Patent · US Expired

Clutch hydraulic control device, in particular for motor car

US6289790A · kind A · utility

8Cited by
5References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 1, 2000
Grant dateSep 18, 2001
Priority date
Expiry dateMay 1, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D2025/081
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention concerns a device comprising a shift cylinder with a cylinder body (17) bearing a first sleeve (54) for guiding a second sleeve (42) enclosing an axially mobile piston (21) with an intervening piston seal between the second sleeve (42) and the piston (21) and a secondary seal (59) between the body (17) and the second sleeve (42) penetrating into the hydraulic chamber. The invention is applicable to motor vehicles.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.