Automatic transmission hydraulic control system with parallel lubrication and cooler circuits
US6068569A · kind A · utility
5Cited by
29References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1999 |
| Grant date | May 30, 2000 |
| Priority date | — |
| Expiry date | Mar 31, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/0037
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An automatic transmission hydraulic control system is provided with lubrication and cooler circuits fed in parallel. The lubrication circuit is fed by regulated pressure which prevents lubrication starvation concerns under extremes of temperature and speed conditions. As the lubrication demand increases the controlled pressure increases the lube flow to meet the component lubrication requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.