公开(公告)号：US11515112B2

公开(公告)日：2022-11-29

申请号：US16415548

申请日：2019-05-17

Applicant: Fujitsu Component Limited

Inventor： Daiei Iwamoto

IPC: H01H50/42 ,  H01H50/64 ,  H01H50/24 ,  H01H50/30 ,  H01H51/01 ,  H01H51/10

Abstract: An electromagnetic relay includes an electromagnet unit, an armature supported so as to be pivotable relative to a yoke by a hinge spring, a contact including a first contact and a second contact, which can switch, in accordance with pivoting of the armature, between a closed contact state and an open contact state, an elastic member which elastically deforms in accordance with pivoting of the armature, and applies a contact force between the first contact and the second contact in the closed contact state, and a magnet which generates an attractive force for retaining the armature in an open contact position corresponding to the open contact state, wherein the armature is retained in the open contact position by a resultant force of a restoring force applied to the armature by the hinge springe, and the attractive force of the magnet.

公开(公告)号：US20180096810A1

公开(公告)日：2018-04-05

申请号：US15699397

申请日：2017-09-08

Applicant: Fujitsu Component Limited

Inventor： Takuji MURAKOSHI ,  Kazuo Kubono ,  Daiei Iwamoto

IPC: H01H50/58 ,  H01H50/36 ,  H01H50/02

CPC classification number: H01H50/58 ,  H01H9/443 ,  H01H50/02 ,  H01H50/28 ,  H01H50/36 ,  H01H51/2227 ,  H01H2001/5877

Abstract: An electromagnetic relay including: an electromagnet; a movable spring having a movable contact; a first terminal to which one end of the movable spring is connected; a second terminal having a fixed contact opposite to the movable contact; an actuator that rotates by excitation of the electromagnet, rotates the movable spring, and causes the movable contact to come in contact with the fixed contact or to separate from the fixed contact; a nonmagnetic card to be attached to the actuator; a plurality of magnetic members that sandwich the movable contact and the fixed contact, and apply a magnetic flux to the movable contact and the fixed contact to extend an arc; and a permanent magnet attached between the magnetic members.

公开(公告)号：US20140158511A1

公开(公告)日：2014-06-12

申请号：US14180544

申请日：2014-02-14

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Takashi Yuba ,  Daiei Iwamoto ,  SeungSeok Beak ,  Koichi Kiryu ,  Akio Nakamura

IPC: H01R13/70

CPC classification number: H01R13/70 ,  H01H9/40 ,  H01H15/02

Abstract: A switch device includes a first contacting portion including a first fixed contact, a first movable contact contactable to the first fixed contact, and a first break contact, the first movable contact being configured to selectively contact one of the first fixed contact and the first break contact; a second contacting portion including a second fixed contact, a second movable contact contactable to the second fixed contact, and a second break contact, the second movable contact being configured to selectively contact one of the second fixed contact and the second break contact; and a mechanical switch that mechanically moves the first movable contact and the second movable contact toward the first fixed contact and the second fixed contact, and toward the first break contact and the second break contact, respectively.

Abstract translation: 开关装置包括第一接触部分，第一接触部分包括第一固定触点，可接触第一固定触点的第一可动触头和第一断开触点，第一可动触头构造成选择性地接触第一固定触点和第一断开触点之一 联系; 第二接触部分，其包括第二固定触点，可接触第二固定触点的第二可动触点和第二断开触点，第二可动触头构造成选择性地接触第二固定触点和第二断开触点之一; 以及机械开关，其分别使第一可动触头和第二可动触头朝向第一固定触头和第二固定触头机械移动，并朝向第一断开触点和第二断开触点。

公开(公告)号：US10242829B2

公开(公告)日：2019-03-26

申请号：US15322282

申请日：2015-05-12

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Yoichi Hasegawa ,  Daiei Iwamoto

IPC: H01H3/00 ,  H01H50/14 ,  H01H50/38 ,  H01H50/56 ,  H01H50/02 ,  H01H50/44 ,  H01H50/58 ,  H01H1/26 ,  H01H9/44 ,  H01H50/24

