Method of controlling hydraulic pressure for engaging clutch in automatic transmission
US5752592A · kind A · utility
2Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 1996 |
| Grant date | May 19, 1998 |
| Priority date | — |
| Expiry date | Nov 8, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/70406
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of controlling hydraulic pressure necessary for engaging a clutch in automatic transmission comprises correcting a friction factor in accordance with the relationship between a face pressure of the clutch corresponding to hydraulic pressure as provisionally determined and the friction factor, and correcting hydraulic pressure in accordance with the friction factor as corrected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.