VIBRATION ABSORBER WITH HYDRAULIC CABLE STOP

The invention relates to a vibration damper having a hydraulic traction stop for a motor vehicle wheel suspension, comprising a reservoir tube (2'"), a piston rod (3'") and a hydraulic damping device (10'") having a damping piston (11'") fastened on the piston...

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Bibliographic Details
Main Authors Schlegel, Jan-Rickmer, Klöker, Georg, Schreiner, Marco
Format Patent
LanguageEnglish
French
German
Published 29.09.2021
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The invention relates to a vibration damper having a hydraulic traction stop for a motor vehicle wheel suspension, comprising a reservoir tube (2'"), a piston rod (3'") and a hydraulic damping device (10'") having a damping piston (11'") fastened on the piston rod (3), which provides a hydraulic force directed against the tractive motion of the piston rod (3'") in an end region of a piston rod extraction path before reaching the maximum piston rod extraction path. The damping piston (11'") has a circumferential groove (12'") in which a slotted sealing ring (16'") is received, which hydraulically seals in the groove (12'") in said end region of the piston rod extraction path upon movement of the piston rod (3'") in the traction direction and, upon movement of the piston rod (3'") in the pressure direction at least locally rises from a flank (14'") of the groove (12'") on the pressure direction side, which delimits the groove (12'") on the side in the pressure direction and in the traction direction, in order to provide a defined permeability for a hydraulic damping medium between the groove (12'") and the sealing ring (16'"). (Figure 8)
Bibliography:Application Number: EP20200176423