Automatic drum rotation control concrete transit mixer truck
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United States of America Patent
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May 25, 2010
Grant Date -
Jun 19, 2008
app pub date -
Dec 19, 2006
filing date -
Dec 19, 2006
priority date (Note) -
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Abstract
A concrete transit mixer truck includes a control system that automatically controls rotation of the mixer drum at a constant drum speed when the mixer truck is traveling. When sensed speed of the truck exceeds a threshold, the control system automatically causes a hydraulic system to rotate the drum at a constant speed, regardless of the truck engine speed.
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