Patent · US Expired

Clutch actuation system with auxiliary actuating assembly

US6536573B2 · kind B2 · utility

3Cited by
4References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2001
Grant dateMar 25, 2003
Priority date
Expiry dateApr 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.