Electrically powered construction machine
US12291836B2 · kind B2 · utility
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6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2019 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Jan 10, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hydraulic shovel is provided with a lower travelling body and an upper revolving body revolvably disposed on the lower travelling body. The hydraulic shovel is also provided with a motor disposed on the upper revolving body for driving the hydraulic shovel, a first battery unit disposed on the upper revolving body, a second battery unit disposed on the lower travelling body, and a power supplier that supplies external power to the first battery unit and the second battery unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.