Power line ice-shedder
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United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
N/A
app pub date -
Jan 11, 2002
filing date -
Jan 11, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical ice-shedding device for temporary or permanent attachment to a suspended cable, and particularly to a suspended power line. The ice-shedding device uses a motor to move at least one unbalanced weight, thereby causing a vibration of the device that is translated to the cable to which the device is attached. The vibration causes an oscillation of the cable which is sufficient to substantially shed ice that has accumulated thereon. The output of the motor is preferably regulated so that the cable may be ramped through several frequencies of oscillation, thereby improving its ice-shedding ability. The device may be driven by power from the power line to which it is attached, or from another source, such as a battery or storage capacitor.
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