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US 12,760,498 B2Granted
Electric excavator
AssigneeKomatsu Ltd.
InventorsMasaho Yamaguchi, Takeshi Kitagawa
Life of this patent
Estimating the term…
Abstract
An exterior cover includes a left side panel and a right side panel opposite to each other in a left/right direction, a vent provided in left side panel, and a vent provided in right side panel. A battery is arranged between left side panel and right side panel, and supplies power to an electric motor. A hydraulic equipment is arranged forward of battery. A cooling device includes a cooling fan, and is arranged facing an area located between battery and hydraulic equipment in plan view in the left/right direction.
Claims7
An electric excavator comprising:
- an exterior cover including a first side panel and a second side panel opposite to each other in a left/right direction, a first vent provided in the first side panel, and a second vent provided in the second side panel;
- a battery arranged between the first side panel and the second side panel and supplying power to a power source;
- a hydraulic equipment arranged forward of the battery;
- and
- a cooling device including a first cooling fan and a second cooling fan, the cooling device arranged facing an area located between the battery and the hydraulic equipment in plan view in the left/right direction, wherein
- the cooling device is arranged so that the first cooling fan supplies air to a first area on a battery side, and the second cooling fan supplies air to a second area on a hydraulic equipment side, and
- both the air supplied to the first area to cool the battery and the air supplied to the second area to cool the hydraulic equipment are discharged from the second vent.
4 more elements
Dependencies are inferred from the claim text.