Hybrid construction equipment
US6678972B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2002 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Jan 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/907
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hybrid construction equipment capable of sufficiently exhibiting performance of a battery with strategic arrangement of the apparatuses being carried out is provided. For this purpose, the hybrid construction equipment includes, on an upper revolving superstructure (10) rotatably placed on a lower traveling unit, an engine (1), a generator (3) driven by the engine (1), a battery (5) charged with electric power generated by the generator (3), an electric motor (7) driven by electric power of the battery (5), an inverter (6) for controlling drive of the electric motor (7) and a driver's cab (12), and the battery (5) is placed to be isolated from the engine (1) and the generator (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.