Electrified vehicle propulsion system architecture that provides high performance without multispeed reducer
US12359707B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2024 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Apr 30, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H37/082
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric drive module for an electrified vehicle includes first and second electric motors, first and second reduction assemblies and a driveline. The first electric motor has a first rotatable output. The second electric motor has a second rotatable output. The first electric motor has a lower output capacity than the second electric motor. The first reduction assembly is driven by the first rotatable output and includes a first reduction output that is coupled to the second electric motor. The second reduction assembly is driven by the second rotatable output of the second electric motor. The first reduction assembly and the second reduction assembly cooperate to provide a combined first effective reduction ratio driven by the first rotatable output and wherein the second reduction assembly provides a second effective reduction ratio driven by the second rotatable output, the first effective reduction ratio being higher than the second first effective reduction ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.