Hybrid vehicle drive system adapted to produce substantially constant vehicle drive force under the same vehicle running condition, even in different modes of operation
US5935040A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Jul 21, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/946
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A hybrid drive system for a motor vehicle, including a drive power source consisting of an engine operated by combustion of a fuel, and an electric motor operated with an electric energy, and a controller for selectively establishing a plurality of operation modes in which the drive power source is placed in respective different operating states, and wherein the controller includes a drive force control device for controlling the hybrid drive system so as to produce a substantially constant drive force for driving the vehicle, under the same running condition of the vehicle, irrespective of the currently established operation mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.