PCV system having internal routing

摘要

A positive crankcase ventilation (PCV) system is provided herein. The PCV system includes an engine assembly, the engine assembly including an engine block, a cylinder head, a valve cover, and an intake manifold and a PCV passage providing fluidic communication between a crankcase of the engine assembly and a cylinder intake port of the engine assembly without hoses or conduits external to the engine assembly.

主权项

1. A positive crankcase ventilation (PCV) system, comprising:
a cylinder head including a cylinder head PCV passage that extends from a bottom of the cylinder head to a cylinder head cover engaging surface, the cylinder head also including a flange PCV passage; and a cylinder head cover including a cylinder head cover PCV passage, the cylinder head cover coupled to the cylinder head cover engaging surface, the cylinder head cover PCV passage in fluidic communication with the cylinder head PCV passage and the flange PCV passage; wherein the PCV passages provide fluidic communication between a crankcase of an engine assembly and a cylinder intake port of the engine assembly without hoses or conduits external to the engine assembly, the engine assembly including an engine block, the cylinder head, and the cylinder head cover, and where the flange PCV passage is in communication with an engine cylinder.