Hybrid construction machine
US9873349B2 · kind B2 · utility
1Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2016 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Apr 7, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/93
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A first warming-up control unit calculates warming-up time charging power from a power storage SOC and power storage temperature and causes a generator motor to perform power generation operation thereby charging a power storage unit on the basis of the calculated warming-up time charging power. A second warming-up control unit applies, during the power generation operation, a hydraulic load to a hydraulic pump by a hydraulic load unit and performs horsepower control of the hydraulic pump using a value obtained by subtracting the warming-up time charging power from preset warming-up time pump horsepower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.