Electronic transmission range selection subsystem in a hydraulic control system for an automatic transmission
US9435428B2 · kind B2 · utility
6Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2015 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Nov 18, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H63/483
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic control system for a transmission is provided. The hydraulic control system includes a source of pressurized hydraulic fluid that communicates with an electronic transmission range selection (ETRS) subsystem. In one example, the ETRS subsystem includes an ETRS enablement valve, an ETRS control valve, a park servo that controls a park mechanism, a plurality of solenoids, and a park inhibit solenoid assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.