Clutch actuation system with auxiliary actuating assembly
US6536573B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Apr 16, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2500/1028
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An actuation system for a friction clutch installed in the drive train of a motor vehicle between a drive unit and a transmission includes a pressure medium-powered cylinder assembly and a pilot/automatic control valve assembly. An auxiliary actuating assembly includes an auxiliary actuating valve assembly, which can be switched into a pressure medium feed position, wherein the pressure medium-powered cylinder assembly can be connected with the pressure medium source or with a separate auxiliary pressure medium source for emergency actuation of the clutch, and into a pressure medium discharge position, wherein the cylinder assembly can be connected with a pressure compensation port or with a pressure compensation tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.