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1. 发明公开

EP2484935A4 ELECTRICALLY OPERATED LINEAR ACTUATOR AND ELECTRICALLY OPERATED DISC BRAKE DEVICE 有权
公开(公告)号：EP2484935A4
公开(公告)日：2018-04-18
申请号：EP10820336
申请日：2010-09-13
申请人： NTN TOYO BEARING CO LTD
发明人： YAMASAKI TATSUYA , EGUCHI MASAAKI
IPC分类号： F16H25/20 , F16D65/18 , F16H19/02 , F16H25/24
CPC分类号： F16H25/2252 , F16D65/18 , F16D2121/24 , F16D2125/40 , F16D2125/48
摘要： In an electric linear motion actuator, it is proposed to uniformly distribute external thrust loads to respective planetary rollers while the planetary rollers are revolving around a rotary shaft while rotating about their respective axes with a helical rib of an outer ring member in engagement with circumferential grooves of the respective planetary rollers. The planetary rollers (6) have bearing support surfaces (6b) on which thrust bearings (18) are supported, respectively. The distance from the bearing support surface (6b) of each planetary roller (6) to a predetermined reference position of each circumferential groove (6a) of the planetary roller (6) is different from the corresponding distances for the other planetary rollers (6), whereby with the planetary rollers (6) supported by the respective thrust bearings (18), the axial position of each circumferential groove (6a) coincides with the axial position of the portion of the helical rib (5a) of the outer ring member (5) that is engaged in the circumferential groove (6a).

2. 发明公开

EP2570691A4 ELECTRIC DIRECT ACTING ACTUATOR AND ELECTRIC BRAKE DEVICE 有权
公开(公告)号：EP2570691A4
公开(公告)日：2018-04-25
申请号：EP11780517
申请日：2011-04-27
申请人： NTN TOYO BEARING CO LTD
发明人： MURAMATSU MAKOTO , YAMASAKI TATSUYA , EGUCHI MASAAKI , GOTO TOMOMI
IPC分类号： F16D65/18 , F16D65/14 , F16D121/24 , F16D125/40 , F16H19/02 , F16H19/04 , F16H25/20
CPC分类号： F16D65/18 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2127/06 , F16D2129/08 , F16H25/2021 , F16H25/2252 , Y10T74/18568 , Y10T74/18576
摘要： An electric brake system is proposed which includes an electric linear motion actuator and can generate the required braking force with high accuracy. A load sensor (30) is provided in a motion converting mechanism of the actuator which converts the rotary motion of a rotary shaft (4) to which the rotation of an electric motor (2) is transmitted to linear motion of an outer ring member (5) as an output member. The load sensor (30) detects the pushing force with which the outer ring member (5) linearly drives a driven member. With this arrangement, if the driven member is a braking member of an electric brake system, it is possible to directly detect the braking force applied by the driven member and thus to accurately generate the required braking force.

