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公开(公告)号：US20190122844A1
公开(公告)日：2019-04-25
申请号：US16220725
申请日：2018-12-14
申请人： OMRON Corporation
摘要： An electromagnetic relay includes a housing, a pair of fixed terminals, a movable contactor that is movably disposed so as to approach and separate from a fixed contact placement surface of each of the pair of fixed terminals, a movable shaft capable of moving in conjunction with the movable contactor, electromagnetic drive unit that drives the movable shaft to move the movable contactor in a moving direction, and an attenuation mechanism unit that includes an insulating attenuation member disposed between the movable contactor and the electromagnetic drive unit, and a sound insulating gap provided between the attenuation member and the electromagnetic drive unit.
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公开(公告)号：US12040149B2
公开(公告)日：2024-07-16
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
CPC分类号： H01H50/34 , H01H50/546
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：US11784019B2
公开(公告)日：2023-10-10
申请号：US17520717
申请日：2021-11-08
申请人： OMRON Corporation
发明人： Naoki Kawaguchi , Ryota Minowa , Kohei Otsuka
摘要： An electromagnetic relay includes a base, a case, an arc extension space, a contact device, and a magnet. The contact device includes a fixed terminal, a fixed contact, a movable contact piece, a movable contact. The magnet includes a first magnet portion facing the contact device, and a second magnet portion disposed adjacent to the first magnet portion and facing the arc extension space. The magnet generates a magnetic field to extend an arc generated between the fixed contact and the movable contact. The base is separated from a midpoint of a straight line between the fixed contact and the movable contact by a distance different from a distance between the base and a center of the arc extension space. The base is separated from a center of the first magnet portion by a distance different from a distance between the base and a center of the second magnet portion.
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公开(公告)号：US11756759B2
公开(公告)日：2023-09-12
申请号：US17262221
申请日：2019-02-19
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 contact, a movable contact piece having a movable contact, a drive shaft, an electromagnetic drive device, and a positioning portion. The movable contact piece is movable in a first direction contacting the fixed contact and in a second direction separating from the fixed contact. The electromagnetic drive device includes a movable iron core integrally movably connected to the drive shaft. The electromagnetic drive device switches between a contact state in which the movable contact comes into contact with the fixed contact and a separate state in which the movable contact is separated from the fixed contact by moving the drive shaft with the movable iron core. The positioning portion positions the drive shaft or the movable iron core in the separate state. The drive shaft or the movable iron core includes a first inclined portion that contacts the positioning portion in the separate state.
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公开(公告)号：US11450498B2
公开(公告)日：2022-09-20
申请号：US17262212
申请日：2019-02-19
申请人： OMRON Corporation
发明人： Kohei Otsuka , Ryota Minowa , Hiroyuki Iwasaka , Yasuo Hayashida , Shingo Mori , Naoki Kawaguchi
摘要： A relay, including 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, a magnet for arc extinguishing, and a debris suction unit configured to exert a magnetic force to suck debris, is disclosed. A first contact position between the first fixed contact and the first movable contact is located between the magnet for arc extinguishing and the contact piece holding unit in a longitudinal direction of the movable contact piece. The debris suction unit is disposed so that the first contact position does not overlap a region between the debris suction unit and the contact piece holding unit. A magnet force exerted by the debris suction unit in the contact piece holding unit is larger than a magnetic force exerted by the magnet in the contact piece holding unit.
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公开(公告)号：US11244798B2
公开(公告)日：2022-02-08
申请号：US16614160
申请日：2018-08-09
申请人： Omron Corporation
发明人： Shingo Mori , Hiroyuki Iwasaka , Ryota Minowa
摘要： Provided is a connection unit including an electromagnetic relay and a bus bar connected to the electromagnetic relay. In such a connection unit, a first bus bar connected to a first fixed contact terminal is disposed facing one surface of a movable touch piece located on an opposite side of the movable touch piece from the other surface of the movable touch piece in a contact-making and breaking direction, with a gap provided between the first bus bar and the movable touch piece in the contact-making and breaking direction, the first bus bar extends in a direction that intersects the contact-making and breaking direction and in which a first movable contact and a second movable contact of the movable touch piece are arranged, and at least part of the first bus bar lies over the movable touch piece in plan view in the contact-making and breaking direction.
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公开(公告)号：US10937617B2
公开(公告)日：2021-03-02
申请号：US16282546
申请日：2019-02-22
申请人： Omron Corporation
发明人： Ryota Minowa , Hiroyuki Iwasaka , Shingo Mori
摘要： A relay has a case, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable touch piece including a first movable contact that is disposed facing the first fixed contact and a second movable contact that is disposed facing the second fixed contact, the movable touch piece being disposed in the case and disposed so as to be movable in a direction in which the first movable contact and the second movable contact come into contact with the first fixed contact and the second fixed contact and in a direction in which the first movable contact and the second movable contact separate from the first fixed contact and the second fixed contact. The first fixed terminal includes a first contact support disposed in the case and configured to support the first fixed contact.
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公开(公告)号：US20200176208A1
公开(公告)日：2020-06-04
申请号：US16614160
申请日：2018-08-09
申请人： Omron Corporation
发明人： Shingo Mori , Hiroyuki Iwasaka , Ryota Minowa
摘要： Provided is a connection unit including an electromagnetic relay and a bus bar connected to the electromagnetic relay. In such a connection unit, a first bus bar connected to a first fixed contact terminal is disposed facing one surface of a movable touch piece located on an opposite side of the movable touch piece from the other surface of the movable touch piece in a contact-making and breaking direction, with a gap provided between the first bus bar and the movable touch piece in the contact-making and breaking direction, the first bus bar extends in a direction that intersects the contact-making and breaking direction and in which a first movable contact and a second movable contact of the movable touch piece are arranged, and at least part of the first bus bar lies over the movable touch piece in plan view in the contact-making and breaking direction.
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公开(公告)号：US20190311871A1
公开(公告)日：2019-10-10
申请号：US16309778
申请日：2017-06-22
申请人： OMRON Corporation
摘要： An electromagnetic relay includes a box-shaped insulating housing in which a closed space is formed, a pair of fixed terminals fixed to the housing electrically independently of each other and each having a fixed contact placement surface in the closed space, a plate-shaped conductive movable contactor that is provided in the closed space, has a first surface facing the fixed contact placement surfaces of the pair of fixed terminals, and is movably disposed such that the first surface approaches and separates from the fixed contact placement surfaces of the pair of fixed terminals, a pair of fixed contacts respectively provided on the fixed contact placement surfaces of the pair of fixed terminals, and a pair of movable contacts that is respectively provided on the first surface of the movable contactor and respectively face the pair of fixed contacts.
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公开(公告)号：US20190304729A1
公开(公告)日：2019-10-03
申请号：US16282507
申请日：2019-02-22
申请人： Omron Corporation
摘要： A relay has a case, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable touch piece including a first movable contact that is disposed facing the first fixed contact and a second movable contact that is disposed facing the second fixed contact, the movable touch piece being disposed in the case and disposed so as to be movable in a contact direction in which the first movable contact and the second movable contact come into contact with the first fixed contact and the second fixed contact and a separation direction in which the first movable contact and the second movable contact separate from the first fixed contact and the second fixed contact. The first fixed terminal includes a first contact support configured to support the first fixed contact.
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