Device for damping torsional vibrations

US5294165A · kind A · utility

Assignee

• Porsche AG · DE

Inventors

• Hans-Heinrich Kohlmeier · Kolitzheim, DE
• Heinz Bayer · Ulm, DE

Key dates

• Filing date: Oct 19, 1992
• Grant date: Mar 15, 1994
• Expiry date: Oct 19, 2012

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F7/104
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

In a device for damping torsional vibrations of the body of a convertible vehicle, an elastically mounted weight is used. The damper is mounted elastically on a frame of a windshield by slide bearings and at a distance from the frame, relatively free to vibrate in the transverse directions of the vehicle. The damper has a frequency equal to the torsional natural frequency of the vehicle in the area of the frame, with the bearings having a sliding resistance determined by their geometry. The damper is elastically mounted by at least one central slide bearing on the frame element, with the damping weight having a leaf spring element at each end and mounted to abut the frame element and to permit transverse movement of the damping weight.