body (9) and the external electrode (1) have different coefficients of thermal expansion which determine a critical temperature which when exceeded results in a connection between the main body (9) and the external electrode (1) experiencing mechanical stresses which lead to damage to the component, wherein the connecting material (4) has a melting point which is lower than a critical temperature.
-
公开(公告)号：US10964462B2
公开(公告)日：2021-03-30
申请号：US16072491
申请日：2017-01-25
发明人： Marcus Escher , Paul Harke , Ullrich Hetzler , Jan Marien
摘要： The invention concerns a manufacturing method for an electrical resistor (1), in particular for a low-resistance current measuring resistor, with the following steps (S1-S4): a) providing a plate-shaped base part (9) for the resistor (1), the base part (9) having a certain thickness and corresponding to the thickness a certain value of an electrical component characteristic (R), the thickness-dependent electrical component characteristic (R) preferably being the electrical resistance (1) of the base part (9), the sheet resistance or the transverse resistance, and b) rolling the base part (9) with a certain degree of rolling (AG), the thickness of the base part (9) decreasing in accordance with the degree of rolling (AG) and the value of the component characteristic (R) changing accordingly, c) measuring the thickness-dependent electrical component characteristic (R) on the rolled base part (9), and d) adaptation of the degree of rolling (AG) as a function of the measured electrical component characteristic (R), in particular in the context of a closed-loop control system with the electrical component characteristic (R) as controlled variable and the degree of rolling (AG) as control variable. Furthermore, the invention includes an appropriately manufactured resistor and a corresponding production plant.
-
公开(公告)号：US20210005360A1
公开(公告)日：2021-01-07
申请号：US16979428
申请日：2019-04-03
申请人： TDK Electronics AG
发明人： Wen Yang , Xiaojia Tian , Zhouquan He , Yongde Huang
摘要： In an embodiment a thermal protection device includes a housing, a varistor partly embedded in the housing, wherein the housing electrically insulates the varistor, and wherein the varistor includes a partly uninsulated contact surface, an inner wall of insulating material arranged adjacent to the contact surface of the varistor, a window in the inner wall configured to allow an electrical connection of the contact surface of the varistor in an operational state of the thermal protection device and a moveable insulation block configured to cover the window in the inner wall to insulate the varistor in a region of the window of the inner wall in a fault state of the thermal protection device.
-
公开(公告)号：US20200075200A1
公开(公告)日：2020-03-05
申请号：US16495387
申请日：2018-05-08
发明人： YASUHARU KINOSHITA
摘要： An object of the present disclosure is to provide a metal plate resistor that is capable of reducing a resistance value and a TCR. A metal plate resistor according to the present disclosure includes: a resistor body that includes a metal plate having an upper surface and a lower surface that are spaced apart from each other in a thickness direction; a pair of electrodes that include a metal having a low electrical resistivity and a high TCR in comparison with this resistor body, the pair of electrodes being formed in both ends of the lower surface of the resistor body; and an internal electrode that is formed on the upper surface of the resistor body. The internal electrode includes a metal having a low electrical resistivity in comparison with the resistor body.
-
公开(公告)号：US10446298B2
公开(公告)日：2019-10-15
申请号：US15741286
申请日：2016-06-28
申请人： EPCOS AG
摘要： A method for producing an electrical component is disclosed. In an embodiment the method includes providing a carrier element providing a material having a temperature-dependent resistance, applying the material on a surface of the carrier element for producing a resistance layer on the carrier element and subsequently sintering the resistance layer for linking the resistance layer to the carrier element.
-
公开(公告)号：US20190295748A1
公开(公告)日：2019-09-26
申请号：US15963116
申请日：2018-04-26
申请人： YAGEO CORPORATION
发明人： Shen-Li HSIAO , Kuang-Cheng LIN , Hwan-Wen LEE , Chih-Lung CHEN
摘要： A method for manufacturing a shunt resistor is described. In this method, a first electrode plate and a second electrode plate are provided. The first electrode plate includes a first carrying portion having a first hole. The second electrode plate includes a second carrying portion having a second hole. A resistor plate is placed between the first and second electrode plates. The resistor plate has a first through hole and a second through hole respectively on the first hole and the second hole. A first rivet is pressed into the first through hole and the first hole. A second rivet is pressed into the second through hole and the second hole. Current is applied to the first rivet and the second rivet to weld the first rivet, the first electrode plate and the resistor plate, and to weld the second rivet, the second electrode plate and the resistor plate.
-
公开(公告)号：US20190162757A1
公开(公告)日：2019-05-30
申请号：US16313366
申请日：2017-05-25
申请人： KOA CORPORATION
发明人： Soya MIYAJIMA , Ryo OSAWA , Yoji KOBAYASHI
摘要： Provided is a current measuring device for measuring current, including a conductor adapted to pass current therethrough, at least a pair of voltage sensing terminals arranged apart from each other on the conductor in the current flowing direction, and a substrate to which the voltage sensing terminals are connected. The substrate is long in the current flowing direction, and connection portion of the substrate that are connected to the voltage sensing terminals are arranged closer to one end side of the substrate in the lengthwise direction.
-
-
-
-
-
-
-
-
-
搜索结果
185 条记录 (耗时 0.017 秒)
