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公开(公告)号：US10535483B2
公开(公告)日：2020-01-14
申请号：US15904792
申请日：2018-02-26
申请人： SOKEN, INC. , DENSO CORPORATION , ANDEN CO., LTD.
摘要： In an electromagnetic relay device, a stationary core is coaxially arranged in an exciting coil, and constitutes a magnetic circuit. A yoke is arranged to surround an outer periphery of the exciting coil and the second end of the exciting coil to constitute the magnetic circuit. The yoke has an opening that is located to be closer to the first end of the exciting coil than to the second end of the exciting coil, and that faces the stationary core. A movable core is located to face the stationary core via the opening. The movable core is pulled to the stationary core upon the exciting coil being energized. A return spring is made of a magnetic member that is volutely wound in an axial direction of the stationary core. The return spring urges the movable core to be separated from the stationary core.
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公开(公告)号：US20190287748A1
公开(公告)日：2019-09-19
申请号：US16427795
申请日：2019-05-31
申请人： ANDEN CO., LTD.
发明人： Mitsugu FUJIWARA , Makoto KAMIYA
摘要： An electromagnetic relay includes: a coil; a housing that supports the coil; a non-movable portion supported by the housing and including a fixed core and a fixed magnetic path defining member; and a movable portion provided to be reciprocally movable along a center axis line of the coil according to an energization state of the coil. The movable portion includes a movable core disposed to face the fixed core along the center axis line. The movable portion integrally has a flange portion protruding in a coil radial direction perpendicular to the center axis line to define a separation distance and/or a facing area in a magnetic gap between the fixed magnetic path defining member and the movable core by abutting against the non-movable portion.
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公开(公告)号：US20190221392A1
公开(公告)日：2019-07-18
申请号：US16359547
申请日：2019-03-20
申请人： DENSO CORPORATION , SOKEN, INC. , ANDEN CO., LTD.
CPC分类号： H01H50/18 , H01H50/14 , H01H50/36 , H01H50/443 , H01H2205/002
摘要： A stationary core is in an exciting coil. A yoke covers an outer periphery and an axial end of the exciting coil to form a magnetic circuit and has an opening portion. The movable core faces the stationary core through the opening portion and is attracted toward the stationary core on energization of the exciting coil. A return spring urges the movable core against the attraction direction. A first gap is formed between the stationary core and the movable core on deenergization of the exciting coil. A second gap is formed between the yoke and the movable core on deenergization of the exciting coil. The second gap allows the yoke and the movable core to generate an attractive force therebetween on energization of the exciting coil. The return spring is made of a magnetic material to magnetically bridge the first gap or the second gap.
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公开(公告)号：US10271120B2
公开(公告)日：2019-04-23
申请号：US15755578
申请日：2016-08-25
申请人： ANDEN CO., LTD.
发明人： Susumu Miyata , Koshiro Hayakawa
摘要： In a sound generating device, a connection terminal made of a metal plate material electrically connected to an external equipment has a groove portion in a portion protruding inward of a base. A terminal fitting made of a metal plate material and electrically connected to the sounding body includes a terminal fitting main body that is mechanically joined to the sounding body, and a protrusion plate portion that extends from the terminal fitting main body portion and is press-fitted to the groove portion. The protrusion plate portion press-fitted to the groove portion of the connection terminal is provided integrally with the terminal fitting.
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公开(公告)号：US10199925B2
公开(公告)日：2019-02-05
申请号：US15807757
申请日：2017-11-09
申请人： ANDEN CO., LTD.
发明人： Koichi Watanabe
摘要： An overcurrent protection apparatus that protects, from overcurrent, a load drive system including a load circuit having an electric load and a semiconductor switch electrically connected to the load circuit so as to control a drive of the load circuit is provided. The overcurrent protection apparatus includes: an energization state acquisition part that is configured to acquire an energization state of load current flowing through the semiconductor switch and the load circuit when the semiconductor switch is ON; a change part that is configured to change an acquisition condition of the energization state at the energization state acquisition part in accordance with a driving state of the load circuit; and a protection operator that is configured to execute overcurrent protective operation of protecting the load drive system from the overcurrent based on the energization state acquired by the energization state acquisition part.
