Vehicle driving device
US12404828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2024 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Jul 8, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/62
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vehicle driving device includes an engine, an electric pump, an electric heater, a starter motor, and a control system. The control system calculates a first actual viscosity of an engine oil based on a load torque of an electric pump. The control system causes an electric heater to operate by supplying a first energy to the electric heater and calculates a second actual viscosity of the engine oil based on the load torque of the electric pump. The control system calculates, based on the second actual viscosity of the engine oil and a target viscosity of the engine oil, a second energy that is to be supplied to the electric heater. The control system causes the electric heater to operate by supplying the second energy to the electric heater and then drives a starter motor so as to cause an output shaft to perform starting rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.