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1. 发明授权

EP2915682B1 BEARING DEVICE FOR WHEEL 有权
公开(公告)号：EP2915682B1
公开(公告)日：2019-04-03
申请号：EP13850495.6
申请日：2013-10-31
申请人： NTN Corporation
发明人： HIRANO, Shinsuke , SEKI, Makoto
IPC分类号： B60B35/14 , F16C19/18 , F16C33/62 , F16C33/64 , F16C35/073 , F16D1/06 , F16D1/10

2. 发明公开

EP3438504A1 ELECTRIC ACTUATOR 有权
公开(公告)号：EP3438504A1
公开(公告)日：2019-02-06
申请号：EP17774576.7
申请日：2017-03-22
申请人： NTN Corporation
发明人： MATSUTO, Takushi , HIRANO, Shinsuke , IKEDA, Atsushi , ISHIKAWA, Tomomi
IPC分类号： F16H25/20 , F16H25/22 , H02K7/06
摘要： An electric actuator includes: a drive part (2); a motion conversion mechanism part (3) configured to convert a rotary motion from the drive part (2) to a linear motion in an axial direction parallel with an output shaft (10a) of the drive part (2); a driving force transmission part (4) including a transmission gear mechanism (28) configured to transmit a driving force from the drive part (2) to the motion conversion mechanism part (3); and a motion-conversion-mechanism support part (5) including a double-row bearing (40) configured to support the motion conversion mechanism part (3), wherein the double-row bearing (40) is arranged on one side in the axial direction with respect to the transmission gear mechanism (28).

3. 发明公开

EP2915682A1 BEARING DEVICE FOR WHEEL 有权
标题翻译：车轮用轴承装置
公开(公告)号：EP2915682A1
公开(公告)日：2015-09-09
申请号：EP13850495.6
申请日：2013-10-31
申请人： NTN Corporation
发明人： HIRANO, Shinsuke , SEKI, Makoto
IPC分类号： B60B35/14 , F16C19/18 , F16C33/62 , F16C33/64 , F16C35/073 , F16D1/06
CPC分类号： B60B27/0005 , B60B27/0031 , B60B27/0036 , B60B27/0084 , B60B27/0094 , B60B2380/12 , B60B2380/73 , F16C19/08 , F16C19/186 , F16C33/586 , F16C35/063 , F16C2326/02 , F16D1/076 , F16D3/223 , F16D2003/22326 , F16D2250/0023 , F16D2250/0053
摘要： An object of the present invention is to provide a wheel bearing apparatus which can prevent generation of cracks during the face spline forming process. The present invention provides a wheel bearing apparatus in which a double row rolling bearing and a constant velocity universal joint are detachably united, the double row rolling bearing comprising an outer member formed on its outer circumference with a body mounting flange to be mounted on a body of a vehicle and its inner circumference with double row outer raceway surfaces; an inner member including a hub wheel and at least one inner ring, the hub wheel being integrally formed with a wheel mounting flange on its one end and an axially extending cylindrical portion and the inner ring being press-fitted onto the cylindrical portion of the hub wheel, the inner member being formed with double row inner raceway surfaces to be oppositely arranged to the double row outer raceway surfaces; and double row rolling elements rollably disposed between the double row outer raceway surfaces of the outer member and the double row inner raceway surfaces of the inner member; the inner ring being axially immovably secured by a caulked portion formed by plastically deforming the end of the cylindrical portion radially outward; the constant velocity universal joint having an outer joint member including a cup-shaped mouth portion, a shoulder portion forming a bottom of the mouth portion, and a shaft portion axially extending from the shoulder portion and formed on its inner circumference with female thread all of which are integrally formed; and end faces of the shoulder portion of the outer joint member and the caulked portion being formed with face splines respectively to join the double row rolling bearing and the constant velocity universal joint in a torque transmittable manner characterized in that the face spline of the caulked portion has a portion in which a tooth height of the tooth space of a portion radially outer than the pitch circle diameter is set lower than that of other portions.
摘要翻译：本发明的目的在于提供一种车轮用轴承装置，其能够防止在面花键成形工序中产生裂纹。本发明提供一种车轮用轴承装置，其中双列滚动轴承和等速万向接头可拆卸地结合在一起，该双列滚动轴承包括在其外周形成有安装在车身上的车身安装凸缘的外部构件车辆及其内圆周有双列外滚道表面; 内部构件，其包括毂轮和至少一个内圈，所述毂轮在其一端上与车轮安装凸缘一体地形成，并且轴向延伸的圆柱形部分和所述内环被压配合到所述毂的所述圆柱形部分上所述内部构件形成有双列内滚道表面，以与所述双列外滚道表面相对布置; 以及可滚动地设置在外构件的双排外滚道表面和内构件的双排内滚道表面之间的双排滚动元件; 所述内环由通过使所述圆柱形部分的所述端部径向向外塑性变形而形成的敛缝部分轴向不可移动地固定; 所述等速万向接头具有外侧接头部件，该外侧接头部件具有杯状的口部，形成该口部的底部的肩部，以及从该肩部沿轴向延伸且在内周形成有阴螺纹的轴部，它们一体形成; 所述外侧接头构件的肩部和所述铆接部的端面分别形成有面花键，以能够传递扭矩的方式将所述双列滚动轴承和所述等速万向接头接合，其特征在于，所述铆接部的所述花键面具有将比节圆直径更靠径向外侧的部分的齿高的齿高设定得比其他部分低的部分。

