Intake manifold ports and PCV passages integrated into cam cover

摘要

An internal combustion engine having manifold ports and positive crankcase ventilation (PCV) passages integrated into the cam cover is disclosed. The engine system comprises a cam cover having an internal, gas-passing passage, a PCV valve associated with the passage, an oil separator associated with the PCV valve, and an intake manifold having a port, the port being associated with the PCV valve. An oil separator is fitted between the gas-passing passage and the PCV valve. The oil separator is mounted on the cam cover. A manifold chamber is also provided and the PCV oil separator is associated with the manifold chamber.

主权项

1. An engine system comprising:
an elongated cam cover having a long axis, side walls and a top wall, said top wall having a PCV opening formed therein; a PCV intake runner manifold and an elongated PCV intake runner port connected to said runner manifold, said runner manifold and said runner port being integrally formed within said cover, said elongated runner port being formed along said long axis of said cam cover; a PCV valve having a bottom wall, said bottom wall having a cam cover opening formed therein, said PCV valve being attached to said top wall of said cam cover such that said PCV opening and said cam cover opening are in fluid communication; and an intake manifold having plural intake runners, said intake runners being connected to said runner port.