Rotational vibration damper

US6089121A · kind A · utility

Assignee

• Mannesmann Sachs AG · DE

Inventor

• Norbert Lohaus · Schweinfurt, DE

Key dates

• Filing date: Mar 2, 1999
• Grant date: Jul 18, 2000
• Expiry date: Mar 2, 2019

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F15/1407
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A rotational vibration damper, especially for arrangement in a drive train of a motor vehicle driven by an internal combustion engine, comprises first and second damping components that are rotatable together as well as relative to each other around a common rotational axis. The first and second damping components are connected to each other for rotational force transmission by a coupling mass arrangement. The coupling mass arrangement is connected to the first damping component so as to be pivotable about a pivot axis that is offset substantially axis-parallel to the center of gravity of the coupling mass arrangement and to the rotational axis. The coupling mass arrangement has two contact surface regions arranged at a distance from each other in the circumferential direction relative to the pivot axis and face away from each other. The second damping component has two counter-contact surface regions arranged at a distance from each other in the circumferential direction relative to the rotational axis and face each other. The two contact regions respectively contact the two counter-contact regions for rotational force transmission between the coupling mass arrangement and the sec…