Gearshift timing control arrangement for automatic power transmission
US4334441A · kind A · utility
28Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1979 |
| Grant date | Jun 15, 1982 |
| Priority date | — |
| Expiry date | Mar 14, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H61/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In an automatic power transmission for an automotive vehicle, the hydraulic control system has incorporated therein a gearshift timing control arrangement for controlling the overlap and neutral intervals between the timings at which frictional units contributive to predetermined forward drive gear ratios are to be made operative and inoperative, the control being effected depending upon the road speeds of a vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.