Based on the limited information available, the IAG air oil separator (AOS) works by utilizing all three of its can's inlets to separate oil from air in the engine's crankcase ventilation system, reducing oil contamination.
Here's a breakdown based on the provided transcript:
- Multiple Inlets: The IAG AOS uses all three inlets on the can.
- Connection Points:
- The bottom hose connects directly to the engine block.
- The other two hoses connect to each valve cover (likely referring to valve covers on each cylinder bank in an opposed-cylinder engine like a Subaru).
- Purpose: The system's design aims to minimize oil contamination within the engine.
While the transcript doesn't detail the internal mechanism of separation, the connections suggest the AOS intercepts crankcase gases from multiple points, allows oil to condense and separate, and then returns the oil to the engine block while cleaner air is recirculated. A typical AOS system uses a series of baffles or a filter media to facilitate oil separation from the air stream.
