CAMSHAFT ADJUSTER
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
Apr 24, 2013
filing date -
Jul 23, 2012
priority date (Note) -
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Abstract
A camshaft adjustment device for an internal combustion engine, having a stator (1) that can be driven by a crankshaft of the internal combustion engine, having a rotor (3) that can be connected rotationally conjointly to the camshaft, having working chambers which are arranged between the stator (1) and the rotor (3) and which are divided into first and second pressure chambers (A, B) by vanes (18) assigned to the rotor (3), wherein, in the rotor (3) there are provided first pressure medium ducts (5) which issue into the first pressure chambers (A) and second pressure medium ducts (6) which issue into the second pressure chambers (B), wherein the rotor (3) has an inner ring (15) and an outer ring (14) which are connected to one another by means of a disk-shaped web (9), and the first pressure medium ducts (5) are arranged on one side of the web (9) and the second pressure medium ducts (6) are arranged on the other side of the web (9), and the first and second pressure medium ducts (5,6) are formed by pressure medium guiding sleeves.
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