TYPICAL OIL SYSTEMS Piston Engines Distribution and Lubrication.
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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?
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