Electrohydraulic booster
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 13, 2011
Grant Date -
Sep 9, 2010
app pub date -
May 13, 2010
filing date -
Nov 15, 2007
priority date (Note) -
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Abstract
An electrohydraulic booster comprises an electromechanical transducer and a hydromechanical power stage which is connected to a pressurized medium supply and encompasses a cylinder and a piston that can be moved therein along the working axis. The electromechanical transducer acts on a spool valve which is associated with the hydromechanical power stage, is disposed at least in part inside the piston, is guided within a guiding bore in such a way as to be movable along the working axis, and has two first leading edges that cooperate with corresponding second leading edges located on the guiding bore in order to form a hydraulic sequential control. The guiding bore consists of two parts, i.e. a cylinder-mounted first section and a second section which can be moved along the working axis and comprises the second leading edges.
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