Automatic transmission control system
US5665020A · kind A · utility
7Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1996 |
| Grant date | Sep 9, 1997 |
| Priority date | — |
| Expiry date | Jan 30, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/0488
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A control system for an automatic transmission having at least a friction coupling element which is coupled with a hydraulic pressure increasing by way of a leveled transitional pressure has an accumulator which discharge a high level of pressure accumulated therein into the fiction coupling element during a gear shift under the condition where the line pressure is low.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.