Abstract: An electromagnetic relay includes: a base; a pair of fixed contact terminals, each including a fixed contact and a first fulcrum fixed to the base; a movable contact spring including a pair of movable pieces, each of the movable pieces including a movable contact contacting and separating from the fixed contact; an armature that is coupled with the movable contact spring, by a rotary motion around a second fulcrum; an electromagnetic device that drives the armature; and a permanent magnet arranged between the pair of fixed contact terminals and between the pair of movable pieces to generate a magnetic field. The first fulcrum and the second fulcrum are arranged mutually in opposite directions with respect to the movable contact or the fixed contact.

公开(公告)号：US09466926B2

公开(公告)日：2016-10-11

申请号：US14180544

申请日：2014-02-14

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Takashi Yuba ,  Daiei Iwamoto ,  SeungSeok Beak ,  Koichi Kiryu ,  Akio Nakamura

IPC: H01R13/70 ,  H01H15/02 ,  H01H9/40

CPC classification number: H01R13/70 ,  H01H9/40 ,  H01H15/02

Abstract: A switch device includes a first contacting portion including a first fixed contact, a first movable contact contactable to the first fixed contact, and a first break contact, the first movable contact being configured to selectively contact one of the first fixed contact and the first break contact; a second contacting portion including a second fixed contact, a second movable contact contactable to the second fixed contact, and a second break contact, the second movable contact being configured to selectively contact one of the second fixed contact and the second break contact; and a mechanical switch that mechanically moves the first movable contact and the second movable contact toward the first fixed contact and the second fixed contact, and toward the first break contact and the second break contact, respectively.

Abstract translation: 开关装置包括第一接触部分，第一接触部分包括第一固定触点，可接触第一固定触点的第一可动触头和第一断开触点，第一可动触头构造成选择性地接触第一固定触点和第一断开触点之一 联系; 第二接触部分，其包括第二固定触点，可接触第二固定触点的第二可动触点和第二断开触点，第二可动触头构造成选择性地接触第二固定触点和第二断开触点之一; 以及机械开关，其分别使第一可动触头和第二可动触头朝向第一固定触头和第二固定触头机械移动，并朝向第一断开触点和第二断开触点。

公开(公告)号：US11120961B2

公开(公告)日：2021-09-14

申请号：US16266400

申请日：2019-02-04

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Yoichi Hasegawa ,  Daiei Iwamoto

IPC: H01H3/00 ,  H01H50/14 ,  H01H50/38 ,  H01H50/56 ,  H01H50/44 ,  H01H50/58 ,  H01H50/02 ,  H01H1/26 ,  H01H9/44 ,  H01H50/24

Abstract: An electromagnetic relay 1 includes: a base 28; a pair of fixed contact terminals 22 each including a fixed contact 38 and a first fulcrum 22d fixed to the base; a movable contact spring 18 including a pair of movable pieces, each of the movable pieces including a movable contact 36 contacting and separating from the fixed contact; an armature 16 that is coupled with the movable contact spring, and moves the movable contact spring by a rotary motion around a second fulcrum 16e; an electromagnetic device 31 that drives the armature; and a permanent magnet 12 that is arranged between the pair of fixed contact terminals and between the pair of movable pieces, and generates a magnetic field; wherein the first fulcrum and the second fulcrum are arranged mutually in opposite directions with respect to the movable contact or the fixed contact.

公开(公告)号：US10262818B2

公开(公告)日：2019-04-16

申请号：US15543644

申请日：2016-01-28

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Daiei Iwamoto

IPC: H01H33/18 ,  H01H1/26 ,  H01H9/44 ,  H01H9/40

Abstract: A switch includes a first switch (100) including a first fixed contact (111) and a first movable contact (121) and a second switch (200) including a second fixed contact (211) and a second movable contact (221). The first fixed contact (111) and the first movable contact (121) come into contact and the second fixed contact (211) and the second movable contact (221) come into contact to turn on the switch. A magnet (320) is installed between the first switch (100) and the second switch (200).

