Method and system for starting an internal combustion engine
US12241428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2023 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Nov 13, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02N2300/2002
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for starting an internal combustion engine (ICE) having a crankshaft and an electric turning machine (ETM) operatively connected to the crankshaft is disclosed. The method includes: sensing a voltage of a capacitance connected to the ETM and configured to power the ETM; detecting a rotation of the crankshaft resulting from an actuation of a recoil starter; in response to detecting the rotation of the crankshaft, determining if an assisted start condition is met; in response to the assisted start condition being met, delivering power from the capacitance to the ETM and the ETM assisting the recoil starter; in response to the assisted start condition not being met, continuing to turn the crankshaft with the recoil starter without assistance from the ETM; determining if the ICE has started; and in response to the ICE being started, delivering power from the ETM to the capacitance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.