US 12,188,201 B2
Excavator
Masaaki Yamamoto, Chiba (JP); and Kaoru Nakada, Chiba (JP)
Assigned to SUMITOMO CONSTRUCTION MACHINERY CO., LTD., Tokyo (JP)
Filed by SUMITOMO CONSTRUCTION MACHINERY CO., LTD., Tokyo (JP)
Filed on Mar. 16, 2022, as Appl. No. 17/655,039.
Claims priority of application No. 2021-062422 (JP), filed on Mar. 31, 2021.
Prior Publication US 2022/0316176 A1, Oct. 6, 2022
Int. Cl. E02F 9/08 (2006.01); E02F 9/12 (2006.01)
CPC E02F 9/0866 (2013.01) [E02F 9/0883 (2013.01); E02F 9/0891 (2013.01); E02F 9/123 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An excavator comprising:
a lower traveling body;
an upper turning body turnably mounted to the lower traveling body;
a hydraulic actuator configured to drive a driven part including the lower traveling body and the upper turning body;
a hydraulic pump configured to supply hydraulic oil to the hydraulic actuator;
a motor configured to drive the hydraulic pump; and
a power storage device configured to supply power to the motor, wherein
the power storage device is mounted at a right front portion of the upper turning body, and
the hydraulic pump and the motor are mounted at a rear portion of the upper turning body.