Pneumatic spring strut having a resilient piston bearing

US8991798B2 · kind B2 · utility

Assignee

• Continental Teves AG & Co. OHG · DE

Inventors

• Thomas Eike · Hannover, DE
• Jens-Uwe Gleu · Langenhagen, DE
• Andreas Nessel · Altwarmbüchen, DE
• Dirk Rosner · Garbsen, DE
• Holger Oldenettel · Garbsen, DE

Key dates

• Filing date: Jun 1, 2011
• Grant date: Mar 31, 2015
• Expiry date: Aug 14, 2031

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60G2206/73
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A pneumatic spring strut for a vehicle, having a working chamber which is at least partially enclosed by a pneumatic spring bellows and having a centrally arranged telescopic damper, wherein the pneumatic spring bellows is fastened to the pneumatic spring cover and to a pneumatic spring piston connected to the damper cylinder and can roll on the outer side of the pneumatic spring piston, wherein the pneumatic spring piston is connected, at its top end and above the roll fold, to the damper cylinder by an elastic bearing, and the elastic bearing is composed of an elastomer body which is provided between a collar, which is situated on the damper cylinder, and a flange, which is arranged on the pneumatic spring piston, wherein the collar situated on the damper cylinder is arranged below the piston-rod-side end of the damper cylinder.