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公开(公告)号：US20200300344A1
公开(公告)日：2020-09-24
申请号：US16084026
申请日：2017-03-24
申请人： NTN CORPORATION
发明人： Takushi MATSUTO , Shinsuke HIRANO , Atsushi IKEDA , Tomomi ISHIKAWA , Yoshinori IKEDA , Tatsuji INOUE
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 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 lock mechanism part (7) configured to prevent the drive by the motion conversion mechanism part (3), wherein the transmission gear mechanism (28) includes a first gear (30) arranged on the drive part (2) side and a second gear (31) arranged on the motion conversion mechanism part (3) side, and wherein the lock mechanism part (7) is arranged on an opposite side of the drive part (2) with respect to the first gear (30), and on the motion conversion mechanism part (3) side with respect to a rotation center line of the first gear (30).
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公开(公告)号：US20190107184A1
公开(公告)日：2019-04-11
申请号：US16089786
申请日：2017-03-24
申请人： NTN CORPORATION
IPC分类号： F16H25/20 , F16H25/24 , F16H25/22 , F16H57/02 , F16D3/84 , G01D5/14 , H02K11/22 , H02K11/215 , H02K5/10 , H02K7/06
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).
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公开(公告)号：US20190217696A1
公开(公告)日：2019-07-18
申请号：US16358842
申请日：2019-03-20
申请人： NTN CORPORATION
CPC分类号： B60K7/0007 , B60K6/26 , B60K6/28 , B60K6/40 , B60K6/445 , B60K6/48 , B60K6/52 , B60K6/54 , B60K7/00 , B60K2007/0038 , B60K2007/0092 , B60L1/00 , B60L7/14 , B60L9/18 , B60L15/20 , B60L50/50 , B60R16/03 , Y02T10/6221 , Y02T10/6265 , Y02T10/7005 , Y02T10/7077 , Y02T10/7275
摘要： A vehicle power assist system can be applied to a vehicle with a driven wheel (4) that is mechanically unconnected to a main drive source (5) such as an internal combustion engine. The driven wheel (4) is supported by a wheel support bearing assembly (31) to which a drive assist, motor generator (8) is mounted. A rotor of the motor generator (8) is directly fixed to a rotational ring of the wheel support bearing assembly (31) without interposition of a speed reducing mechanism or a speed increasing mechanism. The vehicle power assist system includes a power storage unit (19) configured to store a regenerative power generated by the motor generator (8) and to supply the stored power to the motor generator (8).
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公开(公告)号：US20160280259A1
公开(公告)日：2016-09-29
申请号：US15034665
申请日：2014-11-05
申请人： NTN CORPORATION
发明人： Tomomi ISHIKAWA , Kazuyuki INOKUCHI
CPC分类号： B62D7/1509 , B60K7/00 , B60K2007/0092 , B60L1/003 , B60L11/1805 , B60L2220/44 , B60L2220/50 , B60L2240/12 , B60L2240/24 , B62D3/12 , B62D3/126 , B62D7/09 , F16H19/04 , Y02T10/641 , Y02T10/7005
摘要： A vehicle is provided of which the four wheels are steerable, and which is prevented from unexpectedly moving forward or backward when switching the travel mode. The vehicle includes a steering device for front right and front left wheels of the vehicle capable of steering the front right and front left wheels, respectively, in one and the other of the right and left directions, a steering device for rear right and rear left wheels of the vehicle configured, simultaneously when the steering device for the front right and front left wheels are actuated, to be capable of steering the rear right and rear left wheels in the other and the one of the right and left directions, respectively, and in-wheel motors provided in at least one of each of the front right and front left wheels and each of the rear right and rear left wheels.
