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公开(公告)号：US20240145195A1
公开(公告)日：2024-05-02
申请号：US18547510
申请日：2022-01-18
申请人： OMRON Corporation
发明人： Hiroyuki IWASAKA , Takeshi NISHIDA , Ryota MINOWA , Shinichi OGAWA , Kohei OTSUKA , Ayata HORIE
摘要： An electromagnetic relay includes a case, a fixed terminal, and a female screw member. The fixed terminal includes an external connecting portion. The external connecting portion has a screw insertion hole, exposed to the outside from the case, and configured to be screwed to an external terminal. The female screw member is prevented from rotating by the case. The case includes a held portion that is held between the external connecting portion of the fixed terminal and the female screw member in a direction of penetration of the screw insertion hole, the direction of penetration including a first direction from the external connecting portion toward the female screw member and a second direction from the female screw member toward the external connecting portion.
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公开(公告)号：US20220093355A1
公开(公告)日：2022-03-24
申请号：US17421726
申请日：2019-11-18
申请人： OMRON Corporation
发明人： Yasuo HAYASHIDA , Ryota MINOWA , Shingo MORI , Naoki KAWAGUCHI , Kohei OTSUKA , Hiroyuki IWASAKA
摘要： A first yoke is arranged in a contact direction with respect to a movable contact piece. A second yoke is arranged in an opening direction with respect to the movable contact piece. The first yoke and the second yoke are configured to generate a magnetic force that attracts the first yoke and the second yoke to each other when the movable contact contacts the fixed contact and is energized. The first yoke and the second yoke are arranged not to contact each other so that the movable contact piece can contact the fixed terminal in a state where the movable contact and the fixed contact are lost.
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公开(公告)号：US20210335565A1
公开(公告)日：2021-10-28
申请号：US17262209
申请日：2019-02-19
申请人： OMRON Corporation
发明人： Naoki KAWAGUCHI , Ryota MINOWA , Yasuo HAYASHIDA , Kohei OTSUKA , Shingo MORI , Hiroyuki IWASAKA
摘要： A relay includes a first fixed contact, a second fixed contact, a movable contact piece having first and second movable contacts, a contact piece holding unit configured to hold the movable contact piece, and first to fourth magnets. The first magnet and the second magnet are disposed so that same poles thereof face each other. The movable contact piece is disposed between the first magnet and the second magnet in a width direction of the movable contact piece. The third magnet is disposed so as to increase a magnetic flux in a longitudinal direction of the movable contact piece at a position between the first fixed contact and the first movable contact. The fourth magnet is disposed so as to increase a magnetic flux in the longitudinal direction of the movable contact piece at a position between the second fixed contact and the second movable contact.
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公开(公告)号：US20210082649A1
公开(公告)日：2021-03-18
申请号：US17012068
申请日：2020-09-04
申请人： OMRON Corporation
发明人： Kohei OTSUKA , Ryota MINOWA , Hiroyuki IWASAKA , Hiroyuki HARIMOCHI , Shinichi OGAWA , Naoki KAWAGUCHI
摘要： A pair of fixed terminals each include a first plate portion and a fixed contact arranged on the first plate portion. A movable contact piece includes a pair of movable contacts arranged to face the fixed contact. An accommodating portion includes a plurality of wall portions extending in a moving direction of the movable contact piece and an accommodating space that is surrounded by the plurality of wall portions and accommodates the fixed contact and the movable contact piece. The first plate portion protrudes from one of the plurality of wall portions to an outside of the accommodating space. At least one magnet is arranged to face a wall portion different from the wall portion from which the first plate portion protrudes among the plurality of wall portions.
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公开(公告)号：US20240355566A1
公开(公告)日：2024-10-24
申请号：US18684819
申请日：2022-03-16
申请人： OMRON Corporation
发明人： Ayata HORIE , Hiroyuki IWASAKA , Ryota MINOWA , Shinichi OGAWA , Kohei OTSUKA
摘要： An electromagnetic relay includes a drive shaft, a drive device, a movable piece, a first fixed terminal, and a second fixed terminal. The drive shaft is movable in a moving direction. The drive shaft extends in the moving direction. The drive device moves the drive shaft in the moving direction. The movable piece includes a center portion connected to the drive shaft. The movable piece extends in a longitudinal direction. The first fixed terminal and the second fixed terminal face the movable piece. The movable piece includes a first contact portion and a second contact portion. The first contact portion contacts the first fixed terminal. The second contact portion contacts the second fixed terminal. The first contact portion is disposed eccentrically with respect to a center line of the movable piece. The center line of the movable piece extends in the longitudinal direction through the center portion.