4. 发明公开

EP3760898A1 SCREW SHAFT, FEED SCREW MECHANISM, AND ELECTRIC ACTUATOR 有权
公开(公告)号：EP3760898A1
公开(公告)日：2021-01-06
申请号：EP19761296.3
申请日：2019-02-26
申请人： NTN Corporation
发明人： IKEDA, Yoshinori , SHIMIZU, Tatsunori , HIRANO, Shinsuke
IPC分类号： F16H25/24 , F16H25/20 , F16H25/22 , H02K7/06 , H02K7/116
摘要： A screw shaft 22 constitutes a feed screw mechanism provided in an electric actuator. In the screw shaft 22 on which a mounting surface 22c for mounting a sensor target is formed, a portion where the mounting surface 22c is formed has a non-circular, line-symmetric cross section.

5. 发明公开

EP3745566A1 ELECTRIC ACTUATOR 有权
公开(公告)号：EP3745566A1
公开(公告)日：2020-12-02
申请号：EP20184714.2
申请日：2017-03-24
申请人： NTN Corporation
发明人： MATSUTO, Takushi , HIRANO, Shinsuke , IKEDA, Atsushi , ISHIKAWA, Tomomi
IPC分类号： H02K7/06 , F16H25/20 , F16H25/24 , G01B7/00 , H02K11/215 , G01D5/12
摘要： Provided is an electric actuator (1), including: a motor (10) ; a motor case (11) configured to accommodates the motor (10); and a motion conversion mechanism (22) configured to convert a rotary motion generated through drive by the motor (10) into a linear motion in a direction parallel to an output shaft (10a) of the motor (10) . The motion conversion mechanism (22) includes a movable part (22, which is arranged in parallel with the output shaft (10a) and is configured to perform the linear motion. The movable part (22) and the motor (10) overlap one another in a radial direction of the motor (10). A sensor target (73) is arranged in the moveable part 22, and a non-contact sensor (70) configured to detect a position of the sensor target (73) in a linear motion direction in a non-contact manner is arranged in the motor case (11).

6. 发明公开

EP3438506A1 SENSOR TARGET, MOVABLE PART UNIT PROVIDED WITH SAID TARGET, AND ELECTRIC ACTUATOR 有权
公开(公告)号：EP3438506A1
公开(公告)日：2019-02-06
申请号：EP17774830.8
申请日：2017-03-24
申请人： NTN Corporation
发明人： MATSUTO, Takushi , HIRANO, Shinsuke , IKEDA, Atsushi , ISHIKAWA, Tomomi
IPC分类号： F16H25/20 , F16H25/24 , G01D5/12 , G01D5/245 , H02K7/06
摘要： A sensor target of the present invention is mounted to a movable part (24), which is arranged in parallel with an output shaft (10a) of a motor (10), and is configured to perform a linear motion in a direction parallel to the output shaft (10a). The sensor target includes a magnet (73) and a magnet holder (74) configured to hold the magnet (73). One pair or a plurality of pairs of fitting claws (741) capable of being fitted to an outer peripheral surface of the movable part (24) are formed on the magnet holder (74).