公开(公告)号：US20180182584A1

公开(公告)日：2018-06-28

申请号：US15846399

申请日：2017-12-19

Applicant: FUJITSU COMPONENT LIMITED ,  NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY

Inventor： Daiei Iwamoto ,  Junya Sekikawa

IPC: H01H50/38 ,  H01H50/14 ,  H01H50/18 ,  H01H9/34

CPC classification number: H01H50/38 ,  H01H1/2066 ,  H01H9/34 ,  H01H9/36 ,  H01H9/443 ,  H01H33/596 ,  H01H50/14 ,  H01H50/18 ,  H01H50/26 ,  H01H50/546

Abstract: An electromagnetic relay includes a fixed contact part including a fixed terminal and a fixed contact connected to the fixed terminal, a movable contact part including a movable contact spring and a movable contact connected to the movable contact spring, an armature to which the movable contact part is connected, an electromagnet configured to move the armature, a magnet configured to stretch an arc generated between the fixed contact and the movable contact, and a first arc extinguishing plate and a second arc extinguishing plate configured to extinguish the stretched arc. The fixed contact and the movable contact are disposed between the first arc extinguishing plate and the second arc extinguishing plate. The magnet is disposed between a first pair of the fixed contact part and the movable contact part and a second pair of the fixed contact part and the movable contact part.

公开(公告)号：US20130285774A1

公开(公告)日：2013-10-31

申请号：US13869561

申请日：2013-04-24

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Yoichi HASEGAWA ,  Takashi Yuba ,  Daiei Iwamoto

IPC: H01H3/28

CPC classification number: H01H50/021 ,  H01H3/28 ,  H01H50/023 ,  H01H50/04 ,  H01H50/14 ,  H01H50/443

Abstract: An electromagnetic relay includes: a main body including: a first cover; an electromagnet having a first terminal extending toward the outside from a bottom surface of the first cover; and a contact portion that opens and closes according to a magnetic attractive force of the electromagnet, and has a second terminal extending toward the outside from the bottom surface of the first cover; a cable line drawn out to the outside of the electromagnetic relay; and a printed circuit board that fixes the cable line to at least one of the first terminal and the second terminal by dip soldering, and electrically connects the cable line to the at least one of the first terminal and the second terminal.

Abstract translation: 电磁继电器包括：主体，包括：第一盖; 电磁体，具有从第一盖的底面向外侧延伸的第一端子; 以及接触部，其根据所述电磁体的吸引力而开闭，并且具有从所述第一盖的底面向外侧延伸的第二端子， 将电缆线拉出到电磁继电器的外部; 以及印刷电路板，其通过浸焊将所述电缆线固定到所述第一端子和所述第二端子中的至少一个，并且将所述电缆线电连接到所述第一端子和所述第二端子中的至少一个。

公开(公告)号：US10658141B2

公开(公告)日：2020-05-19

申请号：US15699397

申请日：2017-09-08

Applicant: FUJITSU COMPONENT LIMITED

Inventor： Takuji Murakoshi ,  Kazuo Kubono ,  Daiei Iwamoto

IPC: H01H3/00 ,  H01H50/58 ,  H01H50/28 ,  H01H51/22 ,  H01H9/44 ,  H01H50/02 ,  H01H50/36 ,  H01H1/58

Abstract: An electromagnetic relay including: an electromagnet; a movable spring having a movable contact; a first terminal to which one end of the movable spring is connected; a second terminal having a fixed contact opposite to the movable contact; an actuator that rotates by excitation of the electromagnet, rotates the movable spring, and causes the movable contact to come in contact with the fixed contact or to separate from the fixed contact; a nonmagnetic card to be attached to the actuator; a plurality of magnetic members that sandwich the movable contact and the fixed contact, and apply a magnetic flux to the movable contact and the fixed contact to extend an arc; and a permanent magnet attached between the magnetic members.