Shock-absorbing element for a motor vehicle

US6782979B1 · kind B1 · utility

Assignee

• PNP Luftfeder systeme GmbH · DE

Inventors

• Henning Gold · Bingen, DE
• Stefan Beetz · Barnin, DE
• Peter Kobs · Tirschenreuth, DE
• Stephan Joerg GOEBEL · Tirschenreuth, DE
• Patrik Braun · Hannover, DE

Key dates

• Filing date: May 15, 2002
• Grant date: Aug 31, 2004
• Expiry date: May 15, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60G2500/10
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Known shock-absorbing elements are provided with overflow throttles equipped with sealing disks. These overflow throttles have different opening characteristics for the two directions which cannot be changed. The aim of the invention is therefore to provide a novel overflow throttle that can be freely selected and changed. To this end, the overflow throttle consists of a first (13) and a second overflow throttle (13) that are spatially separate and that are allocated to respective pressure chambers (10, 11). Both overflow throttles are provided with sealing disks (23) and are oriented opposite to the sense of the direction of flow. Every overflow throttle (13) is linked with the other pressure chamber (10, 11) via at least one through bore (35) that evades the opposite overflow throttle (13).