公开(公告)号：US20220379716A1

公开(公告)日：2022-12-01

申请号：US17746968

申请日：2022-05-18

申请人： NIDEC CORPORATION ,  Nidec Taiwan Corporation

发明人： Guo-Jhih YAN ,  Keng-Chang Wu ,  Huu-Tich NGO ,  Kuo-Min WANG ,  Hsiu-Ying LIN

IPC分类号： B60K7/00 ,  B60K17/04 ,  B60W60/00 ,  F16H37/06

摘要： A driver of an automatic guided vehicle includes a crown gear (turning gear) fixed to a bottom of a vehicle body, a support shaft penetrating a center of the crown gear and extending vertically from the vehicle body, a frame supported by the support shaft to be rotatable on a horizontal plane, a wheel axle rotatably and horizontally provided on the frame, and a wheel connected to the wheel axle. A first motor and a second motor, which are drive sources, and a first planetary gear mechanism and a second planetary gear mechanism are provided at both ends in an axial direction of the wheel axle, respectively. Each carrier of the first and second planetary gear mechanisms is connected to the wheel axle, and each ring gear of the first and second planetary gear mechanisms meshes with the crown gear.

公开(公告)号：US20200067382A1

公开(公告)日：2020-02-27

申请号：US16540149

申请日：2019-08-14

申请人： Nidec Corporation

发明人： Guo-Jhih YAN ,  Huu-Tich NGO

IPC分类号： H02K7/116 ,  F16H1/28 ,  H02K21/24 ,  H02K5/04

摘要： A speed reduction apparatus includes a motor and a speed reduction assembly. The motor includes a first rotating shaft and a second rotating shaft a second rotator and a first rotator, a stator, a first motor housing, a second motor, and a first bearing and a second bearing at a radial outer side of the first rotating shaft, the first bearing and the second bearing being axially located at the same side of the first rotator facing the first motor housing. The speed reduction assembly includes a first gear, third gears engaging with the first gear, and a second gear, an output shaft, the third gears turning the second gear to rotate, and the second gear driving the output shaft, and a bracket between the output shaft and the first rotating shaft, the first gear, the second gear and the third gears being located at an axial outer side of the first motor housing, and at least one of the first gear, the second gear and the third gears being located radial outer sides of the first bearing and the second bearing.

公开(公告)号：US20220407372A1

公开(公告)日：2022-12-22

申请号：US17751669

申请日：2022-05-24

申请人： NIDEC CORPORATION

发明人： Sheng-Chan YEN ,  Ta-Yin LUO ,  Yu-Wei HSU ,  Guo-Jhih YAN ,  Huu-Tich NGO ,  Pei-Chun SHIH ,  Cheng-Tsung LIU

IPC分类号： H02K1/24 ,  H02K1/28 ,  H02K19/10

摘要： The present invention aims to improve conductivity of a conductive member on a first axial side, the conductive member being inserted into a flux barrier. An aspect of a synchronous reluctance motor includes flux barriers provided at respective poles of a rotor core, and conductive members that are branched from a first axial side, which is one side in an axial direction, and that are positioned in the flux barriers different from one another.

公开(公告)号：US20210296948A1

公开(公告)日：2021-09-23

申请号：US17266617

申请日：2019-08-06

申请人： NIDEC CORPORATION

发明人： Sheng-Chan YEN ,  Hsin-Nan LIN ,  Ta-Yin LUO ,  Guo-Jhih YAN ,  Yu-Wei HSU ,  Huu-Tich NGO ,  Cheng-Tsung LIU

IPC分类号： H02K1/24 ,  H02K19/02 ,  H02K1/27 ,  H02K15/03

摘要： A rotor includes a rotor core that is made of electromagnetic steel sheets rotating around a central axis and laminated in an axial direction, and that has multiple flux barriers penetrating the electromagnetic steel sheets along the axial direction. At least some of the multiple flux barriers are provided with a first penetrating portion and a second penetrating portion arranged in the radial direction, the first penetrating portion housing a magnet and the second penetrating portion housing a conductive non-magnetic conductor.