Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 221
and turning pair. If the crank shaft be the driver, the steamcylinder may be replaced by an additional pump. § 141. Worthingtons Direct-aetiag Pump.—A sketch of Worth-ingtons direct-acting pump is shown in-Fig. 222, in which S re-presents the steam cylinder, and P the pump cylinder—the pistonand… … Fw. 222. encountered by the plunger is usually sensibly constant, but thedriving force on the steam-piston is greatest during the first halfof the stroke, and falls off, due to expansive working of the steam,during the latter part of the stroke. To equalize piatters, and tomake the pump work…
Machinery, Kinematics of
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