Control system for automatic transmission
US5806642A · kind A · utility
5Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1996 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Jul 24, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S477/901
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic transmission control system causes a downshift to a gear which can provide an effect of engine braking greater than that provided before the downshift when the vehicle falls its speed with a specified rate of speed reduction as a result of footbrake application while the vehicle is traveling on a downgrade having a slope greater than a specified slope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.