Hydraulic control device and method for controlling a dual clutch transmission having a control device
US10794476B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2018 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2061/2823
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Hydraulic control device for an automated dual clutch transmission having first and second clutches with first and second sub-transmissions and also a gear shifting system. The hydraulic control device has a regulating unit that predetermines at least one regulated pressure and/or one regulated volume flow for actuating the first and second clutches and shifting system. The hydraulic control device has a switching device that is arranged between the regulating unit and the clutches or the shifting system, switching the regulated pressure or volume flow to the clutches or the shifting system. The regulating unit includes a first regulating valve and a second regulating valve that is connected to an oil pressure supply having a system pressure regulator and an electric oil pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.