SERVO-CONTROL SYSTEM FOR HYDRAULIC UNIT FEEDING HYDRAULIC FLUID TO A VIBRATOR
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United States of America Patent
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Issued Date -
Jan 8, 2009
app pub date -
Jul 3, 2008
filing date -
Jul 3, 2007
priority date (Note) -
Abandoned
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Abstract
The servo-control system for hydraulic unit according to the invention comprises a pump driven by a motor feeding hydraulic fluid to a vibrator or vibrating system comprising eccentric weights driven in rotation by at least one hydraulic motor receiving said fluid. It also comprises adaptation means for continuous adaptation of the rotation speed of the motor of the hydraulic unit in relation to the energy actually consumed by the vibrator.
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