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Slave cylinder with piston, designed for wear reduction; actuation device; and coupling system

An operating device and a clutch technology are applied to a slave cylinder with a piston designed to reduce wear; an operating device; and the field of clutch systems, which can solve problems such as scrapping of slave cylinders, reduce wear and reduce damage to seals probability, the effect of improving operational reliability

Active Publication Date: 2020-09-18
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Eventually it may even lead to complete failure of the slave cylinder

Method used

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  • Slave cylinder with piston, designed for wear reduction; actuation device; and coupling system
  • Slave cylinder with piston, designed for wear reduction; actuation device; and coupling system
  • Slave cylinder with piston, designed for wear reduction; actuation device; and coupling system

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Embodiment Construction

[0027] exist figure 1 The slave cylinder 1 according to the invention which corresponds to an advantageous embodiment in its construction can be clearly seen in FIG. The slave cylinder 1 is embodied as a fluid-technical, ie hydraulic, slave cylinder 1 , but in principle can also be designed as a pneumatic slave cylinder according to other embodiments. The slave cylinder 1 is part of a clutch system with a clutch, preferably in the form of a friction clutch, and an actuating device. The slave cylinder 1 is an integral part of the actuating device and normally acts on the clutch in an adjustable manner when the clutch is actuated. The clutch can thus be adjusted between its engaged and disengaged position. The slave cylinder 1 is usually fluidically connected further to the master cylinder of the actuating device, wherein the representation of said master cylinder has been omitted for the sake of clarity.

[0028] The slave cylinder 1 is designed as a concentric clutch slave ...

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PUM

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Abstract

The invention relates to a slave cylinder (1) for a coupling confirmation device of a motor vehicle, comprising a housing (2) and a piston (4), which is received displaceably in the housing (2) and which together with the housing (2) delimits a fluidic pressure chamber (3). The piston (4) has a main body (6), which is guided slidingly along a sleeve region (5) of the housing (2), and a seal (7), which is attached to the main body (6) and seals the pressure chamber (3) with respect to the surrounding environment, the main body (6) having a gap region (10), which is distanced from the sleeve region (5) and which is arranged axially between a sliding region (8) supported on the sleeve region (5) and a holding region (9) receiving the seal (7). The invention additionally relates to an actuation device comprising this slave cylinder (1), and to a coupling system.

Description

technical field [0001] The present invention relates to a slave cylinder suitable for a clutch operating device of a motor vehicle (such as a car, truck, bus or other commercial vehicle), said slave cylinder having a housing and a Piston in the housing and delimiting / enclosing a fluid-technical pressure chamber together with the housing, wherein the piston has a base body guided slidingly along the sleeve area of ​​the housing and a base body mounted on the base body . A seal for sealing said pressure chamber against the environment. Furthermore, the invention also relates to an actuating device suitable for a motor vehicle clutch with the slave cylinder. The invention also relates to a clutch system with said actuating device and a clutch. Background technique [0002] Such a slave cylinder is known, for example, from DE 10 2016 219 592 A1. Therein, a slave cylinder with a corresponding piston for actuating a friction clutch is disclosed, which is suitable for a hydrauli...

Claims

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Application Information

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IPC IPC(8): F16D25/08
CPCF16D25/083F16D2300/08
Inventor K·普罗霍罗夫V·基斯纳
Owner SCHAEFFLER TECH AG & CO KG
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