Air suspension strut having an elastic damper bearing fastening

US11707960B2 · kind B2 · utility

Assignee

• Continental Teves AG & Co. OHG · DE

Inventors

• Ralf Pielock · Winsen (Aller), DE
• Andreas Nessel · Altwarmbüchen, DE

Key dates

• Filing date: Mar 10, 2021
• Grant date: Jul 25, 2023
• Expiry date: Sep 9, 2041

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F2230/0041
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An air suspension strut for a motor vehicle comprises an air spring having an air spring cover and a rolling piston. A shock damper is integrated with the air spring and has a damper tube and a piston rod receivable within the damper tube. A rolling bellows is secured between the spring cover and the rolling piston thereby delimiting a variable volume pressure chamber filled with compressed air. The rolling bellows rolls on the rolling piston with a rolling fold being formed. A damper bearing is accommodated in a bearing socket of the air spring cover and connected to the piston rod. The damper bearing comprises a supporting piece, an elastomer body, and a sleeve. A closure element inserted in the bearing socket above the damper bearing. An elastic element arranged between the sleeve and the closure element.