International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 455
e the same purpose in pumps that a fly-wheel doesto the steam engine. Unless the pump moves very slowly,it is absolutely necessary to have an air chamber on thedelivery pipe. 1085. Steam Pumps.—Steam pumps are forcepumps operated by steam acting upon the piston of a steamengine, directly connected… … Pig. 211. and R the piston rod, which is secured at its other end tothe plunger P. 7^ is a partition cast with the cylinder,which prevents the water in the left-hand half from com-municating with that in the right-hand half of the cylinder.Suppose the piston to be moving in the direction of…
Railroad engineering
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