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The parts of an overhead-camshaft engine
The parts of an overhead-camshaft engine- paul-ryan.info
The camshaft has pear-shaped lobes which
actuate the valves - usually one inlet and one
exhaust valve for each cylinder.
The piston is fitted with
steel rings which fill the
gap between it and the
The flywheel is a heavy disc attached to the end of
the crankshaft. It helps to transmit the engine
power and to smooth out the individual impulses
of the pistons so that the power flows evenly.
The connecting rod converts the
up-and-down movement of the
pistons into rotary motion through a
The crankshaft transmits power to the
road wheels through the gearbox.
The sump contains the lubricating
oil for the engine's moving parts. A
pipe from the oil pump draws up the
oil through a strainer.
A toothed belt - often
called the timing belt -
drives the camshaft
from a sprocket
mounted on the end of
the crankshaft. The
camshaft rotates at half
Different engine layouts The simplest and most common type of engine comprises four vertical cyl...
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