Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 294
at plane ofFig. 198 has become the surface of a cylinder, and the cut-off valve is a part of another cylinder. As the spindle of thecut-off valve is turned through an angle as it slides up anddown as usual, the surface of contact with the main-valveports becomes longer and longer, the lap over the… … Fig. 200. that the steam-edge of the port is made with a false seat towhich motion can be imparted through the rod C. As cut-offtakes place with the outer edge of the valve as it approachesits central position from its extreme throw, it will be apparentthat to have the valve-seat moved to meet the…
Mechanical engineering · Steam power plants
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