Vibration absorber
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United States of America Patent
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N/A
Issued Date -
Jul 15, 2004
app pub date -
Jan 13, 2003
filing date -
Jan 13, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vibration-reducing apparatus mounted to a machine that vibrates during operation. The apparatus includes a spring and mass combination tuned to a natural frequency of oscillation substantially equal to the fundamental frequency of the machine's vibration at operating speed. The apparatus also includes at least one additional mass and spring combination tuned to a natural frequency of oscillation substantially equal to another harmonic, such as the second harmonic, frequency of the machine's vibration at operating speed. Thus, the apparatus absorbs the machine's vibration, resulting in a quieter, smoother machine.
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