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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How a Modern Engine Works 7
air, and as there is no condenser the engine is said
to be a non-condensing engine. What this means
we shall learn later.
The cylinder is fitted with a plug or “ piston,’’
rendered steam tight by springy cast-iron rings lying
Fig. 6.—Diagram showing parts of a horizontal engine
in grooves in its curved face. It is attached firmly
to a steel rod which passes through a steam-tight
“ stuffing box ” on the front cover of the cylinder.
This stuffing box contains oiled packing which fits
closely round the rod and can be forced still closer
by screwing in the gland. The gland is usually of
brass and the hole in the cylinder cover is usually
lined with the same metal. On the outer end of the
piston rod is a block or “ cross-head ” which slides
between guides to prevent the rod being bent. A