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公开(公告)号：US11784017B2
公开(公告)日：2023-10-10
申请号：US17297461
申请日：2019-10-16
申请人： OMRON Corporation
发明人： Naoki Kawaguchi , Ryota Minowa , Yasuo Hayashida , Shingo Mori , Kohei Otsuka , Hiroyuki Iwasaka
摘要： An electromagnetic relay includes a pair of fixed terminals including a fixed contact, a movable contact piece, a housing portion, and a magnet portion. The movable contact piece includes a movable contact disposed facing the fixed contact. The movable contact piece is movable in a first direction in which the movable contact contacts the fixed contact and a second direction in which the movable contact separates from the fixed contact. The housing portion includes a housing space housing the fixed contact and movable contact piece. The magnet portion includes a pair of magnets disposed around the housing portion so as to face each other in a longitudinal direction of the movable contact piece and extending in the second direction beyond the housing space. The magnet portion generates a magnetic flux flowing in a direction parallel to the longitudinal direction between the fixed contact and the movable contact.
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公开(公告)号：US11636992B2
公开(公告)日：2023-04-25
申请号：US17297459
申请日：2019-10-17
申请人： OMRON Corporation
发明人： Kohei Otsuka , Ryota Minowa , Hiroyuki Iwasaka , Yasuo Hayashida , Shingo Mori , Naoki Kawaguchi
摘要： An electromagnetic relay includes a pair of fixed terminals, a movable contact piece, and a magnet portion. The pair of fixed terminals includes fixed contact. The movable contact piece that includes a movable contact disposed facing the fixed contact and that is movable in a first direction in which the movable contact contacts the fixed contact and in a second direction in which the movable contact separates from fixed contact. The magnet portion generating a magnetic field for extending an arc generated between the fixed contact and the movable contact. At least one of a corner portion in the first direction side of the fixed terminal located in an arc extension direction in which the arc is extended or a corner portion in the second direction side of the movable contact piece located in the arc extension direction has a chamfered shape in a range where the arc passes through.
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公开(公告)号：US10892125B2
公开(公告)日：2021-01-12
申请号：US16131764
申请日：2018-09-14
申请人： OMRON Corporation
发明人： Ryota Minowa , Shingo Mori
IPC分类号： H01H50/54 , H01H50/04 , H01H9/44 , H01H50/14 , H01H50/18 , H01H50/44 , H01H50/22 , H01H50/38
摘要： An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal secured to the housing; a movable contact accommodated in a chamber in the housing; a movable shaft with one end connected to the movable contact, and a solenoid configured to drive the movable shaft in a contact movement direction. The solenoid includes: a spool with a through-hole in the drum; a fixed armature secured in the through-hole; and a movable armature arranged between the fixed armature in the through-hole and an insulating wall; the movable armature is configured to travel with the movable shaft between an operation position and a return position. The housing includes an alignment part that determines the return position of the movable armature.
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公开(公告)号：US20190148095A1
公开(公告)日：2019-05-16
申请号：US16093458
申请日：2017-02-27
申请人： OMRON Corporation
发明人： Ryota Minowa , Shingo Mori
摘要： A contact switching device includes a pair of fixed contact terminals that include fixed contacts at one-side ends and are arranged side by side, a movable contactor that includes a pair of movable contacts at both ends, and are disposed so as to bridge between the pair of fixed contact terminals, and supported so as to be able to reciprocate towards the fixed contact terminals, each of the movable contacts facing each of the fixed contacts so as to be able to come into contact with and separate from each of the fixed contacts, and a pair of leading terminals configured to respectively fix fixed portions, provided at one-side ends, to other-side ends of the fixed contact terminals. An extension portion continuing to each of the fixed portions or at least one of the leading terminals is disposed so as to follow the movable contactor.
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公开(公告)号：US20190131095A1
公开(公告)日：2019-05-02
申请号：US16159109
申请日：2018-10-12
申请人： OMRON Corporation
发明人： Ryota Minowa , Shingo Mori
CPC分类号： H01H50/54 , H01H1/502 , H01H9/443 , H01H50/04 , H01H50/18 , H01H50/443 , H01H50/546 , H01H2050/446
摘要： An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal; a movable contact, a movable shaft with one end connected to the movable contact, and a coil spring placed between the movable contact and an insulating wall in a chamber in the housing. The coil spring configured to bias movable contact points toward the opposing fixed contact points. The movable contact includes a contact body which includes a connection hole configured to receive the movable shaft and allow the movable shaft to travel relatively in the contact movement direction. The movable shaft includes a second holder that together with the first holder retains the coil spring.
