Engine autostop control system and method for hybrid powertrain
US9199637B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2014 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | May 19, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/93
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle includes a first axle, a second axle, an engine having a crankshaft, a transmission having an input member that is operatively connected to the crankshaft and an output member that is operatively connected to the first axle, a first motor having a first rotor operatively connected to the crankshaft, a second motor having a second rotor that is operatively connected to the second axle, and a controller being operatively connected to the engine, the first motor, and the second motor. The controller is configured to selectively cause the engine to enter a deceleration fuel cut off mode, cause the transmission input torque to increase to zero, cause the torque of the second motor to decrease as the transmission input torque increases such that the sum of the first axle torque and the second axle torque remains substantially constant as the transmission input torque increases to zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.