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Disengagement system for clutches of motor vehicles

A separation system and clutch technology, applied in non-mechanical drive clutches, fluid drive clutches, clutches, etc., to achieve the effect of reducing costs, reducing tolerance chains, and requiring less precision

Inactive Publication Date: 2018-09-14
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] A further disadvantage is that the magnet must be guided precisely / repeatably and without play to the Hall sensor and the sensor integrated on the sensor circuit board must be positioned extremely precisely and must be placed on the main board at an angle of 90°

Method used

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  • Disengagement system for clutches of motor vehicles
  • Disengagement system for clutches of motor vehicles
  • Disengagement system for clutches of motor vehicles

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0039] exist figure 1 A longitudinal sectional view of the separation system according to the invention is shown in to illustrate the principle structure. The disconnect system is designed here as a disconnect in the form of a hydraulic clutch actuator (HCA), wherein the master cylinder 1 can be actuated via the transmission 3 by means of a drive in the form of an electric motor 2 .

[0040] In the housing 1 . 1 of the master cylinder 1 , a piston 4 (annular piston) is arranged axially displaceable via a transmission 3 when the electric motor 2 is actuated. When the piston 4 is actuated in the axial direction, here to the right in the direction of the arrow, pressure builds up in the pressure chamber 5 formed by the housing 1 and the piston 4 . The pressure chamber 5 is connected via a pressure medium connection 6 and a not shown hydraulic line to a slave cylinder, also not shown, which actuates a clutch (not shown) via a release mechanism.

[0041] The transmission 3 is in ...

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PUM

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Abstract

The invention relates to a disengagement system for a clutch of a motor vehicle with a drive which is operatively connected via a gear to a piston which is arranged axially displaceable in a housing, and wherein the piston is driven by the housing during actuation A pressure builds up in the pressure chamber formed by the piston and the piston, the separation system has a sensor device for determining the position of the piston, characterized in that an inductive sensor device is integrated into the separation system, the sensor device has a connection with the housing A stationary inductive sensor, by means of which the position of an electrically conductive object (target body) to be detected can be determined, wherein the target body is integrated into the piston or into a component of the separation system which is axially movable complementary to the piston , or the target body is formed in the form of at least one area of ​​a component movable complementary to the piston.

Description

technical field [0001] The invention relates to a release system for a clutch of a motor vehicle, in particular of the type of a hydraulic clutch actuator (HCA) with means for position determination and / or displacement measurement of a piston. Background technique [0002] To determine the position or the displacement in the clutch disengagement system, various technical solutions are used which use the interaction of an information transmitter / reference transmitter (sensor element) designed as a magnet with a sensor / sensor arrangement. Typically, the magnet is associated with the piston, which is the movable part of the fluid cylinder, and the sensor is fixed on the cylinder housing which is fixed relative to the piston. [0003] A clutch actuator is known from document DE 103 16 422 A1, which consists of a drive motor, such as an electric motor, wherein the electric motor is connected via a transmission, such as a worm drive, a spur gear, a crankshaft Or the screw drive d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D25/08
CPCF16D25/08F16D2025/081F16D2300/18
Inventor 马库斯·迪特里希
Owner SCHAEFFLER TECH AG & CO KG