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公开(公告)号：US11150124B2
公开(公告)日：2021-10-19
申请号：US16736944
申请日：2020-01-08
申请人： YAZAKI CORPORATION
发明人： Shinpei Kato , Shintaro Nakajima
IPC分类号： G01F23/38
摘要： A liquid level detection device unit includes a liquid level detection device configured to detect a liquid level of liquid stored in a tank, and a fixing member fixing the liquid level detection device to inside of the tank. The liquid level detection device includes a device body, at least one terminal electrically connected to a detection unit in a housing of the device body, and a detection wire in which one end is electrically connected to an exposed part of the terminal exposed from the housing. At least one through opening is provided on an attachment surface of the fixing member so as to face the exposed part of the terminal and prevent the liquid from staying in a connection portion between the terminal and the detection wire.
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公开(公告)号：US10648848B2
公开(公告)日：2020-05-12
申请号：US15997007
申请日：2018-06-04
申请人： Yazaki Corporation
发明人： Ryo Hirose , Shintaro Nakajima , Shinpei Kato , Shingo Nomoto
摘要： A mounting structure includes a mounting object member and a liquid level detecting device. The liquid level detecting device includes a device main body which is mounted on a mounting surface of the mounting object member and a holder which is attached to the device main body and is rotated according to a variation of a liquid level of liquid stored in a tank. The mounting object member has a pair of lock portions which lock side portions of the device main body respectively and a pair of projections. The device main body has a pair of hooks. The hooks have respective claws. The hooks are formed closer to the mounting surface in a thickness direction of the device main body than a holder movable area of the device main body.
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公开(公告)号：US10712193B2
公开(公告)日：2020-07-14
申请号：US15982247
申请日：2018-05-17
申请人： Yazaki Corporation
发明人： Shinpei Kato , Shintaro Nakajima
摘要： A liquid level detecting device includes a sensor housing, a holder held rotatably by the sensor housing, a float arm fixed to the holder, a float attached to the float arm and following a surface level of liquid stored in a tank, a magnet provided in the holder, and a Hall element detecting a displacement of the magnet. The float arm is fixed to the holder so as to extend in a direction perpendicular to a rotation axis of the holder. The sensor housing has stoppers which restrict a rotation angle range of the holder to a first rotation angle by bringing a portion of the float arm, which is positioned between a tip of the float arm and the rotation axis, into contact with one of the pair of first stoppers.
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4.发明授权公开(公告)号：US10697819B2
公开(公告)日：2020-06-30
申请号：US15982314
申请日：2018-05-17
申请人： Yazaki Corporation
发明人： Shinpei Kato , Shintaro Nakajima
摘要： A liquid level detecting device includes a sensor housing, a holder, an arm fixing portion provided in the holder, a float arm, a float, a magnet provided in the holder, and a Hall element. The arm fixing portion includes a lock hole configured to receive a lock end portion of the float arm, a holding portion having a holding groove, and a retaining portion having a claw. The holding portion has a holding piece that extends parallel with a front surface of the holder and thereby forms the holding groove. The holding piece has a holding projection that projects toward the front surface of the holder so that a projection length of the holding projection increases gradually as the holding piece goes away from the lock hole.
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公开(公告)号：US10704950B2
公开(公告)日：2020-07-07
申请号：US15997008
申请日：2018-06-04
申请人： Yazaki Corporation
发明人： Ryo Hirose , Shintaro Nakajima , Shinpei Kato
摘要： A liquid level detecting device includes a sensor housing having a circular rotation recess, a circular holder which is fitted in the rotation recess and held rotatably by the sensor housing, a float arm, a float, a magnet, and a Hall element. The sensor housing has a lock groove and a pair of insertion holes. The holder has a pair of flanges which project in opposite directions from an outer circumferential surface of the holder and are engaged with the lock groove and prevented from coming off the rotation recess by setting the flanges opposed to the respective insertion holes, fitting the flanges into the rotation recess, and then rotating the flanges. The holder has a pair of support projections which come into contact with a bottom surface of the rotation recess.
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公开(公告)号：US20180348046A1
公开(公告)日：2018-12-06
申请号：US15997008
申请日：2018-06-04
申请人： Yazaki Corporation
发明人： Ryo Hirose , Shintaro Nakajima , Shinpei Kato
IPC分类号： G01F23/60
摘要： A liquid level detecting device includes a sensor housing having a circular rotation recess, a circular holder which is fitted in the rotation recess and held rotatably by the sensor housing, a float arm, a float, a magnet, and a Hall element. The sensor housing has a lock groove and a pair of insertion holes. The holder has a pair of flanges which project in opposite directions from an outer circumferential surface of the holder and are engaged with the lock groove and prevented from coming off the rotation recess by setting the flanges opposed to the respective insertion holes, fitting the flanges into the rotation recess, and then rotating the flanges. The holder has a pair of support projections which come into contact with a bottom surface of the rotation recess.
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公开(公告)号：US11536601B2
公开(公告)日：2022-12-27
申请号：US17497290
申请日：2021-10-08
申请人： Yazaki Corporation
发明人： Ryo Hirose , Shintaro Nakajima
摘要： A liquid level detector includes a frame, a float arm, a holder rotatably supported by the frame, a float arm mounting part configured to mount the float arm to the holder by elastically deforming a first part of the holder when mounting the float arm to the holder and restoring the first part when float arm is mounted to the holder, a float mounted to the float arm, and an elastic deformation preventing part configured to prevent elastic deformation of the first part of the float arm mounting part.
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公开(公告)号：US20220113179A1
公开(公告)日：2022-04-14
申请号：US17497163
申请日：2021-10-08
申请人： Yazaki Corporation
发明人： Ryo HIROSE , Shintaro Nakajima
IPC分类号： G01F23/38
摘要： A liquid-level-detector support made of metal includes a support body engaged with a thickness-direction first portion of the liquid level detector and a fixing portion provided in the support body configured to fix the liquid level detector to the support body.
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公开(公告)号：US11231312B2
公开(公告)日：2022-01-25
申请号：US16690259
申请日：2019-11-21
申请人： Yazaki Corporation
发明人： Shinpei Kato , Shinpei Ando , Ryo Hirose , Shintaro Nakajima
IPC分类号： G01F23/38
摘要： A liquid level detection device includes a magnet holder having a magnet housed inside a holder body in which a shaft recess is formed; a sensor housing having a shaft portion protruding from the housing body and rotatably supporting the magnet holder; a float arm whose one end is fixed to a magnet holder and whose another end is attached to a float; a Hall IC provided in the sensor housing and detecting a displacement of the magnet; an annular protrusion protruding around the shaft portion from a front surface of the housing body and facing a bottom surface of the holder body; and a recess formed on the bottom surface of the holder body and into which a protruding end of the protrusion is inserted.
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