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公开(公告)号：US20140326499A1
公开(公告)日：2014-11-06
申请号：US14364558
申请日：2013-09-13
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Yoshinori Ohashi
CPC classification number: H03H1/0007 , H01F2017/065 , H02G5/06 , H03H7/01 , H03H2001/0028 , H03H2001/0057
Abstract: A frequency range and an attenuation amount of noise to be eliminated change depending upon to which one of two regions of side frames of a bottom serving as a ground conductor surface first, second and third capacitors are connected. Even if impedance of a ferrite core, the shape of a casing, capacitances of the capacitors, and the like are constant, a noise elimination characteristic changes by changing positions of the first to third capacitors. As a result, components including the ferrite core are commonalized and the noise elimination characteristic is easily adjusted in spite of characteristics of electrical equipment.
Abstract translation: 要消除的噪声的频率范围和衰减量根据用作接地导体表面的底部的两个侧边框的哪一个区域中的哪一个连接到第一，第二和第三电容器。 即使铁氧体磁芯的阻抗，壳体的形状，电容器的电容等是恒定的，因此通过改变第一至第三电容器的位置来改变噪声消除特性。 结果，包括铁氧体磁芯的组件是共同的，并且除了电气设备的特性之外容易调整噪声消除特性。
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公开(公告)号：US09331657B2
公开(公告)日：2016-05-03
申请号：US14364558
申请日：2013-09-13
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Yoshinori Ohashi
CPC classification number: H03H1/0007 , H01F2017/065 , H02G5/06 , H03H7/01 , H03H2001/0028 , H03H2001/0057
Abstract: A bus bar device with a noise filter includes a magnetic body, a bus bar and first to third capacitors. The bus bar has input and output ends and extends through the magnetic body. The capacitors are disposed on an electrical path between the bus bar and a ground conductor surface. The first capacitor is located at the input end side of the bus bar and the second and third capacitors are located at the output end side. The first capacitor has one end connected to the bus bar and the other end connected to the ground conductor surface in one of two regions divided by the bus bar. Each one of the second and third capacitors has one end connected to the bus bar and the other end connected to the ground conductor surface in the same region as the first capacitor or in the other region.
Abstract translation: 具有噪声滤波器的汇流条装置包括磁体，母线和第一至第三电容器。 母线有输入和输出端，并延伸穿过磁体。 电容器设置在母线和接地导体表面之间的电气路径上。 第一电容器位于母线的输入端侧，第二和第三电容器位于输出端侧。 第一电容器的一端连接到汇流条，另一端连接到由母线划分的两个区域之一中的接地导体表面。 第二和第三电容器的每个电容器的一端连接到母线，另一端连接到与第一电容器相同的区域中的接地导体表面，或者在另一个区域中。
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公开(公告)号：US10205429B2
公开(公告)日：2019-02-12
申请号：US15271879
申请日：2016-09-21
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Tomokazu Tanimizu , Kazushige Ueno , Katsuyuki Morita , Yoshinori Ohashi
Abstract: An object is to provide an output-noise reduction device that can prevent noise from an electronic device accommodated in a metal casing from being transmitted due to electromagnetic coupling. An output voltage is extracted to the outside through a conducting bar. A magnetic body core includes a through hole through which the conducting bar is inserted. A chip capacitor is mounted on a mounting board and connects between the output terminal VO and ground potential. A section from the output terminal VO to at least part of the chip capacitor mounted on the mounting board is isolated from the electromagnetic coupling from the electronic device. Thus, noise is prevented from being transmitted to the output terminal VO.
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