Actuator with wear compensation

DE102025101515A1Undetermined Publication Date: 2026-07-16AUDI AG
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Patent Information

Application Number
DE102025101515
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-07-16

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Abstract

The invention relates to an actuator (10) with wear compensation, comprising a housing (12) with a housing base (12-1) and a housing wall (12-2), a piston (14) arranged axially displaceably in the housing (12), a pressure chamber (16) bounded by the housing base (12-1), the housing wall (12-2) and the piston (14), a seal (18) arranged between the piston (16) and the housing wall (12-2), and a connection (20) through which the pressure chamber (16) can be supplied with a working fluid (22), wherein the piston (14) can be moved from a neutral position to an actuating position by supplying the pressure chamber (16) with working fluid (22). The invention is characterized in that the pressure chamber (16) is designed for wear compensation in such a way that its volume can be increased, whereby the piston (14) assumes a new neutral position after the pressure chamber volume has been increased, from which the piston (14) can then be moved for actuation.
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Citation Information

Patent Citations

  • Pneumatic actuator with wear compensation

    WO2022223128A1

  • Installation system for installing photovoltaic modules on flat roof of solar energy plant, has cross-members and longitudinal members positioned such that frame module is adjustable to solar modules of different sizes

    DE102010051449A1

  • Wear-compensating connecting element for transferring compressive force for actuation of coupling between force- inducing and exerting elements, has piston that is arranged to limit compression volume in casing filled with fluid

    DE102012212421A1

  • Actuator for actuating a friction clutch that is open in the unactuated state and use of such an actuator for this purpose

    DE102014223553A1

  • housing arrangement for an actuating cylinder of a hydraulic clutch

    DE102015204230A1