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1. 发明授权

US10192664B2 Exciting device for electromagnetic connection device 有权
公开(公告)号：US10192664B2
公开(公告)日：2019-01-29
申请号：US15672183
申请日：2017-08-08
申请人： OGURA CLUTCH CO., LTD.
发明人： Motoi Kato , Yoshihiro Kurosu , Yasuyuki Iizuka , Yoshikazu Arai
IPC分类号： H01F5/04 , H01F5/02 , F16D67/06 , H01F3/00 , H01F38/00
摘要： A yoke includes an annular groove in which an exciting coil is stored, and a first through hole formed in the bottom of the annular groove. A terminal housing includes a boss portion fitted in the first through hole and a connecting concave portion located on the opposite side of the annular groove with respect to the boss portion. The boss portion includes a second through hole extending in a direction parallel to the center line of the first through hole. An external connecting terminal is buried in the terminal housing. The external includes a coil extraction hole continuing to the second through hole. The extraction end of the exciting coil is soldered to the terminal in a state in which the extraction end is passed through the second through hole and the coil extraction hole.

2. 发明授权

US11149808B2 Excitation operation brake 有权
公开(公告)号：US11149808B2
公开(公告)日：2021-10-19
申请号：US16591434
申请日：2019-10-02
申请人： OGURA CLUTCH CO., LTD.
发明人： Yasuo Kidena , Keita Nakashima , Takeshi Maeda , Motoi Kato , Yoshihiro Kurosu , Hiroyasu Onai , Kosuke Murakami
IPC分类号： F16D63/00 , H02K7/102 , F16D59/00 , H02K11/01
摘要： An excitation operation brake includes a braking shaft, an armature that rotates integrally with the braking shaft, and a field core including a disc portion facing the armature. The disc portion includes an outer magnetic shielding portion and an inner magnetic shielding portion, which make a magnetic flux flowing through the disc portion bypass to the armature a plurality of times. The outer magnetic shielding portion includes a low-magnetic resistance path having a magnetic resistance smaller than the magnetic resistance of a magnetic path that bypasses to the armature.

3. 发明申请

US20180047489A1 EXCITING DEVICE FOR ELECTROMAGNETIC CONNECTION DEVICE 审中-公开
公开(公告)号：US20180047489A1
公开(公告)日：2018-02-15
申请号：US15672183
申请日：2017-08-08
申请人： OGURA CLUTCH CO., LTD.
发明人： Motoi Kato , Yoshihiro Kurosu , Yasuyuki Iizuka , Yoshikazu Arai
IPC分类号： H01F5/02
CPC分类号： H01F5/02 , F16D13/76 , F16D27/112 , F16D67/06 , F16D2027/005 , H01F3/00 , H01F5/04 , H01F38/00
摘要： A yoke includes an annular groove in which an exciting coil is stored, and a first through hole formed in the bottom of the annular groove. A terminal housing includes a boss portion fitted in the first through hole and a connecting concave portion located on the opposite side of the annular groove with respect to the boss portion. The boss portion includes a second through hole extending in a direction parallel to the center line of the first through hole. An external connecting terminal is buried in the terminal housing. The external includes a coil extraction hole continuing to the second through hole. The extraction end of the exciting coil is soldered to the terminal in a state in which the extraction end is passed through the second through hole and the coil extraction hole.

4. 发明申请

US20160252143A1 POWER TRANSMISSION DEVICE 审中-公开
标题翻译：电力传输装置
公开(公告)号：US20160252143A1
公开(公告)日：2016-09-01
申请号：US14778537
申请日：2014-03-17
申请人： Ogura Clutch Co., Ltd.
发明人： Motoi Kato , Yoshihiro Kurosu , Takahiro Kanzawa
IPC分类号： F16D43/21 , F16D7/04 , B60H1/00 , F16H55/36
CPC分类号： F16D43/215 , B60H1/0045 , F16D7/048 , F16D9/00 , F16H55/36
摘要： A power transmission device includes a pulley (4) and a hub (11) that are arranged on the same rotation axis, and a connecting member (13) that connects these rotation bodies. The power transmission device includes a first connecting structure (14) that connects one end portion (13a) of the connecting member to the pulley so that one end portion (13a) cannot be separated, and a second connecting structure (15) that connects the other end portion (13b) of the connecting member to the hub so that the other end portion (13b) can be separated. The second connecting structure includes a columnar body (21) that extends through the other end portion (13b) of the connecting member (13) in the axial direction, a head portion (28) that is provided on the columnar body (21), a slit (22) of the connecting member (13), and a belleville spring (29) that presses the connecting member (13) against the rotation body. The other end portion (13b) of the connecting member (13) is formed to be larger than the remaining portion of the connecting member (13) when viewed from the axial direction. A recessed portion (16) that is recessed toward the outer peripheral side of the hub (11) is formed at a portion of the other end portion (13b) that is directed to the shaft center side of the hub (11). The power transmission device capable of setting with high accuracy the operation load of a torque limiter that cuts off power transmission can be provided.
摘要翻译：动力传递装置包括布置在相同旋转轴线上的滑轮（4）和轮毂（11）以及连接这些旋转体的连接构件（13）。动力传递装置包括将连接构件的一个端部（13a）与滑轮连接以使得一个端部（13a）不能分离的第一连接结构（14），以及连接结构连接构件的另一端部（13b）到轮毂，使得另一端部（13b）能够分离。第二连接结构包括沿轴向延伸穿过连接构件（13）的另一端部（13b）的柱状体（21），设置在柱状体（21）上的头部（28）连接构件（13）的狭缝（22）和将连接构件（13）压靠在旋转体上的贝尔弹簧（29）。当从轴向观察时，连接构件（13）的另一端部（13b）形成为大于连接构件（13）的剩余部分。在另一端部（13b）的朝向轮毂（11）的轴心侧的部分形成有朝向轮毂（11）的外周侧凹陷的凹部（16）。能够提供能够高精度地设定切断动力传递的转矩限制器的动作负荷的动力传递装置。

5. 发明授权

US10473167B2 Electromagnetic connecting device 有权
公开(公告)号：US10473167B2
公开(公告)日：2019-11-12
申请号：US15878364
申请日：2018-01-23
申请人： OGURA CLUTCH CO., LTD.
发明人： Motoi Kato , Yoshihiro Kurosu , Yasuyuki Iizuka , Shun Tomaru
IPC分类号： F16D27/112 , F16D13/76 , F16D27/00
摘要： An electromagnetic clutch includes a field core including a coil storage groove, and a rotor including a core storage groove. The coil storage groove is formed by an inner cylindrical portion, an outer cylindrical portion, and a bottom portion. The bottom portion of the field core wholly projects to the outside of the core storage groove. The outer peripheral surface of the inner cylindrical portion and the inner peripheral surface of the outer cylindrical portion include a first transition surface and a second transition surface, respectively, on the bottom portion side. Each of the first transition surface and the second transition surface includes a tilting surface that gradually narrows the groove width of the coil storage groove along with an increase in a distance from the side of the opening of the coil storage groove.

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