Electric power system for one or more electric cranes
US9987934B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2015 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Mar 6, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to one aspect, an electric power system includes an energy storage device having a first peak power rating and an energy transfer circuit operable to provide electric grid energy to the energy storage device. The energy transfer circuit is further operable to cause electric energy to be supplied from the energy storage device to at least one electric crane having a second peak power rating no greater than the first peak power rating throughout an entire operational load range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.