公开(公告)号：US20190319511A1

公开(公告)日：2019-10-17

申请号：US16382158

申请日：2019-04-11

Applicant: NIDEC TOSOK CORPORATION

Inventor： Kazuhiro SAITO ,  Hiroaki TAKAHASHI ,  Tadayuki HATSUDA

IPC: H02K7/116 ,  H02K7/00 ,  H02K5/04 ,  H02K11/00

Abstract: There is provided an electric actuator including a motor part, a deceleration mechanism, an output part, and a housing. The housing has a housing main body and a lid member. An output shaft is positioned at a first corner of the housing. The lid member and the housing main body are fastened by bolts. The bolts include corner bolts positioned at respective corners of the housing other than the first corner and an intermediate position bolt positioned at the intermediate between the first corner and a second corner adjacent to the first corner. In a plane view, the intermediate position bolt is positioned on the side of the planar center with respect to an edge connecting the first corner and the second corner and on the side of an outer edge with respect to an imaginary line connecting the center of the output shaft and the second corner.

公开(公告)号：US20200099270A1

公开(公告)日：2020-03-26

申请号：US16579876

申请日：2019-09-24

Applicant: NIDEC TOSOK CORPORATION

Inventor： Shun KATO ,  Youngdae KANG ,  Hiroaki TAKAHASHI

IPC: H02K5/22 ,  F16H61/32 ,  H02K7/116

Abstract: An electric actuator includes a motor portion, a circuit board, a speed reduction mechanism, a busbar holder that holds a busbar, and a housing. The housing has a motor case and a compartmental wall. The compartmental wall has a through-hole which penetrates the compartmental wall in an axial direction. The busbar holder has a base portion and a projecting portion which projects from the base portion in the axial direction and is disposed in the through-hole. An end portion of the busbar at one side projects from the busbar holder toward one side in the axial direction and is connected to the circuit board, and an end portion of the busbar at the other side projects into the through-hole from a side surface of the projecting portion of the busbar holder and is connected to a coil of a stator.