Controller and the use thereof
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United States of America Patent
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Oct 1, 2013
Grant Date -
Jan 13, 2011
app pub date -
Jan 25, 2009
filing date -
Mar 12, 2008
priority date (Note) -
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Abstract
A hydraulic controller having at least one input for a hydraulic fluid for controlling the speed of a hydraulic pump driven by an internal combustion engine is characterized in that the controller has at least two inputs, that at least two pressure chambers each connected to one of the inputs are provided, that each of the same has a piston displaceable under pressure from a rest position against the force of a spring into a switched position and that the piston rod thereof engages at the end of a rod or a pull in the switched position.
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