Two-mass flywheel for a motor vehicle, which two-mass flywheel has an opening to receive lubricant
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United States of America Patent
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-
Aug 31, 1999
Grant Date -
N/A
app pub date -
Mar 20, 1997
filing date -
Mar 21, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A torsional vibration damper for a flywheel with two inertial masses has two rotating elements which can rotate together and relative to one another. The rotating elements are connected to one another with rotational elasticity by a spring. The spring is located in a channel which is formed on the outside periphery of one of the two rotating elements. The channel is filled at least partly with lubricant. A filling passage for the lubricant is contained in one of the two rotating elements in the vicinity of the hub. The filling passage is closed by the annular surface of a component which, at least in the operationally fully assembled condition, is in contact with one of the two rotating elements and/or the hub. It is thereby possible to eliminate a separate closing cap, along with the corresponding work step which is necessary for the installation of such a closing cap.
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