3. 发明公开

EP2775170A4 ELECTRIC DIRECT-ACTING ACTUATOR 失效
标题翻译： ELEKTRISCHER AKTUATOR MIT DIREKTANTRIEB
公开(公告)号：EP2775170A4
公开(公告)日：2017-05-31
申请号：EP12845180
申请日：2012-10-31
申请人： NTN TOYO BEARING CO LTD
发明人： YAMASAKI TATSUYA , MASUDA YUI , MURAMATSU MAKOTO , EGUCHI MASAAKI , SAOYAMA YUKI
IPC分类号： F16H25/20 , B60T17/22 , F16D65/14 , F16D65/18 , F16D66/00 , H02K7/06 , H02K7/116
CPC分类号： F16H25/20 , B60T13/741 , F16D55/226 , F16D65/18 , F16D2066/003 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/50 , F16H25/2015 , F16H25/2252 , H02K7/06 , H02K11/22 , H02K29/06 , Y10T74/18576
摘要： An electric linear motion actuator capable of accurately controlling the axial position of an outer ring member is provided. The electric linear motion actuator includes: a rotary shaft (10) to be driven by an electric motor (15); a plurality of planetary rollers (11) kept in rolling contact with the cylindrical surface formed on the outer periphery of the rotary shaft (10); a carrier (13) which retains the plurality of planetary rollers (11) such that the planetary rollers (11) are rotatable about axes of the respective planetary rollers (11) while revolving around the rotary shaft (10), and of which the axial movement is restricted; and an outer ring member (12) surrounding the plurality of planetary rollers (11) and supported so as to be slidable in the axial direction. Helical ribs (22) are formed on the inner periphery of the outer ring member (12); and circumferential grooves (23) are formed on the outer periphery of each planetary roller (11) so as to be engaged with the helical ribs (22). The rotation of the rotary shaft (10) is thus converted to the linear motion of the outer ring member (12). A revolution sensor (33) is provided which detects the rotation angle of the carrier (13).
摘要翻译：提供了一种能够精确地控制外环构件的轴向位置的电动直线致动致动器。该电动式直动致动器包括：由电动机（15）驱动的旋转轴（10）多个行星辊（11），与形成在旋转轴（10）的外周上的圆柱面保持滚动接触; 保持多个行星辊11的行星架13，该行星轮11能够一边绕着旋转轴10旋转一边绕各行星辊11的轴线旋转，运动受到限制; 以及围绕所述多个行星辊（11）且被支承为能够沿轴向滑动的外圈部件（12）。在外环件（12）的内圆周上形成螺旋肋（22）; 在各行星辊11的外周形成与螺旋肋22啮合的周向槽23。旋转轴（10）的旋转因此被转换成外环构件（12）的线性运动。提供检测载体（13）的旋转角度的旋转传感器（33）。

4. 发明公开

EP2746122A4 ELECTRIC BRAKE DEVICE 有权
标题翻译： ELEKTRISCHE BREMSVORRICHTUNG
公开(公告)号：EP2746122A4
公开(公告)日：2016-04-27
申请号：EP12824172
申请日：2012-08-07
申请人： NTN TOYO BEARING CO LTD
发明人： MURAMATSU MAKOTO , SAOYAMA YUUKI , YAMASAKI TATSUYA , EGUCHI MASAAKI , MASUDA YUI
IPC分类号： B60T8/00 , B60T17/22 , F16D65/14 , F16D65/18 , F16D66/00
CPC分类号： B60T17/221 , B60T13/741 , B60T13/746 , B60T17/00 , F16D55/225 , F16D55/227 , F16D65/18 , F16D66/00 , F16D2066/001 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/50 , F16D2127/06
摘要： To provide an electric brake device in an automotive vehicle, which a freezing that takes place while the automotive vehicle is parked can be assuredly avoided with a simplified mechanism. The electric brake device includes an electric motor (2), a braking force application mechanism (4), a lock mechanism (5), a temperature sensor (6) for measuring an ambient temperature of the automotive vehicle, and a freezing preventive power supply unit (7). The freezing preventive power supply unit (7) initiates the supply of an electric power to the electric motor (2) or a drive source (30) of the lock mechanism (5) in the event that while the braking force application mechanism (4) applies a braking force and the lock mechanism (5) is held in a locked condition the temperature sensor (6) detects a preset temperature of the electric brake device immediately before freezing.
摘要翻译：为了提供一种机动车辆中的电动制动装置，可以通过简化的机构确保避免在机动车辆停放时发生的冻结。电动制动装置包括电动机（2），制动力施加机构（4），锁定机构（5），用于测量机动车辆的环境温度的温度传感器（6）和防冻电源单位（7）。在制动力施加机构（4）的情况下，防冻电源单元（7）开始向电动机（2）或者锁定机构（5）的驱动源（30）供给电力，施加制动力，并且锁定机构（5）保持在锁定状态，温度传感器（6）在冻结之前立即检测到电动制动装置的预设温度。

