Importance

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Abstract

A hydraulic module for generating pressure and/or controlling pressure in a slip-controllable brake system of a motor vehicle. A hydraulic module includes a piston pressure generator including a piston which is displaceably accommodated in a cylinder bore of a housing block and can be driven to perform an axial movement. The piston delimits a working chamber, which changes its volume depending on the movement direction of the piston. A guide gap between a circumference of the piston and the cylinder bore is sealed toward the working chamber using a seal assembly. A guide element is included, on which the piston can be radially supported with its circumference, on a side of the seal assembly that faces away from the working chamber. This guide element is accommodated in a receiving groove of the housing block in such a way that it extends radially in part into the guide gap.

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First Claim