Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Reexamination Certificate
2006-12-05
2006-12-05
Dolinar, Andrew M. (Department: 3747)
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
Reexamination Certificate
active
07143754
ABSTRACT:
A device comprising a cylinder head and its cover for mounting onto an engine block of an internal combustion engine are disclosed, wherein a passageway arranged in the cylinder head cover ensures the circulation of gases loaded with oil in a chamber which is lined with alternately opposing walls that define baffles, until completely de-oiling, by settling, the gases which arrive on the bottom wall of the cylinder head cover situated downstream from baffles. The settled oil passes through openings of bottom wall and returns towards an oil core of the cylinder head, while the de-oiled gases are routed downstream from an intake valve by a set of ducts. The device makes it possible to completely integrate the circulation, de-oiling and return of the gases to the intake, inside the cylinder head.
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patent: 2003/0150437 (2003-08-01), Nakamizo et al.
patent: 37 04 567 (1988-08-01), None
patent: 0 454 512 (1991-10-01), None
patent: 1 227 237 (2002-07-01), None
Dolinar Andrew M.
Leydig , Voit & Mayer, Ltd.
Peugeot Citroen Automobiles S.A.
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