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公开(公告)号：US20240136132A1
公开(公告)日：2024-04-25
申请号：US18547511
申请日：2022-01-18
申请人： OMRON Corporation
发明人： Ayata HORIE , Hiroyuki IWASAKA , Ryota MINOWA , Shinichi OGAWA , Kohei OTSUKA
摘要： An electromagnetic relay includes a case, a movable contact piece, a fixed terminal, a driving device, and an insulating wall. The movable contact piece includes a movable contact. The fixed terminal includes a fixed contact, a contact support portion, an extension portion, and a bent portion. The contact support portion supports the fixed contact. The extension portion extends from the contact support portion in a longitudinal direction of the movable contact piece. The bent portion extends in a bent shape from the extension portion in a first direction from the fixed contact toward the movable contact, and overlaps the movable contact piece in the longitudinal direction of the movable contact piece. The driving device is configured to move the movable contact piece. The insulating wall is integral with the case and is disposed between the bent portion and the movable contact piece.
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公开(公告)号：US20240071702A1
公开(公告)日：2024-02-29
申请号：US18360812
申请日：2023-07-28
申请人： OMRON Corporation
发明人： Kohei OTSUKA , Ayata HORIE , Hiroyuki IWASAKA , Ryota MINOWA , Shinichi OGAWA
CPC分类号： H01H50/546 , H01H50/02
摘要： An electromagnetic relay includes a fixed contact, a movable contact, a movable contact piece, a case, and an adhesive material. The movable contact is disposed to face the fixed contact. The movable contact piece is connected to the movable contact. The movable contact piece is movable between a closed position in which the movable contact is in contact with the fixed contact and an open position in which the movable contact is separated from the fixed contact. The case accommodates the fixed contact and the movable contact. The adhesive material is disposed in the case. The adhesive material captures foreign matter in the case.
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公开(公告)号：US20230282434A1
公开(公告)日：2023-09-07
申请号：US18011504
申请日：2021-06-16
申请人： OMRON Corporation
摘要： An electromagnetic relay includes a base, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece, a movable member, and a return spring. The movable contact piece includes a pair of movable contacts configured to contact the first fixed contact and the second fixed contact. The movable member is movable with the movable contact piece in a contact direction and in a separation direction. The return spring is disposed between the base and the movable member and urges the movable member in the separation direction. The base includes a guide portion to guide movement of the movable member. The movable member includes a sliding portion slidable with respect to the guide portion. The return spring is disposed inside the guide portion. The guide portion is disposed in the contact direction with respect to the first fixed contact.
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公开(公告)号：US20210343493A1
公开(公告)日：2021-11-04
申请号：US17283253
申请日：2019-09-18
申请人： OMRON Corporation
发明人： Shingo MORI , Ryota MINOWA , Yasuo HAYASHIDA , Naoki KAWAGUCHI , Kohei OTSUKA , Hiroyuki IWASAKA
摘要： An electromagnetic relay includes a fixed terminal, a movable contact piece, a housing, and a heat dissipation structure. The fixed terminal includes a first surface, a second surface opposite the first surface, and a fixed contact disposed on the first surface. The movable contact piece includes a movable contact that is configured to contact the fixed contact. The housing includes an accommodation space accommodating a portion of the fixed terminal, the fixed contact, and the movable contact piece. The heat dissipation structure includes a heat dissipation space that is provided on the second surface of the fixed terminal for dissipating the heat of the fixed terminal to an outside of the accommodation space.
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公开(公告)号：US20240120165A1
公开(公告)日：2024-04-11
申请号：US18263345
申请日：2022-01-18
申请人： OMRON Corporation
发明人： Kohei OTSUKA , Ryota MINOWA , Hiroyuki IWASAKA , Shinichi OGAWA , Ayata HORIE
IPC分类号： H01H50/64
CPC分类号： H01H50/641
摘要： An electromagnetic relay includes a fixed contact, a movable contact, a movable contact piece, a movable iron core, a drive shaft, a coil, and a stopper. The movable iron core is movable in a moving direction including a contact direction in which the movable contact approaches the fixed contact and a separation direction in which the movable contact separates from the fixed contact. The movable iron core includes a shaft hole extending in the moving direction. The drive shaft is connected to the movable contact piece. The drive shaft extends through the shaft hole. The drive shaft is fixed to the movable iron core. The coil generates a magnetic force to move the movable iron core in the moving direction. The stopper is connected to the drive shaft. The stopper restricts a movement of the movable iron core with respect to the drive shaft in the moving direction.
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