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公开(公告)号：US20180145501A1
公开(公告)日：2018-05-24
申请号：US15807804
申请日：2017-11-09
CPC分类号： H02H5/041 , H02H3/05 , H02H3/06 , H02H3/08 , H02H3/085 , H02H7/005 , H02H7/222 , H02M1/08 , H02M3/155
摘要： An overcurrent protection apparatus that protects, from overcurrent, a load circuit including an electric load and wiring electrically connected with each other is provided. The overcurrent protection apparatus includes: a semiconductor switching element that is configured to control energization to the load circuit; and a breaker that stops the semiconductor switching element upon detection of abnormality of overheat or overcurrent at the semiconductor switching element, the breaker having a latch operation mode of continuously stopping the semiconductor switching element even upon cancellation of abnormality detection, and a retry operation mode of canceling stoppage of the semiconductor switching element upon the cancellation of the abnormality detection. The breaker is configured to initially operate in the latch operation mode upon the abnormality detection, and then be switched to the retry operation mode after satisfaction of a predetermined condition.
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公开(公告)号：US20180061544A1
公开(公告)日：2018-03-01
申请号：US15686504
申请日：2017-08-25
申请人： DENSO CORPORATION , ANDEN CO., LTD.
发明人： Ken TANAKA , Shota IGUCHI , Hiroaki MURAKAMI
IPC分类号： H01F7/08
CPC分类号： H01F7/1653 , H01F3/00 , H01F7/08 , H01F7/081 , H01F7/13 , H01F7/1607 , H01F41/02 , H01F2007/086 , H01H50/36 , H01H50/42 , H01H51/065
摘要： In a main magnetic circuit, first pulling force generated based on a first component of the magnetic flux flowing through the main magnetic path pulls a movable core in a reciprocation direction of the movable core. The first pulling force increases with a reduction of a dimension of the gap. In an auxiliary magnetic circuit, second pulling force generated based on the second component of the magnetic flux flowing through the auxiliary magnetic path pulls the movable core in the reciprocation direction of the movable core. In the auxiliary magnetic circuit, the second pulling force with the dimension of the gap being within a first range is changed to be higher than the second pulling force with the dimension of the gap being within a second range, the second range being smaller than the first range.
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公开(公告)号：US09873375B2
公开(公告)日：2018-01-23
申请号：US15242656
申请日：2016-08-22
申请人： ANDEN CO., LTD.
IPC分类号： B60Q1/00 , B60Q5/00 , G10K11/178
CPC分类号： B60Q5/008 , G10K11/178 , G10K2210/1282
摘要： A vehicle approach alert device includes: a memory memorizing a warning sound source data for emitting a warning sound from an external sound emitting unit and a canceling sound source data for emitting a canceling sound from an internal sound emitting unit. The canceling sound cancels the warning sound transmitted from the external sound emitting unit to inside of the vehicle. The vehicle approach alert device further includes: a control part configured to read the warning sound source data from the memory to cause the external sound emitting unit to emit the warning sound based on the warning sound source data, and to read the canceling sound source data from the memory to cause the internal sound emitting unit to emit the canceling sound based on the canceling sound source data to be synchronized with the warning sound.
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公开(公告)号：US09868392B2
公开(公告)日：2018-01-16
申请号：US15129258
申请日：2014-03-28
发明人： Kazuaki Watanabe , Junichi Sato , Susumu Miyata , Makoto Tsuruta
CPC分类号： B60Q5/008 , H04R9/045 , H04R9/046 , H04R9/06 , H04R2499/13
摘要： This approaching vehicle notification sound speaker device is equipped with a voice coil for conducting an electrical signal, a cylindrical voice coil bobbin on which the voice coil is wound, an insulating sheet, and a cap. The sheet is wound on the voice coil bobbin at a position closer to the sound-emitting side than the voice coil, the cap is disposed closer to the sound-emitting side than the voice coil bobbin, the voice coil bobbin and the cap are made of an aluminum-containing material, and the sheet is formed with the inclusion of an aramid-based nonwoven fabric.
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公开(公告)号：US09859077B2
公开(公告)日：2018-01-02
申请号：US15022311
申请日：2014-09-11
申请人： Anden Co., Ltd.
摘要： A fixed core includes: a fixed core tapered portion having a diameter increased in an attraction direction; and a fixed core circular portion having a fixed outer diameter and extending in the attraction direction from an end of the fixed core tapered portion. A movable core includes a movable core tubular portion in which a movable core hole is defined. The movable core hole is a space into which the fixed core tapered portion and the fixed core circular portion can enter. The movable core tubular portion includes: a movable core cylindrical portion having a constant inner diameter; and a movable core tapered tubular portion having an inner diameter decreased from an end of the movable core cylindrical portion in a non-attraction direction.
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