Friction modifier applicator system for traveling cranes
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United States of America Patent
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Apr 13, 2010
Issued Date -
N/A
app pub date -
May 3, 2007
filing date -
May 5, 2006
priority date (Note) -
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Abstract
A friction management system for a traveling crane applies a liquid or solid friction modifier (FM) in precisely controlled quantities to the crane wheels or rail to improve performance and safety during movement of the crane. The friction modifier is applied by a nozzle mounted on a crane truck, which nozzle is opened and closed by a valve. The duration of the valve opening per second, which controls the friction modifier application rate, is approximately proportional to the average current draw, which is detected by current sensors connected to the truck motors.
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