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公开(公告)号：US20190293055A1
公开(公告)日：2019-09-26
申请号：US16464091
申请日：2017-11-30
申请人： NABTESCO CORPORATION
发明人： Osamu NOHARA , Shigeru HOSODA , Kei KATO , Haruna OSAKO
摘要： Damage to a driving device or a ring gear or both due to an excessive force at a meshing portion therebetween is effectively prevented.In the embodiment described above, a driving device includes a driving device body that is provided in one structure at a movable section of a wind turbine and has a drive gear meshing with a ring gear provided in the other structure at the movable section, and an abnormality detection unit that monitors a force generated between the ring gear and the drive gear or the state of the driving device body or monitors both of the face and the state. Output from the drive gear of the driving device body to the ring gear is stopped when the abnormality detection unit detected an abnormality.
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公开(公告)号：US20240240612A1
公开(公告)日：2024-07-18
申请号：US18404384
申请日：2024-01-04
申请人： Nabtesco Corporation
发明人： Osamu NOHARA , Hirofumi KOMORI
IPC分类号： F03D7/02
CPC分类号： F03D7/0244 , F05B2270/331
摘要： A braking force measuring method for a wind turbine is provided. The wind turbine includes a ring gear, a yaw drive device driving a pinion meshing with the ring gear to make the wind turbine turn, and a brake device that prevents the nacelle from turning in the yaw direction by pressing a friction body against the ring gear. The method includes: braking the ring gear by the brake device; measuring a load on a rotating shaft of the pinion that mesh with the braked ring gear; determining a maximum value of the load during a time period when input torque is applied to the pinion, the input torque being applied with the nacelle held still and until the friction body begins to slip and the nacelle begins to turn in the yaw direction; and converting the determined load to the braking force.
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公开(公告)号：US20230243335A1
公开(公告)日：2023-08-03
申请号：US18174296
申请日：2023-02-24
申请人： Nabtesco Corporation
发明人： Osamu NOHARA
IPC分类号： F03D7/02
CPC分类号： F03D7/0244 , F03D7/0212 , F03D7/0224
摘要： A wind turbine drive control device according to one aspect of the present invention is a wind turbine drive control device for controlling at least one drive device for moving two structures included in a wind power generation device relative to each other, the wind turbine drive control device including: an obtaining unit for obtaining information related to a load occurring between the at least one drive device and one of the two structures that receives a force generated by the at least one drive device; and a control unit for controlling the at least one drive device so as to cause a force generated by the at least one drive device to be reduced or zero based on the information related to the load obtained by the obtaining unit during a stop period in which the two structures are stopped relative to each other.
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公开(公告)号：US20190390651A1
公开(公告)日：2019-12-26
申请号：US16464126
申请日：2017-12-05
申请人： NABTESCO CORPORATION
发明人： Osamu NOHARA , Shigeru HOSODA , Yuichi ASAKAWA
摘要： One object is to promptly and accurately sense an abnormal state of a wind turbine driving device. The wind turbine driving device includes a driving device body and a sensor. The driving device body is installed in one structure at a movable section of a wind turbine. The driving device body includes a meshing portion meshing with a ring gear installed in the other structure at the movable section of the wind turbine. The sensor measures a change in installation state of the driving device body with respect to the one structure.
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公开(公告)号：US20150377219A1
公开(公告)日：2015-12-31
申请号：US14742155
申请日：2015-06-17
申请人： NABTESCO CORPORATION
发明人： Osamu NOHARA
CPC分类号： F03D15/10 , F03D1/06 , F03D13/20 , F03D15/00 , F03D80/70 , F03D80/88 , F05B2260/4031 , F16H25/02 , Y02E10/721 , Y02E10/722 , Y02E10/726
摘要： A rotation driving mechanism for windmill (1) includes an annular track part (2), a rotation driving part (11), and a plurality of swinging parts (15). The annular track part (2) is disposed on one of a base-side structure and a rotation-side structure, and has a circumferential wall part (4) and first teeth (7). The rotation driving part (11) is fixed on the other of the base-side structure and the rotation-side structure. Each swinging part (15) has a swinging part body (16a) and second teeth (16b). When a rotating shaft (13) of the rotation driving part (11) is rotated so that the swinging parts (15) are swung with maintaining a predetermined phase difference thereamong, the swinging parts (15) are relatively moved with respect to the annular track part (2).
