The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 11, 2025

Filed:

Jan. 12, 2022
Applicant:

Hasse & Wrede Gmbh, Berlin, DE;

Inventors:

Michael Steidl, Berlin, DE;

Mandy Streifler, Berlin, DE;

Stephan Bohmeyer, Hoppegarten, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 15/173 (2006.01); F16F 15/16 (2006.01);
U.S. Cl.
CPC ...
F16F 15/173 (2013.01); F16F 15/161 (2013.01); F16F 2222/08 (2013.01); F16F 2228/066 (2013.01); F16F 2230/18 (2013.01); F16F 2232/02 (2013.01); F16F 2236/08 (2013.01);
Abstract

A torsional vibration damper or torsional vibration absorber has a rotating system with: a primary mass, which is arranged on a rotatable shaft, for example on a crankshaft of an engine, in particular of an internal combustion engine, and preferably can be fastened for conjoint rotation; a secondary mass, which is movable relative to the primary mass; and an assembly for vibration damping and/or vibration absorption of the relative movement between the primary mass and the secondary mass. The assembly for vibration damping and/or vibration absorption of the relative movement between the primary mass and the secondary mass has at least one accumulator inside the rotating system of the torsional vibration damper or torsional vibration absorber.


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