Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 762
e to the partial vacuum produced withinthe cylinder during the suction stroke of the engine.From point B, the piston returns to its original positioncompressing the mixture in the clearance space, the indi-cator tracing the line B-C, which is known as the compres-sion curve. At this point ignition… … Fig. 312 valve opens, the indicator having traced the line D-E, whichis known as the expansion curve. At E there is a drop inpressure as the gases issue from the exhaust port and fromF to A the gases are swept from the cylinder which causesa line to be drawn by the indicator slightly above the…
