Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 273
positive connection by rods tothe shaft. This peculiarity is the feature of most direct-act-ing pumps having no fly-wheel. In the absence of the fly-wheel and with constant resistance a pump of this class whosepiston-rod is connected to its own valve-rod will stop atthe end of its stroke, with its… … Fig. 184. stroke. This small steam-valve admits pressure to an auxil-iary piston in the valve-chest of the main engine, and thispiston, yielding to the pressure, moves in its cylinder, carryingwith it the valve of the main engine into the position to admitsteam to the main cylinder for the reverse…
Mechanical engineering · Steam power plants
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