Hoerbiger Hydraulik Gmbh

Hoerbiger Automotive Komfortsysteme Gmbh

Peter Schmied

Gerhard Huber

Klaus Stolle

Gisela Schleich

Gerhard Rinninger

Gunther Sch&ouml;nfelder

Herbert Kainzmeier

Gisela Schleicht

Olaf Biedermann

J&uuml;rgen Osterried

A hydraulic system, especially in a high-pressure application, comprises a pressurized-fluid tank, a pressurized-fluid pump driven by a drive unit, at least one hydraulic load that can be pressurized thereby and a control and/or distribution unit connected fluidically between the pressurized-fluid pump and the load. This unit is provided with a housing and a core received therein and connected rigidly with the housing, which core bears with part of its surface in the region of a common, closed, especially cylindrical joint face with the housing on a corresponding inside face of a housing opening. Surface groove-like flow ducts are provided on the core and/or the housing in the region of the joint face, and the pressurized-fluid pump is directly built onto the control and/or distribution unit in the region of a free end face of the core.

Hydraulic system

An arrangement for hydraulic actuation of a movable component on vehicles, particularly a vehicle top, trunk lid, a cover or the like, includes at least one double-action working cylinder ( ) whose working chambers are connected to a pressure source ( ) via a pressure line ( ) or whose working chambers are at least temporarily connectable thereto through a switching valve ( ). To make possible an automatic emergency operation of the normally hydraulic operated vehicle component in a simple and secure manner during failure of the pressure source, and in spite of the small available space and the mounting site with its difficult accessibility, a check valve ( ) is inserted into the pressure line ( ) blocking in the direction of the pressure source ( ) and a pressure relief line ( ) originates at a location between the check valve ( ) and the switching valve arrangement for the working cylinder ( ) whereby a shut-off element ( ) is inserted in the pressure relief line that opens when the pressure of the pressure source drops.

Arrangement for hydraulic actuation of a movable component on vehicles

A pressure medium system, particularly a hydraulic system, which includes at least one working cylinder (pressure medium cylinder) and at least one pressure medium line for the supply and/or discharge of the pressure medium whereby assembly and disassembly is made possible, especially in vehicles, without great (manufacturing) efforts and by economic production by using a detachable retaining clamp ( ) which grasps the outside of a pressure medium coupling ( ) and an end piece ( ) of the pressure medium line ( ), which may be inserted into the pressure medium coupling ( ).

Pressure medium system, working cylinder and retaining clamp

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Schongau, Germany

Peter Schmied