7. 发明公开

EP3438505A1 ELECTRIC ACTUATOR 无效
公开(公告)号：EP3438505A1
公开(公告)日：2019-02-06
申请号：EP17774828.2
申请日：2017-03-24
申请人： NTN Corporation
发明人： MATSUTO, Takushi , HIRANO, Shinsuke , IKEDA, Atsushi , ISHIKAWA, Tomomi , IKEDA, Yoshinori
IPC分类号： F16H25/20 , F16H25/22 , H02K7/06 , H02K7/116
摘要： Provided is an electric actuator, including: a drive part (2) ; a motion conversion mechanism part (3) configured to convert a rotary motion from the drive part (2) into a linear motion in an axial direction in parallel to an output shaft of the drive part (2); and a lock mechanism part (7) configured to prevent drive by the motion conversion mechanism part (3). The lock mechanism part (7) includes: a rotary motor (64); and a lock member (60), which is driven by the rotary motor (64) so as to be brought into at least any one of a locking state of preventing the drive by the motion conversion mechanism part (3) and an unlocking state of releasing the locking state.

8. 发明公开

EP3439151A1 ELECTRIC ACTUATOR 有权
公开(公告)号：EP3439151A1
公开(公告)日：2019-02-06
申请号：EP17774829.0
申请日：2017-03-24
申请人： NTN Corporation
发明人： MATSUTO, Takushi , HIRANO, Shinsuke , IKEDA, Atsushi , ISHIKAWA, Tomomi
IPC分类号： H02K7/06 , F16H25/20 , F16H25/24 , G01B7/00
摘要： Provided is an electric actuator (1), including: a motor (10); a motor case (11) configured to accommodates the motor (10); and a motion conversion mechanism (22) configured to convert a rotary motion generated through drive by the motor (10) into a linear motion in a direction parallel to an output shaft (10a) of the motor (10). The motion conversion mechanism (22) includes a movable part (22, which is arranged in parallel with the output shaft (10a) and is configured to perform the linear motion. The movable part (22) and the motor (10) overlap one another in a radial direction of the motor (10). A sensor target (73) is arranged in the moveable part 22, and a non-contact sensor (70) configured to detect a position of the sensor target (73) in a linear motion direction in a non-contact manner is arranged in the motor case (11).

9. 发明公开

EP3439149A1 ELECTRIC ACTUATOR 审中-公开
公开(公告)号：EP3439149A1
公开(公告)日：2019-02-06
申请号：EP17774581.7
申请日：2017-03-22
申请人： NTN Corporation
发明人： MATSUTO ,Takushi , HIRANO, Shinsuke , IKEDA, Atsushi , ISHIKAWA, Tomomi
IPC分类号： H02K7/06 , F16H25/20 , F16H25/22 , H02K7/116 , F16D65/14 , F16D125/40 , F16D127/02 , F16D127/06 , F16D129/10
摘要： Provided is an electric actuator, including: a drive part (2) ; a motion conversion mechanism part (3) configured to convert a rotary motion from the drive part (2) into a linear motion in an axial direction parallel with an output shaft of the drive part (2); a driving force transmission part (4) configured to transmit a driving force from the drive part (2) to the motion conversion mechanism part (3); and a motion-conversion-mechanism support part (5) configured to support the motion conversion mechanism part (3), wherein the drive part (2) includes a driving motor (10) and a motor case (11) configured to accommodate the driving motor (10), wherein the driving force transmission part (4) includes a transmission gear mechanism (28) configured to transmit the driving force from the drive part (2) to the motion conversion mechanism part (3), and a transmission gear case (29) configured to accommodate the transmission gear mechanism (28), wherein the motion-conversion-mechanism support part (5) includes a support bearing (40) configured to support the motion conversion mechanism part (3), and a bearing case (41) configured to accommodate the support bearing (40), and wherein the drive part (2) and the motion-conversion-mechanism support part (5) are capable of being coupled to and decoupled from the driving force transmission part (4) .

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