Method of adaptively scheduling a shift for an electronic automatic transmission system
US4938102A · kind A · utility
28Cited by
22References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1989 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Mar 17, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2312/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of adaptively scheduling a shift or inhibiting a shift until engine speed is at least equal to or greater than the output speed of the target gear which will prevent any negative torque, and will eliminate any "clunk" in the drivetrain in an automatic transmission system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.