Power system for a working machine and corresponding operation method
US11885103B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2020 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | May 4, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A power system for a working machine, including a prime mover drivingly connectable to a main shaft; a planetary gear set including a rotatable first member drivingly connected to the main shaft, a rotatable second member and a rotatable third member for propulsion of the working machine; a hydraulic system including at least one hydraulic actuator for performing a working function of the working machine; an electric energy storage system; a first hydraulic machine mechanically coupled to the main shaft and hydraulically coupled to the hydraulic system; a first electric machine mechanically coupled to the main shaft; a second electric machine mechanically coupled to the rotatable second member, wherein the electric energy storage system is electrically connected to the first and second electric machines, and wherein the power system further includes a second hydraulic machine mechanically coupled to the rotatable second member and hydraulically coupled to the hydraulic system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.