Patent · US Expired

Fluid operated clutch disengaging apparatus

US6273231A · kind A · utility

9Cited by

7References

30Claims

0Family size

Assignee

LUK Lamellen Und Kupplungsbau · US

Inventors

Hartmut Koschmieder
Walter Parzefall · Bubenreuth, DE
Ludwig Winkelmann · Erlangen, DE
Harald Peschke · Veitsbronn, DE

Key dates

Filing date	Oct 12, 1999
Grant date	Aug 14, 2001
Priority date	—
Expiry date	Oct 12, 2019

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D2300/08
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A hydraulic clutch release system, particularly for motor vehicles has a master cylinder and a slave cylinder, and the slave cylinder has a piston 7 which is annular in form and works inside an annular cylinder 2. The leading end of the cylinder is fitted with a seal 9 which is mounted on a one-piece seal carrier 10a through an undercut part of the carrier in which the seal fits without leaving any empty space.

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