Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 200
e length and of the same temperature, the effectof expansion would be compensated. 84. The B Valve.—In some forms of engines, particularlypumps, it is desirable that the motion of the valve to admitsteam should be in the same direction as that which the pistonhad before it completed its stroke. In… … Fig. 128. steam into the one hollow of the B by sliding past the end ofthe seat or over the edge of an outer port. The other hollowis by this motion put into communication with the othersteam-port and the exhaust, so that its functions are the sameas those of two D valves, with the exception that…
Mechanical engineering · Steam power plants
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