Cylinder head cover for an internal combustion engine
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United States of America Patent
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Sep 29, 2009
Grant Date -
Jun 26, 2008
app pub date -
Nov 30, 2007
filing date -
Dec 22, 2006
priority date (Note) -
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Abstract
A cylinder head cover for an internal combustion engine includes an oil separator with a vortex chamber extending in a longitudinal direction from a proximal end to a distal end. Said vortex chamber comprises an essentially pipe-shaped wall extending in said longitudinal direction, a gas inlet arranged at said proximal end of said vortex chamber and oriented tangentially to said essentially pipe-shaped wall, for tangentially blowing blow-by gas into said vortex chamber, such that a gas vortex flow helically rotating along said essentially pipe-shaped wall in the longitudinal direction from said proximal end to said distal end of said vortex chamber is created, and a gas outlet opening. The gas outlet opening is arranged in the region of said distal end of said vortex chamber.
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