Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 760
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 fromE to A the gases are swept from the cylinder which causesa line to be drawn by the indicator slightly above the…
