A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Mobiles F9


Wheel change
Save Energy


Engine Management

Cylinder Head 1 - Generally
Cylinder Head 2 - Add. Inf.
Cylinder Head 3 - Design
Cylinder Head 4 - Cross Flow
Cylinder Head 5 - Top
Cylinder Head 6 - Underside
Cylinder Head 7 - Hydraulic Tappets
Cylinder Head 8 - Four-Valve
Cylinder Head 9 - Five-Valve
Cylinder Head 10 - Skimming
Cylinder Head 11- Processing
Cylinder Head 12 - Repair
Cylinder Head 13 - Gasket

Exchange of Gases
Comb. Chamber Shape
Adjustable Camshaft 1
Adjustable Camshaft 2
Adjustable Camshaft 3
Cambelt (assembly)
Camshaft Timing Chain
Camshaft Timing Chain
Upright Shaft
Timing Diagram
Valve drive
Natrium Cooled Valve
Valve Spring
Valve Stem Guide
Valve Seat
Valve Seat Angle
Valve Stem Sealing
Valve Overlap
Valve Play Adjustment
Valve Contr. (desmo.)
Hydraulic Lifter
Operating Valves
Var. Valve Timing 1
Var. Valve Timing 2
Var. Valve Lift 1
Var. Valve Lift 2
Variable valve timing (Diesel)
Shiftable valve drive

Cylinder Head 4 - Cross-flow design


A classical cross-flow cylinder head with both channels, corresponding valves and valve guides is displayed above. The intake valve to the right can not only be recognised by the bigger valve disc, but also by the thinner shaft and above all by the accumulated coal. We are most likely dealing with a multi-position injection, responsible for the mixture preparation. The valve injects directly onto the intake valve. If there are no additives in the petrol, working against it, carbonisation will in the future hinder the filling of the cylinder.

The shaft of the valve to the left is clearly thicker. It presumably has a drilling with sodium filling. If the heat development crosses approx. 90°C, it is carried from the plate to the shaft. 06/08