1. PISTON ENGINE PROPULSION Chapter 4 Oil Systems 1933 Alvis Engine 2014 Hyundai Engine Distribution and Lubrication

2. TYPICAL OIL SYSTEM - PISTON ENGINE SUMP Engine Block ‘WET’ SUMP SYSTEM FilterPump Common for most vehicles

3. TYPICAL OIL SYSTEM - PISTON ENGINE SUMP Engine Block ‘DRY’ SUMP SYSTEM FilterPump High Performance/Rally vehicles and Aircraft Tank Scavenge Pump

4. TYPICAL OIL SYSTEM – Distribution Let’s take a closer look at what happens here

5. TYPICAL OIL SYSTEM – Bearing Locations/Lubrication Front Bearing Support Rear Bearing Support Bearing Support No 1 Piston 1 No 2 Piston 2 No 3 Piston 3 No 4 Piston 4 CRANKSHAFT FROM A 4 CYLINDER ENGINE

6. TYPICAL OIL SYSTEM – Bearing Lubrication Oil Splash Crankshaft Internal Oil Feed Plain Bearing Oil Distribution Groove Lubricating Oil Film Con Rod Big End

7. TYPICAL OIL SYSTEM - Internal Gear Type Pump Driving Gear Driven Gear ‘Kidney’ Ports Pump Body Kidney Ports Yellow = Inlet Flow Red = Outlet Flow Pump Assembly – (end plate removed) Rotating Parts

8. Any Questions?