Torsional vibration damper
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United States of America Patent
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-
Apr 8, 2014
Grant Date -
Jul 8, 2010
app pub date -
Jan 5, 2010
filing date -
Jan 7, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A torsional vibration damper comprises an outer housing, an inner part that is concentric relative to the outer housing, a plurality of chambers formed between the outer housing and the inner part, which are filled with a damping medium and are connected to one another through overflow channels, and a plurality of leaf spring assemblies that are arranged in the chambers and join the outer housing and the inner part with one another in a torsionally flexible manner. The leaf spring assemblies have machining-induced deflections. Two leaf springs with substantially similar deflections are each arranged within a chamber. The leaf spring pairs may be arranged in a mirror-image array or in parallel to one another. Thus, the manufacturing cost of a torsional vibration damper can be reduced, while its compact outer dimensions can be maintained.
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