Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 89
POWER PLANTS. functions, each serving in each capacity twice in a revolution.The profile of these pistons must be circular and trochoidalcurves, that they may roll upon each other and in contact withthe outer casing without permitting leakage. They must alsoprevent leakage at their ends between the… … Fig. 40. outwards by springs acting radially. The shape of the stripsmust be such that when the piston leaves the casing towardsthe middle the strips shall not drop out. For the packingagainsc flat surfaces one design uses radial strips similarlypressed against the flat heads by springs, and the…
Mechanical engineering · Steam power plants
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