US 12,278,538 B2
Electric power unit and working machine
Hiroshi Mizuguchi, Wako (JP); Kazuhisa Fujiwara, Wako (JP); Nobuyuki Kaneko, Wako (JP); Naoki Matsunaga, Wako (JP); Toru Yuki, Wako (JP); Shota Shimotani, Wako (JP); and Ayame Murakami, Wako (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Feb. 25, 2021, as Appl. No. 17/185,567.
Application 17/185,567 is a continuation of application No. PCT/JP2018/032632, filed on Sep. 3, 2018.
Prior Publication US 2021/0184535 A1, Jun. 17, 2021
Int. Cl. H02K 5/04 (2006.01); H01M 50/202 (2021.01); H02K 9/04 (2006.01)
CPC H02K 5/04 (2013.01) [H02K 9/04 (2013.01); H01M 50/202 (2021.01)] 10 Claims
OG exemplary drawing
 
1. An electric power unit that is mounted on a mounting object generating vibration, comprising:
a motor having a rotating shaft; and
electrical equipment for driving the motor, the electrical equipment including a battery and a control unit configured to control the motor by electric power of the battery,
wherein the motor has a first attachment portion that is attached to the mounting object, and a second attachment portion to which the electrical equipment is attached, and has an upper surface and a side surface as portions of a surface surrounding the rotating shaft in a circumferential direction of the rotating shaft,
wherein the motor is rigidly coupled with the mounting object via the first attachment portion,
wherein the battery is attached to the upper surface of the motor via the second attachment portion, and the control unit is attached to the side surface of the motor via the second attachment portion, and
wherein the electrical equipment is attached to the second attachment portion of the motor to be separated from the mounting object, via a vibration isolation mechanism.