摘要翻译： 提供一种车辆，其中四个车轮是可转向的，并且当切换行驶模式时，防止其意外地向前或向后移动。 该车辆包括用于前后左右车轮的转向装置，该转向装置能够分别在左右一个方向上的一个和另一个方向上转向前右前轮和左前轮;转向装置，用于右后和左后 车辆的车轮被构造成同时当前右前轮和左前轮的转向装置被致动时，能够分别在另一方和右方向上的右后轮和左后轮之间转向，并且 设置在前右前轮和左前轮中的每一个中的至少一个以及后左后轮和左后轮中的每一个中的轮内电动机。
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公开(公告)号：US20160167698A1
公开(公告)日：2016-06-16
申请号：US14908786
申请日：2014-07-15
申请人： NTN CORPORATION
发明人： Hirokazu OOBA , Tomomi ISHIKAWA , Taisuke IGI , Yuya YAMAGUCHI
CPC分类号： B62D3/126 , B60K7/0007 , B60K17/046 , B60K17/30 , B60K2007/0038 , B60K2007/0092 , B62D5/0421 , B62D7/14 , B62D7/1509 , B62D7/18
摘要： A steering device including tie rods connected to right and left wheels, and configured to steer the wheels, and rack bars connected to the respective tie rods, and, is capable of simultaneously steering the right and left wheels to the right or left of the vehicle, by moving the rack bars to the right or left. A rack bar moving arrangement is provided which is capable of moving the rack bars in opposite directions by the same distance, and rack teeth are arranged along the opposite directions. The rack bar moving arrangement includes a synchronizing gear in mesh with the rack bars, and configured to convert the movement of one of the rack bars in one of the opposite directions to the movement of the other rack bars in the other opposite directions, thereby steering the wheels in opposite directions.
摘要翻译： 一种转向装置，包括连接到右车轮和左车轮的连杆，并且构造成转向车轮，并且连接到相应的拉杆的齿条，并且能够同时将左右车轮转向车辆的右侧或左侧 通过将支架杆移动到右侧或左侧。 提供了一种能够沿相反方向将搁架杆移动相同距离的齿条移动装置，并且齿条齿沿相反方向布置。 齿条移动装置包括与齿杆啮合的同步齿轮，并被构造成将一个齿条的一个相反方向的运动转换成另一个齿条在另一相反方向上的运动，从而转向 车轮相反方向。
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公开(公告)号：US20190093750A1
公开(公告)日：2019-03-28
申请号：US16082966
申请日：2017-03-22
申请人： NTN CORPORATION
IPC分类号： F16H57/025 , H02K7/06 , H02K7/116 , F16H57/02 , F16H25/22 , F16H25/24 , F16H57/021
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), 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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公开(公告)号：US20190092399A1
公开(公告)日：2019-03-28
申请号：US16082963
申请日：2017-03-22
申请人： NTN CORPORATION
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).
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公开(公告)号：US20190078671A1
公开(公告)日：2019-03-14
申请号：US16085078
申请日：2017-03-24
申请人： NTN CORPORATION
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).
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公开(公告)号：US20200292039A1
公开(公告)日：2020-09-17
申请号：US16084031
申请日：2017-03-24
申请人： NTN CORPORATION
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.
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公开(公告)号：US20160236710A1
公开(公告)日：2016-08-18
申请号：US15024518
申请日：2014-09-22
申请人： NTN CORPORATION
发明人： Hirokazu OHBA , Tomomi ISHIKAWA , Taisuke IGI , Yuya YAMAGUCHI
CPC分类号： B62D7/1509 , B60K7/0007 , B60K17/046 , B60K2007/0092 , B62D3/12 , F16H19/04
摘要： A steering device is provided which allows the vehicle to move laterally and turn with a small radius, without using a complicated mechanism, and capable of stably controlling the steering angle during such modes. The steering device includes a pair of rack bars connected, respectively, to front right and front left vehicle wheels or rear right and rear left vehicle wheels, synchronizing gears disposed between the pair of rack bars, a synchronizing gear box retaining the synchronizing gears, a rack case fixed to the frame of the vehicle, and a fixing mechanism for fixing the synchronizing gear box to the rack case.
摘要翻译： 提供了一种转向装置，其允许车辆横向移动并以小的半径转动，而不使用复杂的机构，并且能够在这种模式期间稳定地控制转向角。 转向装置包括一对齿条，分别连接到前右前和左前车轮或后左后车轮和后左车轮;配置在一对齿条之间的同步齿轮，保持同步齿轮的同步齿轮箱， 固定在车辆框架上的机架壳体，以及用于将同步齿轮箱固定到机架壳体的固定机构。
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