Vehicle hybrid drive system control apparatus adapted to reduce transmission input torque upon transmission shifting, by using engine and/or motor/generator
US5951614A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Jun 5, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S903/945
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Apparatus for controlling a vehicle hybrid drive system having a transmission disposed between a vehicle drive wheel and an assembly of an engine and a motor/generator, the apparatus including a torque reduction control device for reducing an input torque of the transmission during a shifting action of the transmission, wherein the torque reduction control device includes a first torque reducing device for reducing the input torque by controlling the engine, a second torque reducing device for reducing the input torque by controlling the motor/generator, and a torque reduction mode selecting device for enabling the first torque reducing device and/or the second torque reducing device to operate to reduce the input torque, according to a predetermined selecting condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.