Hydraulic torque converter control system
US4294140A · kind A · utility
22Cited by
14References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1979 |
| Grant date | Oct 13, 1981 |
| Priority date | — |
| Expiry date | Jan 23, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2045/0294
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A lock-up control valve is operated into a position to effect a lock-up condition of a torque converter by a governor pressure fed by way of a shift valve when the vehicle operates at high speeds in high gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.