Vehicle and method of control thereof
US10259445B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2017 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Jul 12, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/93
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In an aspect of the invention there is provided a speed control system for a hybrid electric vehicle, the vehicle having at least one engine and at least one electric machine, the system being operable to allow a driver to set a target vehicle speed, the system being operable in first and second speed control modes to control the vehicle to maintain the target vehicle speed, in the first speed control mode the system being configured to limit operation of the vehicle to an electric vehicle (EV) mode, in the second speed control mode the system being configured not to limit operation of the vehicle to the EV mode, wherein when the control system is in the first mode and at least one of a prescribed one or more conditions is met, e.g. a rate of acceleration demanded by the driver or a difference between a target vehicle speed and a current vehicle speed exceeds a respective prescribed threshold value, the system is operable to not limit operation of the vehicle to the EV mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.