TYPICAL OIL SYSTEMS TYPICAL OIL SYSTEMS Piston Engines Piston Engines Distribution and Lubrication Distribution and Lubrication
Jan 28, 2016
TYPICAL OIL SYSTEMSTYPICAL OIL SYSTEMS
Piston EnginesPiston Engines
Distribution and LubricationDistribution and Lubrication
SUMP
Engine Block
TYPICAL OIL SYSTEM - PISTON ENGINE
‘WET’ SUMP SYSTEM
FilterPump
Common for most vehicles
SUMP
Engine Block
TYPICAL OIL SYSTEM - PISTON ENGINE
‘DRY’ SUMP SYSTEM
FilterPump
High Performance/Rally vehicles and Aircraft
Tank Scavenge Pump
Let’s take a closer look at what
happens here
TYPICAL OIL SYSTEM – Distribution
Front Bearing Support
Rear Bearing Support
Bearing Support
Bearing Support
Bearing Support
TYPICAL OIL SYSTEM – Bearing Locations/Lubrication
No 1 Piston
1
No 2 Piston
2
No 3 Piston
3
No 4 Piston
4
CRANKSHAFT FROM A 4 CYLINDER ENGINE
Oil Splash
Oil Splash
Oil Splash Oil
Splash
Crankshaft Internal Oil Feed
Plain Bearing
TYPICAL OIL SYSTEM – Bearing Lubrication
Oil Distribution Groove
Lubricating Oil Film
Con Rod Big End
Driving Gear
Driven Gear
‘Kidney’ Ports
Pump Body
Kidney Ports
Yellow = Yellow = Inlet FlowInlet Flow
Red = Outlet Flow
Pump Assembly – (end plate removed)
Rotating Parts
TYPICAL OIL SYSTEM - Internal Gear Type Pump
Any Questions?Any Questions?