Internal crankcase ventilation system with easily accessible PCV valve

Patent · Tue Jul 29 00:00:00 EDT 1986

OSTI ID:5431459

Balsley, R L

A crankcase ventilation system is described having a flow limiting PCV valve and means defining and internal passage between a crankcase and a cylinder charge induction means of an engine, the system comprising an engine valve cover forming a part of the internal passage defining means and having an exterior wall, a cavity in the cover wall and forming a portion of the internal passage, the wall further including valve mounting means surrounding the passage and receiving the valve and a valve body seal in position to control flow through the mounting means and passage and an opening through the wall to the housing exterior and generally opposite the mounting means for removing and replacing a valve on the mounting means, and closure means normally closing the opening and preventing air leakage therethrough into the induction system, the closure means engaging the valve to maintain its installed position within the wall cavity and being openable to permit removal of the PCV valve.

• Assignee: General Motors Corp., Detroit, MI
• Patent Number(s): US 4602607
• OSTI ID: 5431459
• Resource Relation: Patent File Date: Filed date 25 Feb 1985
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
INTERNAL COMBUSTION ENGINES
PCV SYSTEMS
VENTILATION SYSTEMS
AIR FLOW
AIR POLLUTION CONTROL
CLOSURES
CYLINDERS
INDUCTION
INTAKE STRUCTURES
LEAKS
POSITIONING
SEALS
SUPPORTS
VALVES
CONTROL
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
GAS FLOW
HEAT ENGINES
MECHANICAL STRUCTURES
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
330100* - Internal Combustion Engines
330700 - Advanced Propulsion Systems- Emission Control