All About Engines
Forfatter: Edward Cressy
År: 1918
Forlag: Cassell and Company, LTD
Sted: London, New York, Toronto and Melbourne
Sider: 352
UDK: 621 1
With a coloured Frontispiece, and 182 halftone Illustrations and Diagrams.
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The Oil Engine 239
is possible,
few turns
crank the
lever is pulled back
again,the compressed
air is cut off, and the
fuel valve is opened.
The engine then
starts running on fuel
in the ordinary way.
The air and ex-
haust valves are of
the mushroom type,
which have already
After a
of the
starting
FUEL
\LV£.
Mt Valve
Fig. 136.—Section through cylinder cover
Fig. 135.—Section through valve
showing jointed lever
been described in
Exhaust Valve
connection with gas,
oil, and petrol en-
gines. They are
held on their seats
by springs and are
opened by tappets'
or levers operated
from a cam shaft.
In the Mirrleesengine
the exhaust valve
levers are hinged, so
that the removal of
a bolt enables that