chapter-4-oil properties, viscosity, density

Oil properties

1. TYPICAL OIL SYSTEMS
Piston Engines
Distribution and Lubrication

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

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

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

5. 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

6. 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

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

8. Any Questions?