Powertrain and method for fast start of an internal combustion engine in a hybrid electric vehicle
US9222380B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2012 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Nov 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/903
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A plug-in hybrid electric vehicle powertrain includes an internal combustion engine and an electric vehicle traction motor, an engine lubrication oil pump in fluid communication with a lubrication oil flow circuit for the internal combustion engine, an electric oil pump drive motor drivingly connected to the lubrication oil pump, and a powertrain control module. The powertrain control module is configured to start the electric oil pump drive motor immediately upon the initial start of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.