5. 发明公开

EP2667052A4 ELECTRIC LINEAR ACTUATOR AND ELECTRIC DISC BRAKE DEVICE 有权
公开(公告)号：EP2667052A4
公开(公告)日：2018-04-25
申请号：EP12736314
申请日：2012-01-12
申请人： NTN TOYO BEARING CO LTD
发明人： EGUCHI MASAAKI , MURAMATSU MAKOTO , YAMASAKI TATSUYA , YASUI MAKOTO
IPC分类号： F16H25/20 , F16C19/30 , F16C23/08 , F16D65/14 , F16D65/18
CPC分类号： F16H25/12 , F16C19/305 , F16C23/084 , F16C2361/45 , F16D55/226 , F16D65/18 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/587 , F16H25/2252 , F16H25/2266 , Y10T74/18576
摘要： A linear motion actuator includes a housing (1), an outer ring member (5) axially movably mounted in the housing, and a rotary shaft (10) extending along the axis of the outer ring member (5) and rotated by an electric motor (11). Planetary rollers (21) are rotatably supported by a carrier (14) supported by the rotary shaft (10) so as to be rotatable about the rotary shaft. A helical rib (6) is formed on the radially inner surface of the outer ring member (5) which is engaged in helical grooves (23) formed in the radially outer surfaces of the respective planetary rollers (21), whereby when the rotary shaft (10) rotates, the planetary rollers (21) rotate about their own axes while revolving around the rotary shaft due to frictional contact with the rotary shaft, thereby linearly moving the outer ring member (5) in the axial direction. Axial loads applied to the planetary rollers (21) from the outer ring member (5) at this time are supported by thrust bearings (24) disposed between the respective planetary rollers (21) and an inner disk (14a) of the carrier (14). Aligning seats (27) are provided between each opposed pair of the planetary rollers (21) and the thrust bearings (24) such that the contact surfaces of the aligning seats (27) shift relative to each other when uneven loads are applied to the planetary rollers, thereby making uniform the surface pressure distribution of the thrust bearings (24) in the circumferential direction.

6. 发明公开

EP2538525A4 ELECTROMOTIVE LINEAR ACTUATOR AND ELECTROMOTIVE DISC BRAKE 有权
公开(公告)号：EP2538525A4
公开(公告)日：2018-03-21
申请号：EP11744599
申请日：2011-02-14
申请人： NTN TOYO BEARING CO LTD
发明人： YAMASAKI TATSUYA , EGUCHI MASAAKI
IPC分类号： H02K7/06 , F16D65/18 , F16H19/02 , F16H25/20 , F16H25/24 , H02K7/102
CPC分类号： H02K7/06 , F16D65/18 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/50 , F16H25/2252 , Y10T74/18656
摘要： A linear motion actuator is provided of which the output member can be smoothly moved linearly even when lateral moment acts on the output member. A carrier (6) supporting planetary rollers (7) is axially immovable, while an outer ring member (5), as the output member, is axially slidably fitted in the radially inner surface of a cylindrical portion (1a) of a housing (1), and is rotationally fixed to a driven member through keys (22). Hard plating layers are formed on the radially outer surface of a rotary shaft (4), the radially outer surfaces of the planetary rollers (7), including helical grooves (7a), and the surface of a helical rib member (5b) which is fixed to the radially inner surface of the outer ring member (5) forming a helical rib.

7. 发明公开

EP3222881A4 ELECTRIC LINEAR ACTUATOR AND ELECTRIC BRAKE DEVICE 有权
公开(公告)号：EP3222881A4
公开(公告)日：2017-12-20
申请号：EP15861411
申请日：2015-11-04
申请人： NTN TOYO BEARING CO LTD
发明人： YAMASAKI TATSUYA , EGUCHI MASAAKI
IPC分类号： F16H25/20 , B60T13/74 , F16D55/226 , F16D65/18 , F16D121/24 , F16D125/40 , F16D125/48 , F16D125/50 , F16H19/02 , F16H25/22 , H02K7/06
CPC分类号： F16D65/18 , B60T13/741 , F16D55/226 , F16D65/183 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/50 , F16H19/02 , F16H19/025 , F16H25/20 , F16H25/2252 , F16H2025/2081 , H02K7/06
摘要： An electric linear motion actuator is provided which includes an outer ring member (21), a rotary shaft (34), planetary rollers (49), and a carrier (40) including a disk (41a), and in which the outer ring member (21) is formed on its inner diameter surface with a helical rib (51), and each of the planetary rollers (49) is formed in its outer diameter surface with circumferential grooves (52) in which the helical rib (51) is engaged. When the rotary shaft (34) rotates, due to the frictional contact of the planetary rollers (49) with the rotary shaft (34), the planetary rollers (49) rotate about their axes while revolving around the rotary shaft (34) so that the outer ring member (21) axially linearly moves. The electric linear motion actuator further includes thrust roller and retainer assemblies (53) each mounted between one of the planetary roller (49) and the surface of the disk (41a) of the carrier (40) that is opposed to the one of the planetary rollers, and each guided by a raceway (49a), i.e., an end surface of the corresponding planetary roller (49). The electric linear motion actuator further includes a common raceway disk (57) common to all of the thrust roller and retainer assemblies (53), the common raceway disk being mounted between the thrust roller and retainer assemblies (53) and the surface of the disk of the carrier that is opposed to the thrust roller and retainer assemblies. Therefore, the number of components constituting such a thrust roller bearing can be reduced, and the carrier (40) can be easily assembled.