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公开(公告)号：US20190035585A1
公开(公告)日：2019-01-31
申请号：US16085874
申请日：2017-02-14
申请人： OMRON Corporation
发明人： Ryota Minowa , Shingo Mori
摘要： An electromagnetic relay includes a pair of fixed contacts, a pair of movable contacts that respectively face the pair of fixed contacts and are structured to respectively come into contact with and be separated from the pair of fixed contacts, a movable touch piece configured to electrically connect the pair of movable contacts, and a pair of permanent magnets that are arranged on a straight line passing through the pair of fixed contacts and the pair of movable contacts in a planar view seen along a contact-separation direction in which each of the movable contacts comes into contact with or is separated from each of the fixed contacts. The pair of permanent magnets face each other. The pair of permanent magnets are arranged so as to sandwich the pair of fixed contacts and the pair of movable contacts.
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公开(公告)号：US11942297B2
公开(公告)日：2024-03-26
申请号：US17262219
申请日：2019-02-18
申请人： OMRON Corporation
发明人： Naoki Kawaguchi , Ryota Minowa , Yasuo Hayashida , Shingo Mori , Kohei Otsuka , Hiroyuki Iwasaka
摘要： A relay includes a movable contact piece having a movable contact, a fixed contact, a drive device configured to move the movable contact piece, a magnet to apply a Lorentz force to an arc in a first extension direction, a fixed terminal having an intermediate portion to apply a Lorentz force to the arc in a second extension direction, and a wall portion. The wall portion includes first and second wall surfaces. The first wall surface is disposed to face an arc-extinguishing space, and is disposed opposite to the movable contact and the fixed contact in the first extension direction. The second wall surface is disposed to face the arc-extinguishing space and is disposed downstream in the second extension direction with respect to the first wall surface. A distance from the movable contact piece to the second wall surface differs from a distance to the first wall surface.
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公开(公告)号：US11373830B2
公开(公告)日：2022-06-28
申请号：US17012052
申请日：2020-09-04
申请人： OMRON Corporation
发明人： Naoki Kawaguchi , Ryota Minowa , Hiroyuki Harimochi , Shinichi Ogawa , Kohei Otsuka , Hiroyuki Iwasaka
摘要： A movable contact piece is movable in an open direction and a closed direction with respect to a first fixed terminal and a second fixed terminal. A first movable contact is connected to the movable contact piece. The first movable contact is disposed facing a first fixed contact. A second movable contact is connected to the movable contact piece. The second movable contact is disposed facing a second fixed contact. At least one of the first fixed contact or the first movable contact has a material property different from that of at least one of the second fixed contact or the second movable contact.
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公开(公告)号：US11289296B2
公开(公告)日：2022-03-29
申请号：US16282115
申请日：2019-02-21
申请人： Omron Corporation
发明人： Ryota Minowa , Hiroyuki Iwasaka , Naoki Kawaguchi
摘要： A relay has a first fixed contact, 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 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, a holder configured to hold the movable touch piece, a drive shaft connected to the holder, and a drive device configured to move the drive shaft in a movement direction of the movable touch piece.
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公开(公告)号：US11276538B2
公开(公告)日：2022-03-15
申请号：US16640889
申请日：2018-07-02
申请人： Omron Corporation
发明人： Ryota Minowa , Shingo Mori
摘要： A connection unit includes: an electromagnetic relay having a housing, a first fixed contact side terminal, a second fixed contact side terminal, and a movable touch piece; a first bus bar extending on an outside of the housing along a bus bar installation surface in an arrangement direction, and whose one end in the arrangement direction is connected to the first fixed contact side terminal; a second bus bar connected to the second fixed contact side terminal on the outside of the housing; and a bus bar position restrictor arranged on the bus bar installation surface with a gap in the arrangement direction from a connection point, and configured to restrict a position of the first bus bar in a contact/separation direction and in a direction away from the bus bar installation surface.
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