Camshaft phaser for a concentric camshaft
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United States of America Patent
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Feb 19, 2013
Grant Date -
Apr 15, 2010
app pub date -
Oct 2, 2009
filing date -
Oct 14, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A camshaft adjuster for a concentric camshaft of an internal combustion engine is provided. The adjuster includes a stator that is connected to the timing gear, and a rotor located within the stator and connected to the outer camshaft. The rotor includes a plurality of vanes that extend into spaces created between inwardly directed projections of the stator that slidingly engage the outer surface of the rotor to define first and second sets of chambers on each side of the vanes. Front and rear sidewalls are connected to the stator and form the front and rear walls of the chambers. An outer cover is connected to the stator via axially extending fasteners and is adapted to be connected to the inner camshaft. Radial loads acting on the timing gear are transmitted from the stator to the rotor and into the outer camshaft.
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