Torsional vibration damper

US6343684B1 · kind B1 · utility

Assignee

• Mannesmann Sachs AG · DE

Inventors

• Norbert Lohaus · Schweinfurt, DE
• Andreas Orlamünder · Schweinfurt, DE

Key dates

• Filing date: Aug 5, 1997
• Grant date: Feb 5, 2002
• Expiry date: Aug 5, 2017

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F15/12313
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A torsional vibration damper including a disk-shaped first damper part, a second damper part which is rotatable about an axis with respect to the first damper part, and a torsion spring arrangement with at least one torsion spring unit. The at least one torsion spring unit includes at least two springs which are arranged substantially following one another in the circumferential direction. Further, there is at least one intermediate ring element which is rotatable about the axis with respect to the first damper part and the second damper part and with at least one spring contact arm for the at least one torsion spring unit. The spring contact arm extends substantially radially with respect to the axis. The at least one intermediate ring element has a radial movement restraining component for protecting the at least two springs against a movement in the radial outward direction in their end regions facing the at least one spring contact arm.