8. 发明公开

EP2772659A4 ELECTRIC DIRECT-ACTING ACTUATOR AND ELECTRIC BRAKE APPARATUS 失效
标题翻译：电动执行器直接影响，电动制动装置
公开(公告)号：EP2772659A4
公开(公告)日：2015-07-22
申请号：EP12842825
申请日：2012-10-23
申请人： NTN TOYO BEARING CO LTD
发明人： YAMASAKI TATSUYA , MASUDA YUI , MURAMATSU MAKOTO , EGUCHI MASAAKI , SAOYAMA YUKI
IPC分类号： F16D65/18
CPC分类号： F16H25/2252 , F16D55/00 , F16D65/14 , F16D65/18 , F16D65/62 , F16D65/68 , F16D2066/003 , F16D2066/005 , F16D2121/24 , F16D2125/36 , F16D2125/40 , F16D2125/48 , F16H25/2021 , F16H25/2204
摘要： An electric linear motion actuator is provided which can set the clearance during normal braking operation of an electric brake system. The linear motion actuator includes a load sensor (14) for detecting the magnitude of the load with which a friction pad (7) is pressed against the brake disk (2), a temperature sensor (37) for compensating for the influence of temperature on the load sensor (4), and an electronic control unit (50). The electronic control unit (50) is adapted to calculate a target rotational angle (¸) from the position of the electric motor (15) corresponding to the magnitude of the load detected by the load sensor (4) to the position of the electric motor (15) where the clearance is at a predetermined value, and control the electric motor (15) to rotate the electric motor (15) by the target rotational angle (¸).

9. 发明公开

EP2615323A4 ELECTRIC DIRECT-ACTING ACTUATOR AND ELECTRIC DISC BRAKE DEVICE 失效
标题翻译：电动执行器直接驱动电动制动装置
公开(公告)号：EP2615323A4
公开(公告)日：2015-04-22
申请号：EP11823456
申请日：2011-08-31
申请人： NTN TOYO BEARING CO LTD
发明人： YASUI MAKOTO , MURAMATSU MAKOTO , EGUCHI MASAAKI , YAMASAKI TATSUYA , GOTO TOMOMI
IPC分类号： F16D65/14 , F16D65/18 , F16D121/24 , F16D125/40 , F16D125/48 , F16H25/22
CPC分类号： F16D65/18 , F16D55/225 , F16D55/226 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/50 , F16D2127/007 , F16H25/2252 , Y10T74/18576

10. 发明公开

EP2253866A4 ELECTRICALLY OPERATED LINEAR ACTUATOR AND ELECTRICALLY OPERATED BRAKING SYSTEM 有权
标题翻译：电动OPERATED线性和电动操作的制动系统
公开(公告)号：EP2253866A4
公开(公告)日：2012-11-21
申请号：EP09711792
申请日：2009-02-17
申请人： NTN TOYO BEARING CO LTD
发明人： YAMASAKI TATSUYA , EGUCHI MASAAKI , YAMAGUCHI KATSUHISA , MAKINO TOMOAKI
IPC分类号： F16H19/02 , F16D65/18 , F16D65/28 , F16H25/20 , F16H25/22
CPC分类号： F16H25/2252 , F16D65/18 , F16D2121/24 , F16D2125/40 , F16D2125/48 , F16D2125/50

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