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US 12,747,559 B2Granted
Electric working machine
AssigneeYanmar Holdings Co., Ltd.
InventorSatoshi Kitahara
Life of this patent
Estimating the term…
Abstract
A hydraulic excavator as an electric working machine includes: a lower traveling body; an upper turning body that is positioned above the lower traveling body and provided to be turnable with respect to the lower traveling body; an electric motor that is arranged in the upper turning body; and a battery unit that is arranged in the upper turning body and stores electric power for driving the electric motor. The upper turning body includes a turning frame at a bottom. The battery unit is arranged on the turning frame. The electric motor is arranged above the battery unit.
Claims6
An electric working machine comprising:
- a turning frame;
- an electric motor that is arranged on the turning frame;
- a battery unit that is arranged on the turning frame and stores electric power for driving the electric motor;
- a junction box that relays the electric power output from the battery unit;
- a hydraulic pump that is arranged on the turning frame and driven by the electric motor;
- and
- a first electrical component that is arranged on the turning frame and through which the electric power output from the battery unit passes,
- wherein the first electrical component, the electric motor, and the hydraulic pump are arranged in a row in a horizontal direction, and
- wherein the junction box is arranged rearward of the first electrical component.
6 more elements
Dependencies are inferred from the claim text.