摘要翻译： 风车（1）的旋转驱动机构包括环形轨道部（2），旋转驱动部（11）和多个摆动部（15）。 环形轨道部分（2）设置在基部侧结构和旋转侧结构中的一个上，并且具有圆周壁部（4）和第一齿（7）。 旋转驱动部（11）固定在基部侧结构和旋转侧结构的另一方。 每个摆动部分（15）具有摆动部分主体（16a）和第二齿（16b）。 当旋转驱动部（11）的旋转轴（13）旋转使得摆动部（15）在保持预定的相位差的同时摆动时，摆动部（15）相对于环形轨迹相对移动 第2部分）。
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公开(公告)号：US20220268257A1
公开(公告)日：2022-08-25
申请号：US17675695
申请日：2022-02-18
申请人： Nabtesco Corporation
发明人： Osamu NOHARA
摘要： A wind turbine system includes: a ring gear; a yaw drive unit including a pinion gear meshing with the ring gear, the yaw drive unit being configured to rotate the pinion gear; a yaw brake unit configured to generate a braking force for inhibiting rotation of the ring gear; a load information acquiring unit configured to acquire an external load applied to the ring gear; and a control unit configured to release the braking force of the yaw brake unit when a rotational torque generated on the ring gear by the yaw drive unit has been larger than the external load acquired by the load information acquiring unit, in switching the ring gear from a stationary state to a rotating state.
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公开(公告)号：US20210199088A1
公开(公告)日：2021-07-01
申请号：US17126503
申请日：2020-12-18
申请人： Nabtesco Corporation
发明人： Osamu NOHARA
IPC分类号： F03D7/02
摘要： A wind turbine drive control device according to one aspect of the present invention is a wind turbine drive control device for controlling at least one drive device for moving two structures included in a wind power generation device relative to each other, the wind turbine drive control device including: an obtaining unit for obtaining information related to a load occurring between the at least one drive device and one of the two structures that receives a force generated by the at least one drive device; and a control unit for controlling the at least one drive device so as to cause a force generated by the at least one drive device to be reduced or zero based on the information related to the load obtained by the obtaining unit during a stop period in which the two structures are stopped relative to each other.
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公开(公告)号：US20190203697A1
公开(公告)日：2019-07-04
申请号：US16314484
申请日：2017-07-07
申请人： NABTESCO CORPORATION
发明人： Osamu NOHARA , Haruna OSAKO
CPC分类号： F03D15/10 , F03D7/0204 , F03D7/0224 , F03D7/04 , F05B2260/403 , F05B2270/1075 , F05B2270/331 , F16H1/22 , Y02E10/722 , Y02E10/723 , Y02E10/726
摘要： A wind turbine drive system includes a plurality of drive devices, a state quantity detection unit, a ring gear braking portion, and a control unit. The plurality of drive devices are provided in a first structure, and a ring gear is provided in a second structure. Each of the drive devices includes a motor drive portion and a speed reducing portion. The state quantity detection unit detects a load between a meshing portion of each of the drive devices and the ring gear. When a degree of variation in the load among the drive devices is outside a permissible range, the control unit performs a first control process of controlling the motor drive portion to prevent an increase in the degree of variation in the load and/or a second control process of controlling the ring gear braking portion.
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公开(公告)号：US20240077056A1
公开(公告)日：2024-03-07
申请号：US18455150
申请日：2023-08-24
申请人： Nabtesco Corporation
发明人： Osamu NOHARA , Hirofumi KOMORI
CPC分类号： F03D7/0224 , F03D17/028 , F05B2270/32 , F05B2270/321 , F05B2270/328 , F05B2270/329 , F05B2270/80
摘要： A wind power generation device control system includes: a blade wind detecting device for detecting at least one of a wind direction or a wind speed on at least one blade of a wind power generation device; and a blade control device for controlling at least one of (i) a pitch angle of the at least one blade or (ii) a yaw angle of the wind power generation device, based on at least one of the wind direction or the wind speed detected by the blade wind detecting device.
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10.发明公开公开(公告)号：US20230407847A1
公开(公告)日：2023-12-21
申请号：US18305141
申请日：2023-04-21
申请人： NABTESCO CORPORATION
发明人： Osamu NOHARA , Hirofumi KOMORI
CPC分类号： F03D17/00 , G01B7/146 , F03D15/00 , F05B2260/4031 , F05B2260/80 , F05B2270/305
摘要： A backlash measuring method is provided for measuring backlash at a plurality of different times. The backlash measuring method includes: a rotation amount calculating step of braking a ring gear relative to a second portion while contact between a target tooth and the ring gear achieved in a contacting step is maintained, causing a target pinion to rotate toward a second side in a rotation direction opposite to the first side with a driving force less than a braking force applied to brake the ring gear relative to the second portion until the target tooth touches the ring gear at a tooth surface facing the second side, and calculating an amount of rotation of the target pinion; and a measuring step of measuring backlash between the ring gear and the target pinion based on the amount of rotation of the target pinion calculated in the rotation amount calculating step.
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